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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../cli/netcalc/" class="md-nav__link">
|
|
|
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|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Network Calculator
|
|
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|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../cli/tcpdump/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Network Monitoring
|
|
|
|
|
|
|
|
</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../cli/quick/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Quickstart Guide
|
|
|
|
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|
|
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</span>
|
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|
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</a>
|
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</li>
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|
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<li class="md-nav__item">
|
|
<a href="../cli/text-editor/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Text Editor
|
|
|
|
|
|
|
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</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../cli/upgrade/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Upgrading
|
|
|
|
|
|
|
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</span>
|
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|
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</a>
|
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</li>
|
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|
|
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</ul>
|
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</nav>
|
|
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</li>
|
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|
|
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|
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|
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|
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<li class="md-nav__item">
|
|
<a href="../container/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Docker Containers
|
|
|
|
|
|
|
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</span>
|
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|
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</a>
|
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</li>
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|
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|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4">
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Networking
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_4">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
Networking
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix="">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../networking/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Overview
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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<li class="md-nav__item">
|
|
<a href="../iface/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Common Settings
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
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</li>
|
|
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|
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|
|
|
|
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|
|
|
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|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../bridging/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Bridging
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
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</li>
|
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|
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|
|
|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../lag/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Link Aggregation
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../ethernet/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ethernet Interfaces
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../vlan/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
VLAN Interfaces
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
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|
|
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|
|
|
|
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|
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|
|
<li class="md-nav__item">
|
|
<a href="../ip/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
IP Addressing
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
|
|
|
|
|
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|
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|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../routing/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Routing
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../firewall/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Firewall Configuration
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../qos/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Quality of Service
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../eth-counters/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
RMON Counters
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../tunnels/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Tunneling (L2/L3)
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
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|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_13">
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_4_13" id="__nav_4_13_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
VPN Tunnels
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_13_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_4_13">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
VPN Tunnels
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix="">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../vpn/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Overview
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../vpn-wireguard/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
WireGuard
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../wifi/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Wireless LAN (WiFi)
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5">
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Services
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_5">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
Services
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix="">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../discovery/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Device Discovery
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../dhcp/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
DHCP Server
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ntp/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
NTP Server
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ptp/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
PTP (IEEE 1588/802.1AS)
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
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|
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6">
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
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System
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_6">
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<span class="md-nav__icon md-icon"></span>
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System
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</label>
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<ul class="md-nav__list" data-md-scrollfix="">
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<li class="md-nav__item">
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<a href="../boot/" class="md-nav__link">
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<span class="md-ellipsis">
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Boot Procedure
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../system/" class="md-nav__link">
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<span class="md-ellipsis">
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Configuration
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../nacm/" class="md-nav__link">
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<span class="md-ellipsis">
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Access Control (NACM)
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../hardware/" class="md-nav__link">
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<span class="md-ellipsis">
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Hardware Info & Status
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../management/" class="md-nav__link">
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<span class="md-ellipsis">
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Management
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../keystore/" class="md-nav__link">
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<span class="md-ellipsis">
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Keystore
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../syslog/" class="md-nav__link">
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<span class="md-ellipsis">
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Syslog Support
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../support/" class="md-nav__link">
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<span class="md-ellipsis">
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Support Data
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../upgrade/" class="md-nav__link">
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<span class="md-ellipsis">
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Upgrade
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7">
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<label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
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<span class="md-ellipsis">
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Scripting
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</span>
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_7">
|
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<span class="md-nav__icon md-icon"></span>
|
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Scripting
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix="">
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<li class="md-nav__item">
|
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<a href="../scripting/" class="md-nav__link">
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<span class="md-ellipsis">
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Introduction
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../scripting-sysrepocfg/" class="md-nav__link">
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<span class="md-ellipsis">
|
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Legacy Scripting
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../scripting-netconf/" class="md-nav__link">
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|
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<span class="md-ellipsis">
|
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|
|
NETCONF Scripting
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../scripting-restconf/" class="md-nav__link">
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|
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<span class="md-ellipsis">
|
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|
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RESTCONF Scripting
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../scripting-prod/" class="md-nav__link">
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|
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<span class="md-ellipsis">
|
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|
|
|
|
Production Testing
|
|
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</span>
|
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</a>
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</li>
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</ul>
|
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
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|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" checked="">
|
|
|
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|
|
<label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
|
|
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|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Developer's Corner
|
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|
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</span>
|
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|
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|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
|
|
<label class="md-nav__title" for="__nav_8">
|
|
<span class="md-nav__icon md-icon"></span>
|
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|
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|
|
Developer's Corner
|
|
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</label>
|
|
<ul class="md-nav__list" data-md-scrollfix="">
|
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<li class="md-nav__item">
|
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<a href="../branding/" class="md-nav__link">
|
|
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|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Branding & Releases
|
|
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|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../developers-guide/" class="md-nav__link">
|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Developer's Guide
|
|
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|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../override-package/" class="md-nav__link">
|
|
|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Developing with Buildroot
|
|
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|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../netboot/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Netboot HowTo
|
|
|
|
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|
|
</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../testing/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Regression Testing
|
|
|
|
|
|
|
|
</span>
|
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|
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|
|
|
|
</a>
|
|
</li>
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<li class="md-nav__item md-nav__item--active">
|
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|
|
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
|
|
|
|
|
|
|
|
|
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|
|
<label class="md-nav__link md-nav__link--active" for="__toc">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Test System Architecture
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<a href="./" class="md-nav__link md-nav__link--active">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Test System Architecture
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__title" for="__toc">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Table of contents
|
|
</label>
|
|
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix="">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#tenets" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Tenets
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#overview" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Overview
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="Overview">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#test-cases" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Test Cases
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#infamy" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Infamy
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#9pm" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
9PM
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#testenv" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
/test/env
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#physical-and-logical-topologies" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Physical and Logical Topologies
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#integration-to-infix" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Integration to Infix
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="Integration to Infix">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#test-mode" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Test Mode
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#test-mode-on-virtual-devices" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Test Mode on Virtual Devices
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#test-mode-on-physical-devices" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Test Mode on Physical Devices
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
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Virtual Environments
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Test Mode on Physical Devices
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Introduction
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Developer's Corner
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<article class="md-content__inner md-typeset">
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<h1 id="test-system-architecture">Test System Architecture<a class="headerlink" href="#test-system-architecture" title="Permanent link">¶</a></h1>
|
|
<h2 id="tenets">Tenets<a class="headerlink" href="#tenets" title="Permanent link">¶</a></h2>
|
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<ul>
|
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<li>
|
|
<p><strong>Keep overhead to a minimum</strong>. Tests should be fast to both write
|
|
and run. Ideally, the developer should <em>want</em> to add tests early in
|
|
the development cycle because they instinctively feel that that is
|
|
the quickest route to arrive at a correct and robust implementation.</p>
|
|
</li>
|
|
<li>
|
|
<p><strong>Both physical and virtual hardware matters</strong>. Infix is primarily
|
|
deployed on physical hardware, so being able to run the test suite
|
|
on real devices is crucial to guarantee a high quality product. At
|
|
the same time, there is much value in running the same suite on
|
|
virtual hardware, as it makes it easy to catch regressions early.
|
|
It is also much more practical and economical to build large virtual
|
|
networks than physical ones.</p>
|
|
</li>
|
|
<li>
|
|
<p><strong>Avoid CLI scripting & scraping</strong>. Reliably interacting with a DUT
|
|
over a serial line in a robust way is <em>very</em> hard to get right.
|
|
Given that we have a proper API (RESTCONF), we should leverage that
|
|
when testing. Front-ends can be tested by other means.</p>
|
|
</li>
|
|
</ul>
|
|
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">¶</a></h2>
|
|
<p><a class="glightbox" data-type="image" data-width="100%" data-height="auto" href="../img/testing-overview.svg" data-desc-position="bottom"><img alt="Infix Testing Architecture" src="../img/testing-overview.svg"></a></p>
|
|
<p>The test system is made up of several independent components, which
|
|
are typically used in concert to run a full test suite.</p>
|
|
<h3 id="test-cases">Test Cases<a class="headerlink" href="#test-cases" title="Permanent link">¶</a></h3>
|
|
<p>A test case is an executable, receiving the physical topology as a
|
|
positional argument, which produces <a href="https://testanything.org/">TAP</a> compliant output on its
|
|
<code>stdout</code>. I.e., it is executed in the following manner:</p>
|
|
<div class="highlight"><pre><span></span><code>test-case [OPTS] <physical-topology>
|
|
</code></pre></div>
|
|
<p>Test cases are typically written in Python, using the
|
|
<a href="#infamy">Infamy</a> library. Ultimately though, it can be implemented
|
|
in any language, as long as it matches the calling convention above.</p>
|
|
<h3 id="infamy">Infamy<a class="headerlink" href="#infamy" title="Permanent link">¶</a></h3>
|
|
<p>Rather than having each test case come up with its own implementation
|
|
of how to map topologies, how to push NETCONF data to a device, etc.,
|
|
we provide a library of functions to take care of all that, dubbed
|
|
"Infamy". When adding a new test case, ask yourself if any parts of
|
|
it might belong in Infamy as a generalized component that can be
|
|
reused by other tests.</p>
|
|
<p>Some of the core functions provided by Infamy are:</p>
|
|
<ul>
|
|
<li>Mapping a logical topology to a physical one</li>
|
|
<li>Finding and attaching to a device over an Ethernet interface, using
|
|
NETCONF</li>
|
|
<li>Pushing/pulling NETCONF data to/from a device</li>
|
|
<li>Generating TAP compliant output</li>
|
|
</ul>
|
|
<h3 id="9pm">9PM<a class="headerlink" href="#9pm" title="Permanent link">¶</a></h3>
|
|
<p>To run multiple tests, we employ <a href="https://github.com/rical/9pm">9PM</a>. It let's us define test
|
|
suites as simple YAML files. Suites can also be hierarchically
|
|
structured, with a suite being made up of other suites, etc.</p>
|
|
<p>It also validates the TAP output, making sure to catch early exits
|
|
from a case, and produces a nice summary report.</p>
|
|
<h3 id="testenv"><code>/test/env</code><a class="headerlink" href="#testenv" title="Permanent link">¶</a></h3>
|
|
<p>A good way to ensure that nobody ever runs the test suite is to make
|
|
it <em>really</em> hard to do so. <code>/test/env</code>'s job is instead to make it
|
|
very <em>easy</em> to create a reproducible environment in which tests can be
|
|
executed.</p>
|
|
<p>Several technologies are leveraged to accomplish this:</p>
|
|
<ul>
|
|
<li>
|
|
<p><strong>Containers</strong>: The entire execution is optionally done inside a
|
|
standardized <code>docker</code> container environment. This ensures that the
|
|
software needed to run the test suite is always available, no matter
|
|
which distribution the user is running on their machine.</p>
|
|
</li>
|
|
<li>
|
|
<p><strong>Python Virtual Environments</strong>: To make sure that the expected
|
|
versions of all Python packages are available, the execution is
|
|
wrapped inside a <code>venv</code>. This is true for containerized executions,
|
|
where the container comes with a pre-installed environment, but it
|
|
can also be sourced from the host system when running outside of the
|
|
container.</p>
|
|
</li>
|
|
<li>
|
|
<p><strong>Virtual Test Topology</strong>: Using <a href="https://github.com/wkz/qeneth">Qeneth</a>, the environment can
|
|
optionally be started with a virtual topology of DUTs to run the
|
|
tests on.</p>
|
|
</li>
|
|
</ul>
|
|
<blockquote>
|
|
<p><code>docker</code> is the only supported container environment when running
|
|
tests in the host's network namespace. When running on a virtual
|
|
Qeneth topology, <code>podman</code> may also be used by installing the
|
|
<code>podman-docker</code> package from your host system's distro.</p>
|
|
</blockquote>
|
|
<h2 id="physical-and-logical-topologies">Physical and Logical Topologies<a class="headerlink" href="#physical-and-logical-topologies" title="Permanent link">¶</a></h2>
|
|
<p>Imagine that we want to create a test with three DUTs; one acting as a
|
|
DHCP server, and the other two as DHCP clients - with all three having
|
|
a management connection to the host PC running the test. In other
|
|
words, the test requires a <em>logical</em> topology like the one below.</p>
|
|
<p><a class="glightbox" data-type="image" data-width="100%" data-height="auto" href="../img/testing-log.svg" data-desc-position="bottom"><img align="right" alt="Example Logical Topology" src="../img/testing-log.svg" width="360"></a></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="k">graph</span><span class="w"> </span><span class="nt">"dhcp-client-server"</span><span class="w"> </span><span class="p">{</span>
|
|
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="w"> </span><span class="nt">host</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"host | { <c1> c1 | <srv> srv | <c2> c2 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"controller"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>
|
|
<a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="nt">server</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <mgmt> mgmt } | server | { <c1> c1 | <c2> c2 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="w"> </span><span class="nt">client1</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <mgmt> mgmt } | client1 | { <srv> srv }"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a><span class="w"> </span><span class="nt">client2</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <mgmt> mgmt } | client2 | { <srv> srv }"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a>
|
|
<a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">srv</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">server</span><span class="p">:</span><span class="nt">mgmt</span>
|
|
<a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">c1</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">client1</span><span class="p">:</span><span class="nt">mgmt</span>
|
|
<a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">c2</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">client2</span><span class="p">:</span><span class="nt">mgmt</span>
|
|
<a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a>
|
|
<a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a><span class="w"> </span><span class="nt">server</span><span class="p">:</span><span class="nt">c1</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">client1</span><span class="p">:</span><span class="nt">srv</span><span class="p">;</span>
|
|
<a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a><span class="w"> </span><span class="nt">server</span><span class="p">:</span><span class="nt">c2</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">client2</span><span class="p">:</span><span class="nt">srv</span><span class="p">;</span>
|
|
<a id="__codelineno-0-26" name="__codelineno-0-26" href="#__codelineno-0-26"></a><span class="p">}</span>
|
|
</code></pre></div>
|
|
<p>When running in a virtualized environment, one could simply create a
|
|
setup that matches the test's logical topology. But in scenarios when
|
|
devices are physical systems, connected by real copper cables, this is
|
|
not possible (unless you have some wicked L1 relay matrix thingy).</p>
|
|
<p>Instead, the test implementation does not concern itself with the
|
|
exact nodes used to run the test, only that the <em>logical</em> topology can
|
|
be <em>mapped</em> to some subset of the <em>physical</em> topology. In
|
|
mathematical terms, the physical topology must contain a subgraph that
|
|
is <em>isomorphic</em> to the logical topology.</p>
|
|
<p>Standing on the shoulders of giants (i.e. people with mathematics
|
|
degrees), we can deploy well-known algorithms to find such subgraphs.
|
|
Continuing our example, let's say we want to run our DHCP test on the
|
|
<em>physical</em> topology below.</p>
|
|
<p><a class="glightbox" data-type="image" data-width="100%" data-height="auto" href="../img/testing-phy.svg" data-desc-position="bottom"><img align="right" alt="Example Physical Topology" src="../img/testing-phy.svg" width="360"></a></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="k">graph</span><span class="w"> </span><span class="nt">"quad-ring"</span><span class="w"> </span><span class="p">{</span>
|
|
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="w"> </span><span class="nt">host</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"host | { <d1a> d1a | <d1b> d1b | <d1c> d1c | <d2a> d2a | <d2b> d2b | <d2c> d2c | <d3a> d3a | <d3b> d3b | <d3c> d3c | <d4a> d4a | <d4b> d4b | <d4c> d4c }"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"controller"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a>
|
|
<a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="w"> </span><span class="nt">dut1</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <e1> e1 | <e2> e2 | <e3> e3 } | dut1 | { <e4> e4 | <e5> e5 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a><span class="w"> </span><span class="nt">dut2</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <e1> e1 | <e2> e2 | <e3> e3 } | dut2 | { <e4> e4 | <e5> e5 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a><span class="w"> </span><span class="nt">dut3</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <e1> e1 | <e2> e2 | <e3> e3 } | dut3 | { <e4> e4 | <e5> e5 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-1-19" name="__codelineno-1-19" href="#__codelineno-1-19"></a><span class="w"> </span><span class="nt">dut4</span><span class="w"> </span><span class="p">[</span>
|
|
<a id="__codelineno-1-20" name="__codelineno-1-20" href="#__codelineno-1-20"></a><span class="w"> </span><span class="na">label</span><span class="p">=</span><span class="s2">"{ <e1> e1 | <e2> e2 | <e3> e3 } | dut4 | { <e4> e4 | <e5> e5 }"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-21" name="__codelineno-1-21" href="#__codelineno-1-21"></a><span class="w"> </span><span class="na">kind</span><span class="p">=</span><span class="s2">"infix"</span><span class="p">,</span>
|
|
<a id="__codelineno-1-22" name="__codelineno-1-22" href="#__codelineno-1-22"></a><span class="w"> </span><span class="p">];</span>
|
|
<a id="__codelineno-1-23" name="__codelineno-1-23" href="#__codelineno-1-23"></a>
|
|
<a id="__codelineno-1-24" name="__codelineno-1-24" href="#__codelineno-1-24"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d1a</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut1</span><span class="p">:</span><span class="nt">e1</span>
|
|
<a id="__codelineno-1-25" name="__codelineno-1-25" href="#__codelineno-1-25"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d1b</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut1</span><span class="p">:</span><span class="nt">e2</span>
|
|
<a id="__codelineno-1-26" name="__codelineno-1-26" href="#__codelineno-1-26"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d1c</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut1</span><span class="p">:</span><span class="nt">e3</span>
|
|
<a id="__codelineno-1-27" name="__codelineno-1-27" href="#__codelineno-1-27"></a>
|
|
<a id="__codelineno-1-28" name="__codelineno-1-28" href="#__codelineno-1-28"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d2a</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut2</span><span class="p">:</span><span class="nt">e1</span>
|
|
<a id="__codelineno-1-29" name="__codelineno-1-29" href="#__codelineno-1-29"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d2b</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut2</span><span class="p">:</span><span class="nt">e2</span>
|
|
<a id="__codelineno-1-30" name="__codelineno-1-30" href="#__codelineno-1-30"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d2c</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut2</span><span class="p">:</span><span class="nt">e3</span>
|
|
<a id="__codelineno-1-31" name="__codelineno-1-31" href="#__codelineno-1-31"></a>
|
|
<a id="__codelineno-1-32" name="__codelineno-1-32" href="#__codelineno-1-32"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d3a</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut3</span><span class="p">:</span><span class="nt">e1</span>
|
|
<a id="__codelineno-1-33" name="__codelineno-1-33" href="#__codelineno-1-33"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d3b</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut3</span><span class="p">:</span><span class="nt">e2</span>
|
|
<a id="__codelineno-1-34" name="__codelineno-1-34" href="#__codelineno-1-34"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d3c</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut3</span><span class="p">:</span><span class="nt">e3</span>
|
|
<a id="__codelineno-1-35" name="__codelineno-1-35" href="#__codelineno-1-35"></a>
|
|
<a id="__codelineno-1-36" name="__codelineno-1-36" href="#__codelineno-1-36"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d4a</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut4</span><span class="p">:</span><span class="nt">e1</span>
|
|
<a id="__codelineno-1-37" name="__codelineno-1-37" href="#__codelineno-1-37"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d4b</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut4</span><span class="p">:</span><span class="nt">e2</span>
|
|
<a id="__codelineno-1-38" name="__codelineno-1-38" href="#__codelineno-1-38"></a><span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="nt">d4c</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut4</span><span class="p">:</span><span class="nt">e3</span>
|
|
<a id="__codelineno-1-39" name="__codelineno-1-39" href="#__codelineno-1-39"></a>
|
|
<a id="__codelineno-1-40" name="__codelineno-1-40" href="#__codelineno-1-40"></a><span class="w"> </span><span class="nt">dut1</span><span class="p">:</span><span class="nt">e5</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut2</span><span class="p">:</span><span class="nt">e4</span>
|
|
<a id="__codelineno-1-41" name="__codelineno-1-41" href="#__codelineno-1-41"></a><span class="w"> </span><span class="nt">dut2</span><span class="p">:</span><span class="nt">e5</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut3</span><span class="p">:</span><span class="nt">e4</span>
|
|
<a id="__codelineno-1-42" name="__codelineno-1-42" href="#__codelineno-1-42"></a><span class="w"> </span><span class="nt">dut3</span><span class="p">:</span><span class="nt">e5</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut4</span><span class="p">:</span><span class="nt">e4</span>
|
|
<a id="__codelineno-1-43" name="__codelineno-1-43" href="#__codelineno-1-43"></a><span class="w"> </span><span class="nt">dut4</span><span class="p">:</span><span class="nt">e5</span><span class="w"> </span><span class="o">--</span><span class="w"> </span><span class="nt">dut1</span><span class="p">:</span><span class="nt">e4</span>
|
|
<a id="__codelineno-1-44" name="__codelineno-1-44" href="#__codelineno-1-44"></a><span class="p">}</span>
|
|
</code></pre></div>
|
|
<p>Our test (in fact, all tests) receives the physical topology as an
|
|
input parameter, and then maps the desired logical topology onto it,
|
|
producing a mapping from logical nodes and ports to their physical
|
|
counterparts.</p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="p">{</span>
|
|
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="w"> </span><span class="nt">"client1"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut1"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="w"> </span><span class="nt">"client1:mgmt"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut1:e1"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span><span class="nt">"client1:srv"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut1:e4"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="w"> </span><span class="nt">"client2"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut3"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="w"> </span><span class="nt">"client2:mgmt"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut3:e2"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="w"> </span><span class="nt">"client2:srv"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut3:e5"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a><span class="w"> </span><span class="nt">"host"</span><span class="p">:</span><span class="w"> </span><span class="nt">"host"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a><span class="w"> </span><span class="nt">"host:c1"</span><span class="p">:</span><span class="w"> </span><span class="nt">"host:d1a"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="w"> </span><span class="nt">"host:c2"</span><span class="p">:</span><span class="w"> </span><span class="nt">"host:d3b"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a><span class="w"> </span><span class="nt">"host:srv"</span><span class="p">:</span><span class="w"> </span><span class="nt">"host:d4c"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="w"> </span><span class="nt">"server"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut4"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="w"> </span><span class="nt">"server:c1"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut4:e5"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a><span class="w"> </span><span class="nt">"server:c2"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut4:e4"</span><span class="p">,</span>
|
|
<a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a><span class="w"> </span><span class="nt">"server:mgmt"</span><span class="p">:</span><span class="w"> </span><span class="nt">"dut4:e3"</span>
|
|
<a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a><span class="p">}</span>
|
|
</code></pre></div>
|
|
<p>With this information, the test knows that, in this particular
|
|
environment, the server should be managed via the port called <code>d4c</code> on
|
|
the node called <code>host</code>; that the port connected to the server on
|
|
<code>client1</code> is <code>e4</code> on <code>dut1</code>, etc. Thereby separating the
|
|
implementation of the test from any specific physical setup.</p>
|
|
<p>Testcases are not required to use a logical topology; they may choose
|
|
to accept whatever physical topology its given, and dynamically
|
|
determine the DUTs to use for testing. As an example, an STP test
|
|
could accept an arbitrary physical topology, run the STP algorithm on
|
|
it offline, enable STP on all DUTs, and then verify that the resulting
|
|
spanning tree matches the expected one.</p>
|
|
<h2 id="integration-to-infix">Integration to Infix<a class="headerlink" href="#integration-to-infix" title="Permanent link">¶</a></h2>
|
|
<h3 id="test-mode">Test Mode<a class="headerlink" href="#test-mode" title="Permanent link">¶</a></h3>
|
|
<p>Infix supports a <em>test mode</em> that makes devices safe and predictable to
|
|
test against. When active, each boot starts from a known-good
|
|
<code>test-config</code> (equivalent to the failure/secure config) instead of the
|
|
stored startup or factory configuration. This prevents any persistent
|
|
configuration from interfering with tests and avoids L2 loops that a
|
|
factory config might create. It also enables two extra RPCs used by
|
|
Infamy:</p>
|
|
<ul>
|
|
<li><code>infix-test:test/reset</code> — reload the <code>test-config</code> into the running
|
|
datastore (called by <code>env.attach()</code> at the start of each test)</li>
|
|
<li><code>infix-test:test/override-startup</code> — boot from the startup datastore
|
|
once, instead of the <code>test-config</code> (used by tests that verify
|
|
save-and-reboot behaviour)</li>
|
|
</ul>
|
|
<p>Test mode is activated by the presence of an empty file named
|
|
<code>test-mode</code> on the device's <code>aux</code> partition (<code>/mnt/aux/test-mode</code>).</p>
|
|
<h3 id="test-mode-on-virtual-devices">Test Mode on Virtual Devices<a class="headerlink" href="#test-mode-on-virtual-devices" title="Permanent link">¶</a></h3>
|
|
<p>When the test environment is started with Qeneth, the <code>inject-test-mode</code>
|
|
script (<code>test/inject-test-mode</code>) is run automatically. It copies the
|
|
base disk image and writes the <code>test-mode</code> marker into the <code>aux</code>
|
|
partition of that copy, which is then used as the Qeneth backing image.</p>
|
|
<h3 id="test-mode-on-physical-devices">Test Mode on Physical Devices<a class="headerlink" href="#test-mode-on-physical-devices" title="Permanent link">¶</a></h3>
|
|
<p>For a physical device, log in as <code>root</code> (or <code>admin</code>) and create the
|
|
marker file on the <code>aux</code> partition, then reboot:</p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a># touch /mnt/aux/test-mode
|
|
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a># reboot
|
|
</code></pre></div>
|
|
<p>Alternatively, if you want to prepare the disk image before flashing,
|
|
use the <code>inject-test-mode</code> script:</p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>$ test/inject-test-mode -b infix-<board>.img -o infix-<board>-test.img
|
|
</code></pre></div>
|
|
<p>Flash <code>infix-<board>-test.img</code> to the device instead of the plain
|
|
image. The device will boot into test mode on first power-on.</p>
|
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<div class="admonition note">
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<p class="admonition-title">Note</p>
|
|
<p>Test mode persists across reboots until the marker file is removed
|
|
(<code>rm /mnt/aux/test-mode</code>). A device in test mode always starts from
|
|
the <code>test-config</code>, so any configuration changes are lost on reboot
|
|
unless <code>startup_override()</code> is called first (or the marker is removed
|
|
and a normal startup config is saved).</p>
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