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64 lines
2.3 KiB
Python
Executable File
64 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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ARP and Neighbor Cache
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Verify that static ARP entries (IPv4) and neighbor cache entries (IPv6)
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can be configured on an interface and are immediately visible in the
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operational datastore with origin "static". Also verify that removing
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the entries causes them to disappear from the operational datastore.
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"""
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import infamy
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import infamy.iface as iface
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from infamy.util import until
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IPV4_NEIGH = "192.0.2.1"
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IPV4_LLADR = "de:ad:be:ef:ca:fe"
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IPV6_NEIGH = "2001:db8::1"
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IPV6_LLADR = "de:ad:be:ef:ca:ff"
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with infamy.Test() as test:
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with test.step("Set up topology and attach to target DUT"):
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env = infamy.Env()
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target = env.attach("target", "mgmt")
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_, tport = env.ltop.xlate("target", "data")
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with test.step("Configure static IPv4 ARP and IPv6 neighbor entries on target:data"):
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target.put_config_dicts({"ietf-interfaces": {
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"interfaces": {
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"interface": [{
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"name": tport,
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"ipv4": {
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"neighbor": [{
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"ip": IPV4_NEIGH,
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"link-layer-address": IPV4_LLADR,
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}]
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},
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"ipv6": {
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"neighbor": [{
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"ip": IPV6_NEIGH,
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"link-layer-address": IPV6_LLADR,
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}]
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}
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}]
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}
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}})
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with test.step("Verify static IPv4 ARP entry is visible in operational state"):
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until(lambda: iface.neighbor_exist(target, tport, IPV4_NEIGH, IPV4_LLADR, "static"))
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with test.step("Verify static IPv6 neighbor entry is visible in operational state"):
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until(lambda: iface.neighbor_exist(target, tport, IPV6_NEIGH, IPV6_LLADR, "static"))
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with test.step("Remove static neighbor entries by clearing IPv4 and IPv6 config"):
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target.delete_xpath(
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f"/ietf-interfaces:interfaces/interface[name='{tport}']/ietf-ip:ipv4")
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target.delete_xpath(
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f"/ietf-interfaces:interfaces/interface[name='{tport}']/ietf-ip:ipv6")
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with test.step("Verify static neighbor entries are no longer present"):
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until(lambda: not iface.neighbor_exist(target, tport, IPV4_NEIGH))
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until(lambda: not iface.neighbor_exist(target, tport, IPV6_NEIGH))
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test.succeed()
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