Files
infix/doc/networking.md
T
2023-09-21 16:53:35 +02:00

1.9 KiB

Linux Networking

Interface LEGO®

Linux Networking Blocks

Type Yang Model Description
bridge infix-if-bridge SW implementation of an IEEE 802.1Q bridge
ip ietf-ip, infix-ip IP address to the subordinate interface
vlan ietf-vlan-encap Capture all traffic belonging to a specific 802.1Q VID
lag1 infix-if-lag Bonds multiple interfaces into one, creating a link aggregate
lo ietf-interfaces Software loopback interface
eth ietf-interfaces Physical Ethernet device/port
veth infix-if-veth Virtual Ethernet pair, typically one end is in a container

Dataplane

The blocks you choose, and how you connect them, defines your dataplane. Here we see an example of how to bridge a virtual port with a physical LAN.

Example of a 4-port switch with a link aggregate and a VETH pair to a container

Depending on the (optional) VLAN filtering of the bridge, the container may have full or limited connectivity with outside ports, as well as the internal CPU.

In fact the virtual port connected to the bridge can be member of several VLANs, with each VLAN being an interface with an IP address inside the container.

Thanks to Linux, and technologies like switchdev that allow you to split a switching fabric into unique (isolated) ports, the full separation and virtualization of all Ethernet layer properties are possible to share with a container. Meaning, all the building blocks used on the left hand side can also be used freely on the right hand side as well.


  1. Please note, link aggregates are not yet supported in Infix. ↩︎