[chassisd]: Add alternate to the bridge interface created on chassis …

…supervisor. (sonic-net#16505) Add alternate name eth1-midplane to Linux bridge br1 created on supervisor on some chassis platforms. See description here: sonic-net#16504 Signed-off-by: Abhishek Dosi <[email protected]>
skbarista · May 7, 2024 · 3818189 · 3818189
1 parent 31f5573
commit 3818189
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/files/build_templates/docker_image_ctl.j2 b/files/build_templates/docker_image_ctl.j2
@@ -191,6 +191,9 @@ function postStartAction()
                    ip link add name ns-eth1"$NET_NS" type veth peer name eth1@"$NET_NS"
                    ip link set dev eth1@"$NET_NS" master br1
                    ip link set dev eth1@"$NET_NS" up
+                   # For chassis system where Linux bridge is used on supervisor for midplane communication
+                   # assign alternate name as eth1-midplane for generic design
+                   ip link property add dev br1 altname eth1-midplane
            else
                    ip link add name ns-eth1"$NET_NS" link eth1-midplane type macvlan mode bridge
            fi