When I create vxlan tunnel in VPP, loop1 and add them to bridge-domain, I dont't see mac/ip routes adv to the remote VTEP. But If I do same steps in linux kernal that seems to work fine and mac/ip routes are adv to remote VTEP as expected. Can you please let me know why VPP is not working int this case ? FRR is similar for both the scenerios.
ubuntu 20.04 vpp v22.06-rc0~79-g48bdf24ad FRRouting (version 8.1) On VPP ======= create vxlan tunnel src 172.16.1.1 dst 172.31.100.2 vni 15013 lcp create vxlan_tunnel0 host-if vxlan15013 create loopback interface instance 0 lcp create loop0 host-if loop0 set interface state loop0 up create bridge-domain 15013 learn 1 forward 1 flood 1 arp-term 0 bd-tag bd-15013 set interface l2 bridge loop1 15013 set interface l2 bridge vxlan_tunnel0 15013 vpp# show bridge-domain 15013 detail BD-ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term arp-ufwd Learn-co Learn-li BVI-Intf 15013 1 0 off on on flood on off off 1 16777216 N/A Interface If-idx ISN SHG BVI TxFlood VLAN-Tag-Rewrite tap8 11 1 0 - * none vxlan_tunnel0 10 1 0 - * none loop1 14 1 0 - - none vpp# *show vxlan tunnel* [0] instance 0 src 172.16.100.229 dst 172.31.1.1 src_port 4789 dst_port 4789 vni 15013 fib-idx 0 sw-if-idx 10 encap-dpo-idx 0 l3 0 vpp# show evpn mac vni 15013 vpp# On Linux Kernal ============= sudo ip netns exec dataplane ip link add vxlan15013 type vxlan id 15013 dstport 4789 local 172.16.1.1 nolearning sudo ip netns exec dataplane brctl addbr br15013 sudo ip netns exec dataplane brctl addif br15013 vxlan15026 sudo ip netns exec dataplane brctl stp br15013 off sudo ip netns exec dataplane brctl addif br15013 loop1 sudo ip netns exec dataplane ip link set up dev br15013 sudo ip netns exec dataplane brctl show bridge name bridge id STP enabled interfaces br15013 8000.56d6dcd7f60a no loop1 vxlan15013 show evpn mac vni 15013 Number of MACs (local and remote) known for this VNI: 1 Flags: N=sync-neighs, I=local-inactive, P=peer-active, X=peer-proxy MAC Type Flags Intf/Remote ES/VTEP VLAN Seq #'s 56:d6:dc:d7:f6:0a local br15013 1 0/0
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