You can deconfigure a local ASN when you update a VRF.
efa tenant vrf update --name ten1vrf1 --tenant ten1 --operation local-asn-delete WARNING : This operation will result in the reset of the backup routing bgp neighbors of the VRF. Do you want to proceed (Y/n)? efa tenant vrf show +--------+------+-----------+------------+------------+----+-----+-------+------------------+-----------+-----------+ | Name |Tenant| Routing | Centralized|Redistribute|Max |Local| Enable| State | Dev State | App State | | | | Type | Routers | |Path|ASN | GR | | | | +--------+------+-----------+------------+------------+----+-----+-------+------------------+-----------+-----------+ |ten1vrf1| ten1 |distributed| | connected | 8 | |false |vrf-device-created|provisioned|cfg-in-sync| +--------+------+-----------+------------+------------+----+-----+-------+------------------+-----------+-----------+
L1# do show running-config router bgp router bgp local-as 4200000000 capability as4-enable fast-external-fallover neighbor 10.20.20.3 remote-as 4200000000 neighbor 10.20.20.3 next-hop-self address-family ipv4 unicast network 172.31.254.203/32 network 172.31.254.226/32 maximum-paths 8 graceful-restart ! address-family ipv4 unicast vrf ten1vrf1 redistribute connected neighbor 10.40.40.253 remote-as 4200000000 neighbor 10.40.40.253 next-hop-self maximum-paths 8 ! address-family ipv6 unicast vrf ten1vrf1 redistribute connected neighbor fd40:4040:4040:1::ff remote-as 4200000000 neighbor fd40:4040:4040:1::ff next-hop-self neighbor fd40:4040:4040:1::ff activate maximum-paths 8 ! ! |
L2# show running-config router bgp router bgp local-as 4200000000 capability as4-enable fast-external-fallover neighbor 10.20.20.2 remote-as 4200000000 neighbor 10.20.20.2 next-hop-self address-family ipv4 unicast network 172.31.254.226/32 network 172.31.254.243/32 maximum-paths 8 graceful-restart ! address-family ipv4 unicast vrf ten1vrf1 redistribute connected neighbor 10.40.40.252 remote-as 4200000000 neighbor 10.40.40.252 next-hop-self maximum-paths 8 ! address-family ipv6 unicast vrf ten1vrf1 redistribute connected neighbor fd40:4040:4040:1::fe remote-as 4200000000 neighbor fd40:4040:4040:1::fe next-hop-self neighbor fd40:4040:4040:1::fe activate maximum-paths 8 ! |