Symptom

When trying to add "default-information originate" command under any service AF in BGP, we have 2 issues: 1) Command is accepted, despite the fact that it is shown as unrecognized: F241.09.14-C9500-48Y4C-F72#conf t Enter configuration commands, one per line. End with CNTL/Z. F241.09.14-C9500-48Y(config)#router bgp 65001 F241.09.14-C9500-48Y(config-router)#address-family l2vpn evpn F241.09.14-C9500-48Y(config-router-af)#default? default default-information default-metric F241.09.14-C9500-48Y(config-router-af)#default-information ? % Unrecognized command F241.09.14-C9500-48Y(config-router-af)#default-information originate F241.09.14-C9500-48Y(config-router)# 2) Command is added to the config under IPv4 address family, which is not correct: F241.09.14-C9500-48Y4C-F72#show run | sec router bgp router bgp 65001 bgp log-neighbor-changes neighbor IBGP_GROUP peer-group neighbor IBGP_GROUP remote-as 65001 neighbor IBGP_GROUP transport path-mtu-discovery neighbor IBGP_GROUP description ### IBGP peering ### neighbor IBGP_GROUP update-source Loopback0 neighbor 10.1.1.1 peer-group IBGP_GROUP neighbor 10.1.1.1 password cisco ! address-family vpnv4 bgp additional-paths install no bgp recursion host neighbor IBGP_GROUP send-community both neighbor IBGP_GROUP next-hop-self neighbor 10.1.1.1 activate exit-address-family ! address-family l2vpn evpn exit-address-family +++ Change: F241.09.14-C9500-48Y4C-F72#conf t Enter configuration commands, one per line. End with CNTL/Z. F241.09.14-C9500-48Y(config)#router bgp 65001 F241.09.14-C9500-48Y(config-router)#address-family l2vpn evpn F241.09.14-C9500-48Y(config-router-af)#default-information originate F241.09.14-C9500-48Y(config-router)# Afterwards: F241.09.14-C9500-48Y4C-F72#show run | sec router bgp router bgp 65001 bgp log-neighbor-changes neighbor IBGP_GROUP peer-group neighbor IBGP_GROUP remote-as 65001 neighbor IBGP_GROUP transport path-mtu-discovery neighbor IBGP_GROUP description ### IBGP peering ### neighbor IBGP_GROUP update-source Loopback0 neighbor 10.1.1.1 peer-group IBGP_GROUP neighbor 10.1.1.1 password cisco default-information originate ! address-family vpnv4 bgp additional-paths install no bgp recursion host neighbor IBGP_GROUP send-community both neighbor IBGP_GROUP next-hop-self neighbor 10.1.1.1 activate exit-address-family ! address-family l2vpn evpn exit-address-family

Conditions

BGP is running on Catalyst 9000

Workaround

No

Further Problem Description