localhost.localdomain# show running-config Building configuration... Current configuration: ! frr version 7.3-MyOwnFRRVersion frr defaults traditional hostname localhost.localdomain ! router bgp 81 bgp router-id 10.10.16.81 bgp bestpath as-path multipath-relax neighbor fabric peer-group neighbor fabric remote-as external neighbor 10.10.18.195 peer-group fabric ! address-family ipv4 unicast network 10.81.81.0/24 exit-address-family ! address-family l2vpn evpn neighbor fabric activate advertise-all-vni exit-address-family ! line vty ! end localhost.localdomain# config localhost.localdomain(config)# router bgp 81 localhost.localdomain(config-router)# no network 10.81.81.0/24 localhost.localdomain(config-router)# exit localhost.localdomain(config)# exit localhost.localdomain# show running-config Building configuration... Current configuration: ! frr version 7.3-MyOwnFRRVersion frr defaults traditional hostname localhost.localdomain ! router bgp 81 bgp router-id 10.10.16.81 bgp bestpath as-path multipath-relax neighbor fabric peer-group neighbor fabric remote-as external neighbor 10.10.18.195 peer-group fabric ! address-family l2vpn evpn neighbor fabric activate advertise-all-vni exit-address-family ! line vty ! end localhost.localdomain# write Note: this version of vtysh never writes vtysh.conf Building Configuration... Configuration saved to /etc/frr/zebra.conf Configuration saved to /etc/frr/bgpd.conf Configuration saved to /etc/frr/staticd.conf localhost.localdomain#
来源：https://www.cnblogs.com/dream397/p/12335249.html