Connectivity Guide

activate (l2vpn evpn)
Enables the exchange of L2 VPN EVPN address family information with a BGP neighbor or peer group.
Syntax
activate
Parameters None
Default Not congured
Command Mode ROUTER-BGP-NEIGHBOR-AF
Usage Information Use this command to exchange L2 VPN EVPN address information for VXLAN host-based routing with a BGP
neighbor. The IPv4 unicast address family is enabled by default. Use the no version of this command to disable an
address family with a neighbor.
Example
OS10(conf-router-neighbor)# address-family l2vpn evpn unicast
OS10(conf-router-bgp-neighbor-af)# activate
Supported Releases 10.2.0E or later
address-family l2vpn evpn
Congures the L2 VPN EVPN address family for VXLAN host-based routing to a BGP neighbor.
Syntax
address-family l2vpn evpn
Parameters None
Default Not congured
Command mode ROUTER-NEIGHBOR
Usage information To use BGP EVPN service in a VXLAN, you must congure and enable the L2VPN EVPN address family on a VTEP
to support host-based routing to each BGP neighbor.
Example
OS10(config)# router bgp 100
OS10(config-router-bgp-100)# neighbor 45.0.0.1
OS10(config-router-neighbor)# address-family l2vpn evpn
Supported releases 10.4.2.0 or later
allowas-in
Congures the number of times the local AS number can appear in the BGP AS_PATH path attribute before the switch rejects the route.
Syntax
allowas-in as-number
Parameters as-number—Enter the number of occurrences for a local AS number, from 1 to 10.
Default Disabled
Command Mode ROUTER-BPG-NEIGHBOR-AF
Usage Information Use this command to enable the BGP speaker to accept a route with the local AS number in updates received from
a peer for the specied number of times. The no version of this command resets the value to the default.
732 VXLAN