Dell MX9116n EMC SmartFabric OS10 User Guide - Page 532

6. Add a remote AS in ROUTER-TEMPLATE mode (1 to 65535 for 2 bytes, 1 to 4294967295 for 4 bytes). remote-as as-number Allow external routes from neighbor OS10(config)# router bgp 10 OS10(conf-router-bgp-10)# neighbor 32.1.1.2 OS10(conf-router-neighbor)# local-as 50 OS10(conf-router-neighbor)# exit OS10(conf-router-bgp-10)# template bgppg1 OS10(conf-router-template)# fall-over OS10(conf-router-template)# local-as 400 OS10(conf-router-template)# remote-as 102 Local AS number disabled OS10(config)# router bgp 102 OS10(conf-router-bgp-102)# neighbor 32.1.1.2 OS10(conf-router-neighbor)# no local-as 100 AS number limit Sets the number of times an AS number occurs in an AS path. The allow-as parameter permits a BGP speaker to allow the AS number for a configured number of times in the updates received from the peer. The AS-PATH loop is detected if the local AS number is present more than the number of times in the command. 1. Enter the neighbor IP address to use the AS path in ROUTER-BGP mode. neighbor ip address 2. Enter Address Family mode in ROUTER-NEIGHBOR mode. address-family {{ipv4 | ipv6} unicast | l2vpn evpn} 3. Allow the neighbor IP address to use the AS path the specified number of times in ROUTER-BGP-NEIGHBOR-AF mode (1 to 10). allowas-in number Configure AS number appearance OS10(config)# router bgp 10 OS10(conf-router-bgp-10)# neighbor 1.1.1.2 OS10(conf-router-neighbor)# address-family ipv4 unicast OS10(conf-router-bgp-neighbor-af)# allowas-in 5 View AS numbers in AS paths OS10# show running-configuration bgp ! router bgp 101 no fast-external-fallover ! address-family ipv4 unicast dampening ! neighbor 17.1.1.2 remote-as 102 no shutdown ! address-family ipv4 unicast allowas-in 4 Show IP BGP OS10(config)# router bgp 100 OS10(config-router-bgp-100)# neighbor 172:16:1::2 532 Layer 3