Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.3.0 - Page 450

4 Enable peer listening and enter the maximum dynamic peers count in ROUTER-BGP-TEMPLATE mode (1 to 4294967295). listen neighbor ip-address limit Only after the peer template responds to an OPEN message sent on the subnet does the state of its BGP change to ESTABLISHED. After the peer template is ESTABLISHED, the peer template is the same as any other peer template, see Peer templates. If you do not configure a BGP device in Peer-Listening mode, a session with a dynamic peer comes up. Passwords are not supported on BGPv4/v6 dynamic peers. Configure passive peering OS10(config)# router bgp 10 OS10(conf-router-bgp-10)# template bgppg OS10(conf-router-template)# remote-as 100 OS10(conf-router-template)# listen 32.1.0.0/8 limit 10 Local AS During BGP network migration, you can maintain existing AS numbers. Reconfigure your routers with the new information to disable after the migration. Network migration is not supported on passive peer templates. You must configure Peer templates before assigning it to an AS. 1 Enter a neighbor IP address, A.B.C.D, in ROUTER-BGP mode. neighbor ip-address 2 Enter a local-as number for the peer, and the AS values not prepended to announcements from the neighbors in ROUTER- NEIGHBOR mode (1 to 4294967295). local-as as number [no prepend] 3 Return to ROUTER-BGP mode. exit 4 Enter a template name to assign to the peer-groups in ROUTER-BGP mode. A maximum of 16 characters. template template-name 5 Enter a local-as number for the peer in ROUTER-TEMPLATE mode. local-as as number [no prepend] 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 100 450 Layer 3