OS10 Enterprise Edition User Guide Release 10.4.0E(R3)


Aggregate routes

OS10 provides multiple ways to aggregate routes in the BGP routing table. At least one route of the aggregate must be in the routing table for the configured aggregate route to become active. AS_SET includes AS_PATH and community information from the routes included in the aggregated route.

  1. Assign an AS number in CONFIGURATION mode.
    router bgp 
  2. Enter Address Family mode in ROUTER-BGP mode.
    address-family {[ipv4 | ipv6] [unicast]}
  3. to aggregate in ROUTER-BGPv4-AF mode.
                                           ip-address mask 

Configure aggregate routes

OS10(config)# router bgp 105
                                 OS10(conf-router-bgp-105)# address-family ipv4 unicast 
                                 OS10(conf-router-bgpv4-af)# aggregate-address

View running configuration

OS10(conf-router-bgpv4-af)# do show running-configuration bgp
                                 ! Version 
                                 ! Last configuration change at Jul  27 06:51:17 2016
                                 router bgp 105
                                 address-family ipv4 unicast
                                 remote-as 104
                                 no shutdown
                                 address-family ipv4 unicast

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