3. Enter the address-family command and specify the ipv6 and unicast keywords to enter IPv6 address family conguration
mode.
device(config-bgp-router)# address-family ipv6 unicast
4. Do one of the following:
• Enter the maximum-paths command and specify a value to set the maximum number of BGP4+ shared paths.
• Enter the maximum-paths command using the use-load-sharing keyword to set the maximum number of BGP4+ shared
paths to that of the value already
congured by means of the ip load-sharing command.
device(config-bgp-ipv6u)# maximum-paths 8
or
device(config-bgp-ipv6u)# maximum-paths use-load-sharing
The following example sets the maximum number of BGP4+ shared paths to 8.
device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv6 unicast
device(config-bgp-ipv6u)# maximum-paths 8
The following example sets the maximum number of BGP4+ shared paths to that of the value already
congured using the ip load-
sharing command.
device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv6 unicast
device(config-bgp-ipv6u)# maximum-paths use-load-sharing
Conguring a route map for BGP4+ prexes
Route maps can be applied to IPv6 unicast address prexes either as the inbound or outbound routing policy for neighbors under the
specied address family.
1. Enter the congure terminal command to access global conguration mode.
device# configure terminal
2. Enter the ipv6 prex-list command and enter a name to congure an IPv6 prex list.
device(config)# ipv6 prefix-list myprefixlist seq 10 permit 2001:db8::/32
The prex list name, sequence number, and permits packets are specied.
3. Enter the route-map name permit command to dene the route map and enter route map conguration mode.
device(config)# route-map myroutemap permit 10
4. Enter the match ipv6 address command and specify the name of a
prex list.
device(config-route-map-myroutemap)# match ipv6 address prefix-list myprefixlist
5. Enter the exit command to return to global conguration mode.
device(config-route-map-myroutemap)# exit
Conguring BGP4+
FastIron Ethernet Switch Layer 3 Routing
492 53-1003627-04
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