router bgp clause there are neighbor specific configurations
Shutdown the peer. We can delete the neighbor's configuration by
remote-asas-number but all configuration of the neighbor will be deleted. When you want to preserve the configuration, but want to drop the BGP peer, use this syntax.
Set description of the peer.
Set up the neighbor's BGP version. version can be 4, 4+ or 4-. BGP version 4 is the default value used for BGP peering. BGP version 4+ means that the neighbor supports Multiprotocol Extensions for BGP-4. BGP version 4- is similar but the neighbor speaks the old Internet-Draft revision 00's Multiprotocol Extensions for BGP-4. Some routing software is still using this version.
When you connect to a BGP peer over an IPv6 link-local address, you have to specify the ifname of the interface used for the connection.
This command specifies an announced route's nexthop as being equivalent to the address of the bgp router.
bgpd's default is to not announce the default route (0.0.0.0/0) even it is in routing table. When you want to announce default routes to the peer, use this command.
This command specifies a default weight value for the neighbor's routes.