Install Guide

Following is an example to enable BGP configuration in the router B.
RouterB# configure terminal
RouterB(conf)# router bgp 45000
RouterB(conf-router_bgp)# bgp router-id 172.17.1.99
RouterB(conf-router_bgp)# timers bgp 70 120
RouterB(conf-router_bgp)# neighbor 192.168.1.2 remote-as 40000
RouterB(conf-router_bgp)# exit
RouterB(conf)#
The show ip bgp summary displays BGP configuration. Following is the sample output for show ip bgp summary
command for router A.
RouterA#show ip bgp summary
BGP router identifier 10.1.1.99, local 40000
BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0
1 neighbor(s) using 40960 bytes of memory
Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/Pfx
192.168.1.1 45000 10 20 0 0 0 00:06:11 0
Following is the sample output for show ip bgp summary command for Router B.
RouterB#show ip bgp summary
BGP router identifier 172.17.1.99, local 45000
BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0
1 neighbor(s) using 40960 bytes of memory
Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/Pfx
192.168.1.2 40000 10 20 0 0 0 00:06:11 0
BGP peer group
To configure multiple BGP neighbors at one time, create and populate a BGP peer group.
If you want to configure multiple BGP neighbors with similar policies (route maps, distribute lists, and so on), you can group the
respective neighbors under a peer group. A peer group contains a set of BGP neighbors which share common configurations.
You can group neighbors that share configurations in a BGP peer group to simplify neighbor configuration. An advantage of peer
groups is that members of a peer group inherit the configuration properties of the group and share same update policy.
Dell EMC Networking OS allows a maximum of 256 peer groups.
Tasks involved in configuring a BGP peer group:
● Create a peer group by assigning it a name
● Adding members (neighbors) to the peer group
Configuration rules in a peer group:
●
You must create a peer group first before adding the neighbors in the peer group.
● If you remove any configuration parameters from a peer group, it will apply to all the neighbors configured under that peer
group.
● If you have not configured a parameter for an individual neighbor in the peer group, the neighbor uses the value configured in
the peer group.
● If you reset any parameter for an individual neighbor, it will override the value set in the peer group.
● If you add a configuration parameters to a peer group that already has neighbors, the parameter value is applied to all the
neighbors which does not have the value set. If a neighbor has a value explicitly set, the value overrides the value set for the
peer group.
● You cannot remove the remote AS configuration from the peer group, if the peer group has neighbors.
● If you remove any parameter value in a peer group, the value of the parameter is set to the default for all the neighbors in
the peer group, unless there is an explicit parameter set for an individual neighbor.
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Border Gateway Protocol (BGP)