Switch 7700 Configuration Guide, v2

122 CHAPTER 5: ROUTING PROTOCOL OPERATION
By default, the intervals at which route update messages are sent by an IBGP and
EBGP peer group are 5 seconds and 30 seconds respectively.
Configuring Transmission of the Community Attributes to a Peer Group
Configuring a Peer Group to be a Client of a Route Reflector Generally,
this command is not configured for peer groups because IBGP neighbors are in the
default group. Instead the peer peer-address reflect-client command, which is
used to configure the peer address, can be set as the clients of a route reflector.
For detailed information on route reflector, see “Configuring an BGP Route
Reflector”.
Configuring Transmission of a Default Route to a Peer Group
By default, local router does not send default route to any peer group.The local
router will send a default route with the next hop as itself to the peer
unconditionally, even if there is no default route in BGP routing table.
Configuring Itself as the Next Hop in Advertising Route A BGP router can
specify itself as the next hop while advertising route to a peer group.
By default, local router does not specify itself as the next hop while advertising
route to a peer group.
Tab le 92 Configuring Transmission of the Community Attributes to a Peer Group
Operation Command
Configure to send the community attributes
to a peer group
peer { peer-address | group-name }
advertise-community
Configure not to send the community
attributes to a peer group
undo peer { peer-address | group-name }
advertise-community
Tab le 93 Configure a Peer Group to be a Client of a Route Reflector
Operation Command
Configure a peer group to be a client of a
route reflector
peer { peer-address | group-name } reflect-client
Cancel the configuration of making the peer
group as the client of the BGP route reflector
undo peer { peer-address | group-name }
reflect-client
Tab le 94 Configuring Transmission of a Default Route to a Peer Group
Operation Command
Configure to send default route to a peer
group
peer { peer-address | group-name }
default-route-advertise
Configure not to send default route to a peer
group
undo peer { peer-address | group-name }
default-route-advertise
Tab le 95 Configuring Itself as the Next Hop in Advertising Route
Operation Command
Configure itself as the next hop in advertising
route
peer { peer-address | group-name } next-hop-local
Disable the specification of itself as the next
hop in advertising route
undo peer { peer-address | group-name }
next-hop-local