3Com 7700 Configuration Manual page 129

Table 88 Configure a Description of a Peer Group
Operation
Delete description of a peer group
By default, no BGP peer group description is set.
Configuring to Permit Connections with EBGP Peer Groups on Indirectly
Connected Networks Generally, EBGP peers must be connected physically.
Otherwise the command below can be used to perform the configuration to make
them communicate with each other normally.
Table 89 Configure to permit connections with EBGP peers groups on indirectly
connected networks
Operation
Configure to permit connections with EBGP
peers (groups) on indirectly connected
networks
Configure to permit connections with EBGP
peers (groups) on directly connected network
only.
By default, only the connections with EBGP peers (groups) on directly connected
networks are permitted. ttl refers to time-to-live in the range of 1 to 255 with the
default value as 64.
Configuring the Peer Group Timer The peer timer command is used to
configure timers of the BGP peer group, including the keep-alive message interval
and the hold timer. The preference of this command is higher than the timer
command that is used to configure timers for the whole BGP peers.
Table 90 Configure a Peer Group Timer
Operation
Configure keep-alive message interval and
hold timer of peer group
Restore the default value of keep-alive
message interval and hold timer of a peer
group
By default, the keep-alive message is sent every 60 seconds and the value of the
hold timer is 180 seconds.
Configuring the Interval at Which Route Update Messages are Sent by a
Peer Group
Table 91 Configure the Interval at Which Route Update Messages are Sent by a Peer
Group
Operation
Configure the route update message interval
of a peer group
Restore the default route update message
interval of a peer group
Command
undo peer { peer-address | group-name } description
Command
peer { peer-address | group-name } ebgp-max-hop [
ttl ]
undo peer { peer-address | group-name }
ebgp-max-hop [ ttl ]
Command
peer { group-name | peer-address } timer keep-alive
keepalive-interval hold holdtime-interval}
undo peer { group-name | peer-address } timer
Command
peer { peer-address | group-name }
route-update-interval seconds
undo peer { peer-address | group-name }
route-update-interval
BGP 121