Enabling Bgp; Configuring Basic Features For Bgp Peer - 3Com 8800 Configuration Manual

3Com Switch 8800 Configuration Guide
Configuring application features of a BGP peer (group)
Configuring Route Filtering of a Peer (group)
3) BGP route configuration
Configuring Network Routes for BGP Distribution
Configuring the Interaction Between BGP and IGP
Configuring BGP Route Summarization
Configuring BGP Route Filtering
Configuring BGP Route Dampening
4) BGP protocol configuration
Configuring BGP Preference
Configuring BGP Timer
Configuring the Local Preference
Configuring MED for AS
5) BGP application configuration
Comparing the MED Routing Metrics from the Peers in Different ASs
6) BGP networking configuration
Configuring BGP Route Reflector
Configuring BGP AS Confederation Attribute
7) Others
Clearing BGP Connection
Refreshing BGP Routes

21.2.1 Enabling BGP

To enable BGP, local AS number should be specified. After the enabling of BGP, local
router listens to BGP connection requests sent by adjacent routers. To make the local
router send BGP connection requests to adjacent routers, refer to the configuration of
the peer command. When BGP is disabled, all established BGP connections will be
disconnected.
Perform the following configuration in system view.
Table 21-1 Enable/Disable BGP
Enable BGP and enter the BGP view
Disable BGP
By default, BGP is not enabled.

21.2.2 Configuring Basic Features for BGP Peer

When configuring a MBGP peer (group), you should first configure AS ID for it and then
enter the corresponding address family view to activate the association.
Operation
21-5
Chapter 21 BGP Configuration
Command
bgp as-number
undo bgp [ as-number ]