Configuring BGP
For detailed descriptions of BGP configuration, see the "Configuring BGP" chapter in the "IP Routing
Protocols" part of the Cisco IOS IP Configuration Guide, Release 12.2. For details about specific
commands, see the Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols, Release
12.2.For a list of BGP commands that are visible but not supported by the switch, see
"Unsupported Commands in Cisco IOS Release 12.2(50)SE."
Default BGP Configuration
Table 35-9
Default BGP Configuration
Feature
Aggregate address
AS path access list
Auto summary
Best path
BGP community list
BGP confederation identifier/peers
BGP Fast external fallover
BGP local preference
BGP network
BGP route dampening
BGP router ID
Default information originate
(protocol or network redistribution)
Default metric
Distance
Distribute list
Internal route redistribution
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
35-44
Default Setting
Disabled: None defined.
None defined.
Enabled.
•
The router considers as-path in choosing a route and does not compare similar
routes from external BGP peers.
Compare router ID: Disabled.
•
•
Number: None defined. When you permit a value for the community number, the
list defaults to an implicit deny for everything else that has not been permitted.
•
Format: Cisco default format (32-bit number).
Identifier: None configured.
•
Peers: None identified.
•
Enabled.
100. The range is 0 to 4294967295 with the higher value preferred.
None specified; no backdoor route advertised.
Disabled by default. When enabled:
Half-life is 15 minutes.
•
Re-use is 750 (10-second increments).
•
Suppress is 2000 (10-second increments).
•
Max-suppress-time is 4 times half-life; 60 minutes.
•
The IP address of a loopback interface if one is configured or the highest IP address
configured for a physical interface on the router.
Disabled.
Built-in, automatic metric translations.
External route administrative distance: 20 (acceptable values are from 1 to 255).
•
Internal route administrative distance: 200 (acceptable values are from 1 to 255).
•
Local route administrative distance: 200 (acceptable values are from 1 to 255).
•
In (filter networks received in updates): Disabled.
•
Out (suppress networks from being advertised in updates): Disabled.
•
Disabled.
Chapter 35
Configuring IP Unicast Routing
Appendix C,
OL-9639-07