Table 14: Default BGP Configuration
Default SettingFeature
Disabled: None defined.Aggregate address
None defined.AS path access list
Disabled.Auto summary
•
The router considers as-path in choosing a route and does not compare
similar routes from external BGP peers.
•
Compare router ID: Disabled.
Best path
•
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).
BGP community list
•
Identifier: None configured.
•
Peers: None identified.
BGP confederation
identifier/peers
Enabled.BGP Fast external fallover
100. The range is 0 to 4294967295 with the higher value preferred.BGP local preference
None specified; no backdoor route advertised.BGP network
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.
BGP route dampening
The IP address of a loopback interface if one is configured or the highest
IP address configured for a physical interface on the router.
BGP router ID
Disabled.Default information originate
(protocol or network
redistribution)
Built-in, automatic metric translations.Default metric
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
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Configuring IP Unicast Routing
Default BGP Configuration