Chapter 35
Configuring IP Unicast Routing
Table 35-9
Default BGP Configuration (continued)
Feature
IP prefix list
Multi exit discriminator (MED)
Neighbor
Neighbor
1
NSF
Awareness
Route reflector
Synchronization (BGP and IGP)
Table map update
Timers
1. NSF = Nonstop Forwarding
2. BGP NSF Awareness can be enabled for IPv4 on switches with the metro IP access image by enabling Graceful Restart.
OL-9639-07
Default Setting
None defined.
Always compare: Disabled. Does not compare MEDs for paths from neighbors in
•
different autonomous systems.
Best path compare: Disabled.
•
MED missing as worst path: Disabled.
•
Deterministic MED comparison is disabled.
•
Advertisement interval: 30 seconds for external peers; 5 seconds for internal peers.
•
•
Change logging: Enabled.
•
Conditional advertisement: Disabled.
•
Default originate: No default route is sent to the neighbor.
Description: None.
•
Distribute list: None defined.
•
External BGP multihop: Only directly connected neighbors are allowed.
•
Filter list: None used.
•
Maximum number of prefixes received: No limit.
•
Next hop (router as next hop for BGP neighbor): Disabled.
•
Password: Disabled.
•
•
Peer group: None defined; no members assigned.
•
Prefix list: None specified.
•
Remote AS (add entry to neighbor BGP table): No peers defined.
Private AS number removal: Disabled.
•
Route maps: None applied to a peer.
•
Send community attributes: None sent to neighbors.
•
Shutdown or soft reconfiguration: Not enabled.
•
Timers: keepalive: 60 seconds; holdtime: 180 seconds.
•
Update source: Best local address.
•
Version: BGP Version 4.
•
Weight: Routes learned through BGP peer: 0; routes sourced by the local router:
•
32768.
2
Disabled
. Allows Layer 3 switches to continue forwarding packets from a neighboring
NSF-capable router during hardware or software changes.
None configured.
Enabled.
Disabled.
Keepalive: 60 seconds; holdtime: 180 seconds.
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
Configuring BGP
35-45