3-15. bgp fast-external-fallover
Syntax Description:
This command has no arguments.
Purpose: Fast external fallover is enabled by default. When an interface that is used for a BGP connection goes down, the BGP session is immediately terminated. If the interface is flapping, instability can be caused, because the neighbors will constantly be transitioning between the idle and established states. There will also be a flood of BGP UPDATE and WITHDRAWN messages. If you have a flapping interface, use the no form of this command.
Cisco IOS Software Release: 11.0
Configuration Example: Demonstration of Fast External Fallover
This configuration example demonstrates using the bgp fast-external-fallover command. In Figure 3-11, the Ethernet interface on ...
Get Cisco® BGP-4 Command and Configuration Handbook (CCIE Professional Development) now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
