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Cisco® BGP-4 Command and Configuration Handbook (CCIE Professional Development) by William R. Parkhurst Ph.D.

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8-2. neighbor {ip-address | peer-group-name} advertisement-interval seconds

Syntax Description:

  • ip-address— Neighbor's IP address.

  • peer-group-name— Name of the peer group. See section 8-19.

  • seconds— 0 to 600.

Defaults: IBGP 5 seconds. EBGP 30 seconds.

Purpose: To set the minimum interval between the sending of Border Gateway Protocol (BGP) routing updates. To restore the default setting, use the no form of this command. When a route that is being advertised by BGP changes, BGP sends either an UPDATE or WITHDRAWN message. If an advertised route is flapping, usually caused when an interface is unstable, a flood of UPDATE and WITHDRAWN messages occurs. One method to control the flooding of BGP messages is to set a minimum advertisement interval. With ...

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