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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Common Causes

Common Causes

This fault is commonly caused by one of the following causes:

  • BGP packets fail to be forwarded.

  • An ACL is configured to filter the packets whose destination port is TCP port 179.

  • The peer router ID conflicts with the local router ID.

  • The peer AS number is incorrect.

  • Loopback interfaces are used to establish the BGP peer relationship, but the peer connect-interface command is not configured.

  • Loopback interfaces are used to establish the EBGP peer relationship, but the peer ebgp-max-hop command is not configured.

  • The configurations of the peer valid-ttl-hops command are incorrect.

  • The peer ignore command is configured on the peer.

  • Address families of devices on both ends do not match.

Updated: 2020-01-07

Document ID: EDOC1000060766

Views: 616560

Downloads: 2965

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