Chapter 14. Troubleshooting BGP

This chapter covers the following topics:

  • Troubleshooting BGP Neighbor Adjacencies: This section examines issues that may prevent a BGP neighbor relationship from forming and how to recognize and troubleshoot these issues. Although this section focuses primarily on IPv4 unicast BGP, the same issues arise with IPv6 unicast BGP neighbor relationships.

  • Troubleshooting BGP Routes: This section focuses on issues that may prevent BGP routes from being learned or advertised and how to recognize and troubleshoot these issues. Although this section focuses mostly on IPv4 unicast BGP, the same issues arise with IPv6 unicast BGP routes as well.

  • Troubleshooting BGP Path Selection: This section explains how BGP determines ...

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