JUNOS Cookbook > BGP > Diagnosing TCP Session Problems

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JUNOS Cookbook

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Foreword

Preface

Ch. 1. Router Configuration and File Management

Ch. 2. Basic Router Security and Access Control

Ch. 7. Router Interfaces

Ch. 8. IP Routing

Ch. 9. Routing Policy and Firewall Filters

Recipe 13.1. Configuring a BGP Session Between Routers in Two ASs

Recipe 13.2. Configuring BGP on Routers Within an AS

Recipe 13.3. Diagnosing TCP Session Problems

Recipe 13.4. Adjusting the Next-Hop Attribute

Recipe 13.5. Adjusting Local Preference Values

Recipe 13.6. Removing Private AS Numbers from the AS Path

Recipe 13.7. Prepending AS Numbers to the AS Path

Recipe 13.8. Filtering BGP Routes Based on AS Paths

Recipe 13.9. Restricting the Number of Routes Advertised to a BGP Peer

Recipe 13.10. Authenticating BGP Peers

Recipe 13.11. Setting Up Route Reflectors

Recipe 13.12. Mitigating Route Instabilities with Route Flap Damping

Recipe 13.13. Adding a BGP Community to Routes

Recipe 13.14. Load-Balancing BGP Traffic

Recipe 13.15. Tracing BGP Protocol Traffic

Recipe 13.3. Diagnosing TCP Session Problems

13.4.1. Problem

You want to figure out why the BGP session is not being established.

13.4.2. Solution

Start by looking at the current state of the TCP sessions on the router:

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Contents

Chapter 13. BGP > Diagnosing TCP Session Problems

Recipe 13.3. Diagnosing TCP Session Problems

13.4.1. Problem

13.4.2. Solution