کد:
http://wiki.nil.com/Video:Simple_BGP_troubleshooting
The video describes simple BGP troubleshooting techniques, including session troubleshooting, BGP route origination troubleshooting and route propagation troubleshooting. These procedures are illustrated in a simple two-site MPLS/VPN-based network using BGP as the PE-CE routing protocol.
Contents

  • 1 Target audience
  • 2 Other prerequisite knowledge
  • 3 Reference diagram
  • 4 Monitoring commands
  • 5 BGP troubleshooting video
  • 6 Router configurations

Target audience

CCNA-level engineers who have to configure BGP on customer edge routers connected to MPLS VPN network.
Other prerequisite knowledge


  • Connect a small site to MPLS VPN network using BGP as the PE-CE routing protocol

Reference diagram


Monitoring commands





show ip protocol Display the routing protocols running on a router
show ip bgp summary Display the state of BGP sessions
show ip route prefix Display a single IP prefix in the IP routing table
show ip bgp Display the contents of the BGP table
show ip bgp prefix Display a single IP prefix in the BGP table
show ip bgp regexp Display BGP routes where the AS-path matches the specified regular expression
show ip bgp neighbor advertised Display BGP routes advertised to the specified neighbor




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