Panasonic NN46240-710 User Manual
Page 76
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Nortel Secure Router 8000 Series
Troubleshooting - VPN___________
Contents
3 BGP/MPLS IP VPN troubleshooting........................................................................... 3-1
3.1 BGP/MPLS IP VPN overview..................................................................................................................... 3-2
3.1.1 Introduction to VPN............................................................................................................................3-2
3.1.2 Network topology............................................................................................................................... 3-3
3.1.3 Operation model..................................................................................................................................3-3
3.2 MPLS L3VPN troubleshooting.................................................................................................................... 3-5
3.2.1 Typical networking............................................................................................................................. 3-5
3.2.2 Configuration notes.............................................................................................................................3-6
3.2.3 Troubleshooting flowchart.................................................................................................................. 3-9
3.3 Troubleshooting cases................................................................................................................................ 3-14
3.3.1 PE fails to send private network routes to the remote CE.................................................................. 3-14
3.3.2 CEs cannot communicate..................................................................................................................3-17
3.3.3 Failure to ping large packets of the private network.........................................................................3-18
3.3.4 PE cannot ping through the remote CE network segment................................................................ 3-19
3.3.5 Failure to establish the MP-EBGP peer in inter-AS VPN-OptionC................................................. 3-20
3.4 FAQs.......................................................................................................................................................... 3-21
3.5 Diagnostic tools..........................................................................................................................................3-23
3.5.1 display commands.............................................................................................................................3-23
3.5.2 debugging commands....................................................................................................................... 3-23
3.5.3 Alarms............................................................................................................................................... 3-24
3.5.4 Logs...................................................................................................................................................3-26
Issue 5.3 (30 March 2009)
Nortel Networks Inc.
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