3 bgp/mpls ip vpn troubleshooting -1, 4 mpls l2vpn troubleshooting -1 – Panasonic NN46240-710 User Manual

Page 4

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Advertising

2.3 Troubleshooting cases.............................................................................................................................. 2-10

2.3.1 Ping of the peer tunnel fails although the network layer protocols on both ends are up................. 2-11

2.3.2 PCs cannot ping through each other although tunnel interfaces on two ends can ping each other
successfully............................................................................................................................................. 2-14

2.4 FAQs.........................................................................................................................................................2-15

2.5 Diagnostic tools........................................................................................................................................ 2-17

2.5.1 display commands.......................................................................................................................... 2-17

2.5.2 debugging commands.....................................................................................................................2-19

2.5.3 Alarms............................................................................................................................................ 2-21

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

3.2.4 Troubleshooting procedure.............................................................................................................3-10

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

4 MPLS L2VPN troubleshooting.................................................................................... 4-1

4.1 MPLS Layer 2 VPN overview....................................................................................................................4-2

4.1.1 Introduction to MPLS Layer 2 VPN................................................................................................ 4-2

4.1.2 CCC MPLS Layer 2 VPN................................................................................................................ 4-3

4.1.3 SVC MPLS Layer 2 VPN................................................................................................................ 4-4

4.1.4 Martini MPLS Layer 2 VPN............................................................................................................ 4-4

4.1.5 PWE3 MPLS Layer 2 VPN..............................................................................................................4-5