Panasonic NN46240-710 - Manual (Page 6)

Nortel Secure Router 8000 Series
Troubleshooting - VPN___________
Figures
Figure 1-1 Typical L2TP tunnel modes............................................................................................................. 1-5
Figure 1-2 The process flow for setting up an L2TP tunnel.............................................................................. 1-5
Figure 1-3 Networking of the L2TP tunnel........................................................................................................1-5
Figure 1-4 The flowchart for diagnosing faults on L2TP.................................................................................. 1-5
Figure 1-5 Networking of the L2TP access to the Layer 3 VPN..................................................................... 1-5
Figure 1-6 Networking of the disconnection of the L2TP session................................................................... 1-5
Figure 2-1 Format of an encapsulated tunnel packet......................................................................................... 2-2
Figure 2-2 Two networks interconnecting through the GRE tunnel..................................................................2-3
Figure 2-3 Typical GRE networking diagram................................................................................................... 2-4
Figure 2-4 GRE troubleshooting flowchart........................................................................................................2-7
Figure 2-5 Networking diagram of the GRE troubleshooting 1.....................................................................2-11
Figure 2-6 Networking diagram of the GRE troubleshooting II.................................................................... 2-14
Figure 3-1 BGP/MPLS VPN network topology...............................................................................................3-3
Figure 3-2 BGP/MPLS VPN instances............................................................................................................ 3-4
Figure 3-3 BGP/MPLS VPN networking......................................................................................................... 3-6
Figure 3-4 MPLS VPN troubleshooting flowchart.........................................................................................3-10
Figure 3-5 Networking diagram..................................................................................................................... 3-14
Figure 3-6 BGP/MPLS VPN networking diagram.........................................................................................3-17
Figure 3-7 PE cannot ping through the remote CE network segment............................................................ 3-19
Figure 3-8 Networking diagram of the inter-AS VPN-OptionC troubleshooting.......................................... 3-20
Figure 4-1 MPLS LAYER 2 VPN networking................................................................................................ 4-2
Figure 4-2 MPLS Layer 2 VPN label stack processing................................................................................... 4-3
Figure 4-3 Martini signaling process................................................................................................................4-5
Figure 4-4 PWE3 signaling process................................................................................................................. 4-5
Figure 4-5 Local cross-connection networking................................................................................................ 4-8
Figure 4-6 Remote connection networking...................................................................................................... 4-8
Issue 5.3 (19 January 2009) Nortel Networks Inc. v