Network Router User Manual

4 MPLS L2VPN troubleshooting
Nortel Secure Router 8000 Series
Troubleshooting - VPN
4-8 Nortel Networks Inc. Issue 5.3 (30 March2009)
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Typical networking
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Configuration notes
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Troubleshooting flowchart
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Troubleshooting procedure
4.2.1 Typical networking
Local cross-connection networking
Figure 4-5 Local cross-connection networking
CE 1
CE 2
PE
POS 1/0/0
100.1.1.1/24
POS1/0/0
100.1.1.2/24
POS 1/0/0
POS 2/0/0
local connection
Only the CCC mode and the Kompella mode support local cross-connection. Both modes
support IP-interworking in the case of local cross-connection.
The label does not change during data forwarding on PE.
Remote connection networking
Figure 4-6 Remote connection networking
POS 2/0/0
168.1.1.1/24
POS 1/0/0
168.1.1.2/24
POS 2/0/0
169.1.1.1/24
POS 1/0/0
169.1.1.2/24
POS 1/0/0
30.1.1.1/24
PPE 2
PE 1
CE 1
CE 2
POS 2/0/0
POS 1/0/0
POS 1/0/0
30.1.1.1/24
Loopback1
1.1.1.9/32
Loopback1
2.2.2.9/32
Loopback1
3.3.3.9/32
Remote Connection
The networking shown in Figure 4-6 applies to all Layer 2 VPN remote connections.