R2511-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V5)

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Troubleshooting NAT-PT
Symptom
NAT-PT fails when a session is initiated on the IPv6 side.
Solution
1. Enable debugging for NAT-PT and locate the fault according to the debugging information of the
device.
2. During debugging, check whether the source address of a packet is translated successfully. If not,
it is possible that the address pool has no sufficient IP addresses.
3. You can configure a larger address pool, or use NAPT-PT to perform NAT-PT.