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### Instruction:
What is the purpose of the 'show rsvp neighbor' command in IOS XR?
### Response:
The 'show rsvp neighbor' command is used to display information about RSVP neighbors. It shows the neighbor address, the interface to the neighbor, and the encapsulation used (RSVP or RSVP-TE). This command is useful for verifying the RSVP neighbor relationships.
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