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# Configuring Proxy Neighbor Advertisements

Much like proxy ARP, proxy Neighbor Discovery is a means by which one interface responds to a Neighbor Discovery query on behalf of another interface.

To configure proxy Neighbor Discovery:

1. Access an IPv6 interface.
   `
   host1(config)#interface fastEthernet 0/0
   host1(config-if)#
   `
2. Enable Neighbor Discovery on the current interface.
   `
   host1(config)#ipv6 nd
   `

   | Note: This command is redundant when configuring Neighbor Discovery over Ethernet, because neighbor solicitations and advertisements are automatically sent on Ethernet interfaces.

3. Enable IPv6 neighbor proxy.
   `
   host1(config-if)#ipv6 nd proxy
   `

ipv6 nd proxy

- Use to enable or disable Neighbor Discovery proxy.

- Example
  `
  host1(config-if)#ipv6 nd proxy
  `

- Use the no version of this command to disable Neighbor Discovery proxy.
- See ipv6 nd proxy

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