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# Adding a Description

The router enables you to add a text description or an alias to an IPv6 interface or subinterface. Adding a description helps you identify the interface and keep track of interface connections.

ipv6 description

- Use to assign a text description or an alias to an IPv6 interface or subinterface.
- The description or alias can be a maximum of 256 characters.
- Use the show ipv6 interface command to display the text description.
- Example 1
  `
  host1(config-if)#ipv6 description boston01 ipv6 interface
  `
- Example 2
  `
  host1(config-subif)#ipv6 description dallas05 ipv6 subinterface
  `
- Use the no version to remove the text description or alias.
- See ipv6 description

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