interfaces tunnel <tunx> parameters ip key <key>
Defines an authentication key for a tunnel interface.
No key is configured; authentication is not required.
- tunx
- The identifier of a tunnel interface. The identifier ranges from tun0 through tunx, where x is a nonnegative integer.
- key
- A key for authenticating the local endpoint to the remote endpoint. The key must match on both ends of the connection for the tunnel to be established.
Configuration mode
interfaces {
tunnel tunx {
parameters {
ip {
key key
}
}
}
}
Use this command to provide a simple password-like numeric key for authenticating tunnel endpoints to each other. For the tunnel to be established, keys must be identical at both ends of the tunnel.
Note: This is only valid with GRE and GRE-multipoint encapsulation only.
Use the set form of this command to define an authentication key for a tunnel interface.
Use the delete form of this command to delete the authentication key for a tunnel interface.
Use the show form of this command to display the authentication key for a tunnel interface.