interfaces tunnel <tunx> nhrp authentication <secret>
Specifies a password that authenticates NHRP packets.
NHRP packets are not authenticated.
- tunx
- Mandatory. The identifier for a tunnel interface. The identifier ranges from tun0 through tunx, where x is a non-negative integer.
- secret
- Mandatory. A plain text password that authenticates packets. The password is a maximum of eight characters.
Configuration mode
interfaces {
tunnel tunx {
nhrp {
authentication secret
}
}
}
Use this command to specify a password that authenticates NHRP packets. The password is embedded in all outgoing NHRP packets. All incoming NHRP packets on the interface are discarded unless the password is present.
Use the set form of this command to specify a password that authenticates NHRP packets.
Use the delete form of this command to delete an authentication password.
Use the show form of this command to display an authentication password.