Instructs the router to send GRE packets with a security key number. The tunnel endpoint must also be configured to use a security key, and the key numbers must be identical. If a security key is not configured on the tunnel endpoint, or a different key number is used, the packets are discarded. Use no tunnel key to specify that no security key should be sent.
Syntax
tunnel keykey_id
no tunnel key
Parameters
Parameter
Description
Possible Values
Default Value
key_id
The ID number of the security key to be sent with GRE packets
0-2147483647
User level
read-write
Context
Interface: Tunnel (L2, L2-L3)
Example
To instruct the router to send GRE packets with security key number 7:
