The following table summarizes commands that allow you to enter the GRE configuration mode:
| Command | Description |
|---|---|
| gre | Enables GRE tunneling on a profile/device. Use this command to enter GRE configuration mode, and to create up to 1000 GRE tunnels. Use this command to modify an existing GRE tunnel‘s settings. |
| gre-config-instance | Summarizes GRE tunnel configuration mode commands |