Cisco SCE2020-4XGBE-SM Configuration Manual page 174

Tunneling Protocols
How to Enable IPinIP Tunneling
By default, IP tunnel recognition is disabled. Use this command to configure recognition of IPinIP
tunnels and skipping into the internal IP packet.
Step 1 Shut down the linecard. (This is a root level command.)
From the SCE(config if)#> prompt, type shutdown and press Enter.
Enable IPinIP tunneling.
Step 2
From the SCE(config if)# prompt, type ip-tunnel IPinIP skip and press Enter.
Restart the linecard.
Step 3
From the SCE(config if)#> prompt, type no shutdown and press Enter.
How to Disable IPinIP Tunneling
Shut down the linecard. (This is a root level command.)
Step 1
From the SCE(config if)#> prompt, type shutdown and press Enter.
Disable IPinIP tunneling.
Step 2
From the SCE(config if)# prompt, type no ip-tunnel IPinIP skip and press Enter.
Step 3 Restart the linecard.
From the SCE(config if)#> prompt, type no shutdown and press Enter.
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
6-8
Chapter 6 Configuring the Line Interface
OL-7827-12