Chapter 12
Tunneling and VPNs
RUGGEDCOM ROX II
CLI User Guide
400 Viewing a List of GRE Tunnels
Parameter Description
• Up - GRE tunnel is up and running;
• Down - GRE tunnel interface is inactive or tunnel remote endpoint is not reachable;
• Keepalives Disabled - Keepalive messages have been disabled, not able to know if the
tunnel remote endpoint is reachable or not
This parameter is mandatory.
rx-packets Synopsis: A 64-bit unsigned integer
The number of packets received through the tunnel.
This parameter is mandatory.
rx-errors Synopsis: A 64-bit unsigned integer
The error packets received through the tunnel.
This parameter is mandatory.
rx-drops Synopsis: A 64-bit unsigned integer
The number of packets dropped by the tunnel.
This parameter is mandatory.
tx-packets Synopsis: A 64-bit unsigned integer
The number of packets transmitted through the tunnel.
This parameter is mandatory.
tx-errors Synopsis: A 64-bit unsigned integer
The number of error packets transmitted through the tunnel.
This parameter is mandatory.
tx-drops Synopsis: A 64-bit unsigned integer
The number of packets dropped by the tunnel.
This parameter is mandatory.
Section12.7.2
Viewing a List of GRE Tunnels
To view a list of GRE tunnels, type:
show running-config tunnel gre
If GRE tunnels have been configured, a table or list similar to the following example appears:
ruggedcom# show running-config tunnel gre | tab
IF
NAME LOCAL IP REMOTE IP REMOTE NET MTU MULTICAST COST
-------------------------------------------------------------------------
gre 172.16.17.18 172.19.20.21 192.168.2.0/24 1476 - 0
If no GRE tunnels have been configured, add tunnels as needed. For more information, refer to Section12.7.3,
“Adding a GRE Tunnel”.