Displaying And Maintaining Tunneling Configuration; Troubleshooting Tunneling Configuration - HP A7500 Series Configuration Manual

round-trip min/avg/max = 1/19/31 ms

Displaying and maintaining tunneling configuration

To do...
Display information about tunnel
interfaces
Display IPv6 information on tunnel
interfaces
Clear statistics on tunnel interfaces

Troubleshooting tunneling configuration

Symptom
After the configuration of related parameters such as tunnel source address, tunnel destination address,
and tunnel mode, the tunnel interface is still not up.
Solution
Follow these steps:
The common cause is that the physical interface of the tunnel source is not up. Use the display
1.
interface tunnel or display ipv6 interface tunnel commands to view whether the physical interface
of the tunnel source is up. If the physical interface is down, check the network connections.
Another possible cause is that the tunnel destination is unreachable. Use the display ipv6
2.
routing-table or display ip routing-table command to view whether the tunnel destination is
reachable. If no routing entry is available for tunnel communication in the routing table, configure
related routes.
Use the command...
display interface [ tunnel ] [ brief [ down ] ] [ |
{ begin | exclude | include }
regular-expression ]
display interface tunnel number [ brief ] [ |
{ begin | exclude | include }
regular-expression ]
display ipv6 interface tunnel [ number ] [ brief ]
[ | { begin | exclude | include }
regular-expression ]
reset counters interface [ tunnel [ number ] ]
181
Remarks
Available in any view
Available in any view
Available in user view