[c-nsp] router ethernet

[Adam Maloney]

On Thu, 5 May 2005, Kern, Tom wrote:

> well, the router says nothing. I was wondering what I should turn on to 
> make it more verbose.

Get some show int eth0 and show controller eth0 output (twice, a few 
seconds apart).  Look at the interface queues and "last input" timers. 
Check if these or the packet counters or error counters are increasing 
between the two times you get the output.

Check bugtool and see if this is a known bug for your IOS version.  There 
have been bugs in the past where an interface input queue will wedge under 
certain conditions.

I would also try unplugging the ethernet cable from the cisco, waiting a 
few secs, and then plugging it back in to see if that bounces the 
interface hardware.

You might also try putting a cheap hub or switch between the cisco and the 
firebox, and see if that makes any difference.

> Rebooting the firebox doesn't help. only reloading the router clears the 
> issue

I assume you did a shut/no shut on the interface before reloading?