[c-nsp] Hanging Fa0 on 1721

[Ed Ravin]

On Wed, Aug 09, 2006 at 04:55:08PM +0200, Vincent De Keyzer wrote:
> I had the following problem with a customer router (Internet access) : Fa0
> was not sending packets out anymore (to customer firewall). Problem was
> fixed by reloading the 1721.

I wonder if you're seeing this problem:

  http://puck.nether.net/pipermail/cisco-nsp/2005-May/020035.html

I've since discovered that the router was sending packets, but had
stopped receiving anything.  "clear int faste0" fixed it (I had access
to the console port).

Does your router have any other interfaces besides FastEthernet0?
Also, what IOS are you running?