Sometimes the autonegotiate does not work right.
We had similar problems with some Solaris boxes.
You might also try hard coding the duplex mode....
----- Original Message -----
From: "Keith Nelson" <[EMAIL PROTECTED]>
To: "NT System Admin Issues" <[EMAIL PROTECTED]>
Sent: Sunday, August 19, 2001 8:24 PM
Subject: RE: Cisco question...
> Is the router connected to a Switch or a Hub?
> Are both ends set to use Auto-Negotiation for Port Speed and Duplex.
> It is possible that you are having a port speed/duplex mismatch which is
> shutting down the interface.
>
> Just a few thoughts.
> Keith
>
> -----Original Message-----
> From: mail.kenmcphail.com [mailto:[EMAIL PROTECTED]]
> Sent: Monday, August 13, 2001 8:13 AM
> To: NT System Admin Issues
> Subject: Re: Cisco question...
>
> Are you running any IPSEC or GRE tunnels on the device?
> ----- Original Message -----
> From: "Goldoff, Erik" <[EMAIL PROTECTED]>
> To: "NT System Admin Issues" <[EMAIL PROTECTED]>
> Sent: Monday, August 13, 2001 10:02 AM
> Subject: RE: Cisco question...
>
>
> > show buffers...
> >
> >
> > Erik Goldoff
> > Systems Manager
> > The HoneyBaked Ham Company
> > 678-966-3320
> > [EMAIL PROTECTED]
> >
> >
> >
> > -----Original Message-----
> > From: Eric Brouwer [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, August 09, 2001 12:23 PM
> > To: NT System Admin Issues
> > Subject: Cisco question...
> >
> >
> > I guess I'll start out by asking, are there any good Cisco lists out
> there?
> >
> > If not, hopefully someone here can help.
> >
> > I have a Cisco 3620 router. We have 3 T1 Serial WIC's installed that
> > connect our 3 regional offices. We also have 2 ethernet interfaces
> > installed. One is for video inferences, the other connects to our
> LAN.
> We
> > are having problems today with the LAN interface. The regional
> offices
> > called saying they could not get e-mail. (Our Exchange servers are
> all on
> > the local network.) In tracing the problem back, it seems like the
> LAN
> > interface goes down. If I look on the router, all the lines are
> green. A
> > reboot of the router cleared up the problem. For about an hour. Then
> the
> > same symptoms returned. Another reboot "fixed" it. When the problem
> is
> > occurring, I can not ping that LAN interface, even though the
> connection
> is
> > green on both ends of the patch cable.
> >
> > Any ideas? What can I look for?
> >
> > Eric
> > http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
> >
> >
> >
> > http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
> >
> >
>
>
> http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
>
>
> http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
>
>
http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
