If you are trying to run FULL DUPLEX 100BaseT make sure of your cables and switch port settings. Also I am not sure the CISCO router will run FULL Duplex.
Larry At 12:14 PM 6/7/00 -0400, Allen Ahoffman wrote: >Return-Path: <MAILER-DAEMON> >Received: from localhost (localhost) > by announce.com (8.9.1/8.9.1) with internal id MAB25116; > Wed, 7 Jun 2000 12:14:21 -0400 >Date: Wed, 7 Jun 2000 12:14:21 -0400 >From: Mail Delivery Subsystem <[EMAIL PROTECTED]> >Message-Id: <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >MIME-Version: 1.0 >Content-Type: multipart/report; report-type=delivery-status; > boundary="MAB25116.960394461/announce.com" >Subject: Returned mail: User unknown >Auto-Submitted: auto-generated (failure) > >The original message was received at Wed, 7 Jun 2000 12:14:21 -0400 >from [EMAIL PROTECTED] > > ----- The following addresses had permanent fatal errors ----- >debian-isp.lists.debian.org > > ----- Transcript of session follows ----- >550 debian-isp.lists.debian.org... User unknown >Reporting-MTA: dns; announce.com >Arrival-Date: Wed, 7 Jun 2000 12:14:21 -0400 > >Final-Recipient: RFC822; [EMAIL PROTECTED] >Action: failed >Status: 5.1.1 >Last-Attempt-Date: Wed, 7 Jun 2000 12:14:21 -0400 >Return-Path: <ahoffman> >Received: (from [EMAIL PROTECTED]) > by announce.com (8.9.1/8.9.1) id MAA25116 > for debian-isp.lists.debian.org; Wed, 7 Jun 2000 12:14:21 -0400 >From: Allen Ahoffman <ahoffman> >Message-Id: <[EMAIL PROTECTED]> >Subject: icmp losses >To: debian-isp.lists.debian.org >Date: Wed, 7 Jun 100 12:14:21 -0400 (EDT) >X-Mailer: ELM [version 2.4ME+ PL31 (25)] >MIME-Version: 1.0 >Content-Type: text/plain; charset=US-ASCII >Content-Transfer-Encoding: 7bit > >question: >we have a cisco 7206, and a Samsung 10/100 managed switch. >the 7026 has a fastethernet 100MBPS port. >we are seeing losses of 1 to 8% when pinging the router. >I can't find errors in the router configs, its set to full duplex 100mbps. >the switch however doesn't show a full duplex light, >shoudl I change the switch port and tell it to be full duplex? >I can ping cleanly thru the switch from host to host but host to router. >If I move the port for the router the losses follow >we see input errors and crc errors on the fastethernet0/0 port. >some giants also. > >