[afnog] Router ethernet port hang

Tue May 11 12:47:22 UTC 2010

We thought that initially but we upgraded to advanced IP services IOS  and still experiencing the same thing

From: NJIE Paul EFOME [mailto:efomenjie at yahoo.com] 
Sent: Tuesday, May 11, 2010 12:00 PM
To: Bernard Wanyama; Murigi, Moses M
Cc: afnog at afnog.org
Subject: Re: [afnog] Router ethernet port hang

Hi Moses,
   I got this problem before. Usually the 3800 sries routers come with IPbase IOS which can't support additional FEs. So what I did was update its IOS with IPservices and problem was solved. You can get it from cisco if u have a login. Or someone might send it to you but its heavy about 37M. Not CPU or other. I hope this helps.

Sincere Regards,

----------------------------
NJIE EFOME Paul
SDIS/DSI - Camtel
B.P. 1571 Yaoundé - Cameroon
Tel: +237 2222 2316
Fax: +237 2222 5235
CDMA: +237 3301 3202
GSM: +237 7484 8165

________________________________

From: Bernard Wanyama <bwanyama at syntechug.com>
To: "Murigi, Moses M" <MurigiM at stanbic.com>
Cc: afnog at afnog.org
Sent: Tue, May 11, 2010 9:34:25 AM
Subject: Re: [afnog] Router ethernet port hang

Moses,

Please send through the requested info, and also include DUPLEX and SPEED settings, plus the cable state (new, old, reliably used before, etc)

Many bugs I encounter are related to cables, speed and duplex.
Also, you need to check that you are not overloading the 3845 chassis.
There are a number of caveats for running the newer, higher-density cards.

To give you some hope, I, happy to tell you that I have two production 3845s running with the HWIC 2FE on IOS Version 12.4(15)T11, without issues for 3 months now.

Kind regards,
Bernard

On 10 May 2010 20:47, Oluwaseun Ojedeji <seun.ojedeji at gmail.com> wrote:

In addition to mark's troubleshooting points, you might also want to back track to how the router was performing before you added the cards(was it a coincidence that the pro started after adding the cards?),is the card compatible with the ios, how about using one card after the other? you might also want to disconnect the LAN side and check out the effect of that, sure you must have try to changed the cables connecting this ports?

Regards

On Mon, May 10, 2010 at 6:00 PM, Mark Tinka <mtinka at globaltransit.net> wrote:

	On Monday 10 May 2010 09:04:32 pm Murigi, Moses M wrote:

	> We are running a 3845 router in which we have added a
	>  HWIC 2FE cards. After every two  to four days the card
	>  hang's  and we have to restart the router.
	> The router is on Version 12.4(13r)T10
	> Do anyone a have solution to this?

	You'd need to provide more information on this situation:

	       - does the port remain up/up?
	       - does the port got into up/down?
	       - does the port go down/down?
	       - are there any errors on the port before rebooting?
	       - what do the logs say?
	       - does a 'shut/unshut' help before rebooting?
	       - does unplugging/plugging the cable help?
	       - are other ports in the router affected when it fails?
	       - how much traffic is being forwarded when it fails?
	       - have you tried an updated IOS release?

	Is there any other troubleshooting you've done I may have
	missed out in the above?

	Mark.

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Seun Ojedeji,
System Analyst/Network Admin
ICT Centre,
University of Nigeria, Enugu Campus.
web: www.unn.edu.ng
Tel:   08035233535
Email: seun.ojedeji at unn.edu.ng
         seun.ojedeji at gmail.com

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