[afnog] Router ethernet port hang
Oluwaseun Ojedeji
seun.ojedeji at gmail.com
Tue May 11 17:35:01 UTC 2010
Dear Moses,
>From your running config. could you check out the encapsulation type on both
ends? the duplex settings being auto; u might want to check the settings on
the other end? have you tried to upgrade to the ios that was suggested? you
could also check the mtu, bandwidth, delay(though i doubt it could be the
problem). I think it will also be good to try paul's suggestion since he has
your series of router.
I guess this could be interesting/frustrating for you...emmm..that is
networking. Please share the solution when you finally get through with it.
Good luck
Regards
On Tue, May 11, 2010 at 1:51 PM, Murigi, Moses M <MurigiM at stanbic.com>wrote:
> See configs below
>
>
>
> Kind regards
>
>
>
> interface FastEthernet0/2/0
>
> ip address 10.0.0.1 255.255.255.252
>
> duplex auto
>
> speed auto
>
> !
>
> interface FastEthernet0/2/1
>
> no ip address
>
> duplex auto
>
> speed auto
>
> !
>
> interface FastEthernet0/2/1.1
>
> encapsulation dot1Q 212
>
> ip address 10.1.1.65 255.255.255.252
>
> ip summary-address eigrp 2008 0.0.0.0 0.0.0.0 100
>
>
>
> *From:* Bernard Wanyama [mailto:bwanyama at syntechug.com]
> *Sent:* Tuesday, May 11, 2010 11:34 AM
> *To:* Murigi, Moses M
>
> *Cc:* afnog at afnog.org
> *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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--
------------------------------------------------------------------------
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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