[c-nsp] NPE-G1 with 12.2(25)S reload

Rodney Dunn rodunn at cisco.com
Fri Feb 25 12:10:18 EST 2005


Sorry, I meant the part about CEF automagically
getting disabled:


> > Did someone open a case for this issue:
> >
> >
> > >
> > > > Hi Brian,
> > > >
> > > > Regarding taking your G1's to 12.2(25)S2, aren't you concerned
> > > > about
> > > > the "cef interface bug" that's been discussed here previously
> > > > (included below)?  I've been holding off because of it - am I
> > > > being
> > > > too cautious I wonder.
> > > >
> > >
> >
> >
> > I'd like to track it and see where it's at.






On Fri, Feb 25, 2005 at 11:04:48AM -0600, Brian Feeny wrote:
>  
> 
> Yes I opened TAC case 600966437 
> 
>  
> Initially, msimon at cisco.com thought it may be related to CSCdu58992.  I 
> thought otherwise since: 
> 
> a) CSCdu58992 was supposedly fixed prior to 12.2(25)S 
> b) CSCdu58992 applies to Intel based chipsets on the I/O Module, and 
> mine has DEC based chipset 
> 
> I downgraded to 12.2(18)S7, which is really where I want to be anyways, 
> and I was still seeing the problem. 
> 
> I think it MAY have been enviromental related.  The I/O module was 
> logging warnings about heat 
> to the log.  107F it was it.  
> 
> crashinfo_20050218-053551:17w2d: %ENVM-4-ENVWARN: I/O Cont Outlet 
> measured at 42C/107F 
> 
> Whats interesting, is that out of all the 7206's in that cabinet, this 
> one has to coolest running NPE, which is an  
> NPE-G1.  Yet it had the hottest running I/O module, and not by a little 
> either, by about 20 degrees! 
> 
> The ONLY other changes I made, was I removed some basic policy maps 
> that were put in place to do some LLQ 
> for voice traffic.  I plan to restore those policy maps here real soon. 
>  I honestly think it may have been the heat issue. 
> Since removing some panels in that cabinet to make some better airflow, 
> the I/O has been within tolerance, and I have 
> not had a crash yet. 
> 
> I did not hear anything back from the DE who was looking over the 
> crashlog however. 
> 
> Brian 
> 
> 
> 
> On Feb 25, 2005, at 10:32 AM, Rodney Dunn wrote: 
> 
> 
> > Hey guys, 
> > 
> > Did someone open a case for this issue: 
> > 
> > 
> > > 
> > > > Hi Brian, 
> > > > 
> > > > Regarding taking your G1's to 12.2(25)S2, aren't you concerned 
> > > > about 
> > > > the "cef interface bug" that's been discussed here previously 
> > > > (included below)?  I've been holding off because of it - am I 
> > > > being 
> > > > too cautious I wonder. 
> > > > 
> > > 
> >  
> > 
> > I'd like to track it and see where it's at. 
> > 
> > 
> > 
> > Rodney 
> > 
> > 
> > On Tue, Feb 22, 2005 at 09:13:42AM +1000, David J. Hughes wrote: 
> > 
> > > Hi, 
> > > 
> > > We're in 2 minds at the moment about moving to 12.2(25)S from  
> > > 12.2(18)S. A solid 12.2(18) would be fine but 12.2(18)S7 is still 
> > > open  
> > > to the BGP DOS problem outlined in  
> > > 
> > > (http://www.cisco.com/warp/public/707/cisco-sa-20050126-bgp.shtml). 
> > >   
> > > Clayton Kossmeyer @Cisco mentioned a while back that a 12.2(18)S  
> > > rebuild with the BGP DOS bug fix would be made available at some 
> > > time  
> > > but there's no sign of it nor a release date anywhere I've 
> > > looked.  So  
> > > the option is either 12.2(18)S with BGP DOS problems or 12.2(25)S 
> > > with  
> > > CEF interface problems.  I guess we have to pick the lesser of 
> > > the two  
> > > evils :) 
> > > 
> > > 
> > > David 
> > > ... 
> > > 
> > > On 21/02/2005, at 7:58 AM, Brian Feeny wrote: 
> > > 
> > > 
> > > >  
> > > > David, 
> > > > 
> > > > Absolutely.  In fact I downgraded to 12.2(18)S7.  If you don't 
> > > > mind me  
> > > > asking, what are you running?  I have most of our core at 
> > > > 12.2(18)S7,  
> > > > and I have had very little problems.  I have not had this 
> > > > "reload" bus  
> > > > error hit me on 12.2(18)S7 as of yet, so hopefully its not 
> > > > something  
> > > > that is in that release as well. 
> > > > 
> > > > I am always looking for opinions on which 12.2S code others 
> > > > have  
> > > > settled on.  12.2(18)S7 has gotten numerous kudos on this list 
> > > > and  
> > > > other places and it seems to work well for us.  I run the 
> > > > SERVICE  
> > > > PROVIDER feature set. 
> > > > 
> > > > Brian 
> > > > 
> > > > On Feb 20, 2005, at 3:46 PM, David J. Hughes wrote: 
> > > > 
> > > > 
> > > > >  
> > > > > Hi Brian, 
> > > > > 
> > > > > Regarding taking your G1's to 12.2(25)S2, aren't you 
> > > > > concerned about  
> > > > > the "cef interface bug" that's been discussed here previously 
> > > > >  
> > > > > (included below)?  I've been holding off because of it - am I 
> > > > > being  
> > > > > too cautious I wonder. 
> > > > > 
> > > > > ---- 
> > > > > 
> > > > > > -----Mensaje original----- 
> > > > > > De: cisco-nsp-bounces at puck.nether.net 
> > > > > > [mailto:cisco-nsp-bounces at puck.nether.net] En nombre de 
> > > > > > Marcus  
> > > > > > Stoegbauer 
> > > > > > Enviado el: martes, 25 de enero de 2005 15:24 
> > > > > > Para: cisco-nsp at puck.nether.net 
> > > > > > Asunto: Re: [c-nsp] 12.2(25)S on NPEG1 
> > > > > > 
> > > > > > On Tuesday 25 January 2005 13:39, nishal goburdhan wrote: 
> > > > > > 
> > > > > > > we've upgraded a few G1s to 25Sx and noticed that 
> > > > > > > periodically, the 
> > > > > > > router disables 'ip route-cache' across all interfaces. 
> > > > > > > 
> > > > > > > 'sh ip int' reveals: 
> > > > > > >   IP fast switching is enabled 
> > > > > > >   IP Flow switching is disabled 
> > > > > > >   IP CEF switching is disabled 
> > > > > > > 
> > > > > > > Cisco 7206VXR (NPE-G1) processor (revision A) with 
> > > > > > > 983040K/65536K 
> > > > > > > bytes of memory. System image file is  
> > > > > > > "disk2:c7200-k91p-mz.122-25.S2.bin" 
> > > > > > > 
> > > > > > > ...same has also occured on 12.2(25)S. 
> > > > > > > 
> > > > > > > has anyone else noticed this? 
> > > > > > > 
> > > > > >  
> > > > > > Yep, that happened here on nearly all of our routers, with 
> > > > > > NPE-G1  
> > > > > > and also 
> > > > > > with NPE-400. 
> > > > > > We only did minor changes to the configuration (removing a  
> > > > > > subinterface, 
> > > > > > removing an area from OSPF and so on), and suddenly all 
> > > > > > interfaces  
> > > > > > had "no 
> > > > > > ip route-cache" and "no ip route-cache cef" set. 
> > > > > > Interesting enough, it doesn't happen all the time: On two 
> > > > > > routers  
> > > > > > with 
> > > > > > exactly the same configuration, hardware and software 
> > > > > > versions, we  
> > > > > > changed 
> > > > > > the same things in the config, router1 had "no ip 
> > > > > > route-cache" set  
> > > > > > on the 
> > > > > > interfaces, router2 not. 
> > > > > > 
> > > > > > The problem with "clear access-list counter" happened here, 
> > > > > > too. I'm 
> > > > > > currently waiting for Cisco to see that it really is a bug 
> > > > > > ("Please  
> > > > > > use 
> > > > > > clear access-list instead of clear ip access-list" and 
> > > > > > "Please  
> > > > > > update to the 
> > > > > > latest release" isn't very good advice when we're already 
> > > > > > running  
> > > > > > 12.2(25)S2 
> > > > > > and I only left out the "clear access-list" lines in the 
> > > > > > bug report  
> > > > > > to 
> > > > > > simplify it ...). 
> > > > > > 
> > > > > >    Marcus 
> > > > > > 
> > > > > --- 
> > > > > 
> > > > > 
> > > > > David 
> > > > > ... 
> > > > > 
> > > > > 
> > > > > On 19/02/2005, at 7:49 AM, Brian Feeny wrote: 
> > > > > 
> > > > > 
> > > > > >  
> > > > > > I realize I should be on S2 and I am working on that right 
> > > > > > now, but I 
> > > > > > want to make sure that the problem 
> > > > > > I had isn't possibly in S2 as well.  Here is what I got: 
> > > > > > 
> > > > > > dal-lone-gw1#show ver 
> > > > > > Cisco IOS Software, 7200 Software (C7200-K91P-M), Version 
> > > > > > 12.2(25)S, 
> > > > > > RELEASE SOFTWARE (fc2) 
> > > > > > Technical Support: http://www.cisco.com/techsupport 
> > > > > > Copyright (c) 1986-2004 by Cisco Systems, Inc. 
> > > > > > Compiled Fri 13-Aug-04 18:42 by cmong 
> > > > > > 
> > > > > > ROM: System Bootstrap, Version 12.3(4r)T1, RELEASE SOFTWARE 
> > > > > > (fc1) 
> > > > > > BOOTLDR: 7200 Software (C7200-KBOOT-M), Version 12.2(4)BW, 
> > > > > > EARLY 
> > > > > > DEPLOYMENT RELEASE SOFTWARE (fc1) 
> > > > > > 
> > > > > >   dal-lone-gw1 uptime is 13 minutes 
> > > > > > System returned to ROM by error - a Software forced crash, 
> > > > > > PC 
> > > > > > 0x6083F730 at 21:10:30 UTC Fri Feb 18 2005 
> > > > > > System restarted at 21:12:56 UTC Fri Feb 18 2005 
> > > > > > System image file is "disk2:c7200-k91p-mz.122-25.S.bin" 
> > > > > > 
> > > > > > 
> > > > > > This product contains cryptographic features and is subject 
> > > > > > to United 
> > > > > > States and local country laws governing import, export, 
> > > > > > transfer and 
> > > > > > use. Delivery of Cisco cryptographic products does not 
> > > > > > imply 
> > > > > > third-party authority to import, export, distribute or use  
> > > > > > encryption. 
> > > > > > Importers, exporters, distributors and users are 
> > > > > > responsible for 
> > > > > > compliance with U.S. and local country laws. By using this 
> > > > > > product  
> > > > > > you 
> > > > > > agree to comply with applicable laws and regulations. If 
> > > > > > you are  
> > > > > > unable 
> > > > > > to comply with U.S. and local laws, return this product 
> > > > > > immediately. 
> > > > > > 
> > > > > > A summary of U.S. laws governing Cisco cryptographic 
> > > > > > products may be 
> > > > > > found at: 
> > > > > > http://www.cisco.com/wwl/export/crypto/tool/stqrg.html 
> > > > > > 
> > > > > > If you require further assistance please contact us by 
> > > > > > sending email  
> > > > > > to 
> > > > > > export at cisco.com. 
> > > > > > 
> > > > > > Cisco 7206VXR (NPE-G1) processor (revision A) with 
> > > > > > 983040K/65536K  
> > > > > > bytes 
> > > > > > of memory. 
> > > > > > Processor board ID 21271177 
> > > > > > SB-1 CPU at 700Mhz, Implementation 1025, Rev 0.2, 512KB L2 
> > > > > > Cache 
> > > > > > 6 slot VXR midplane, Version 2.0 
> > > > > > 
> > > > > > Last reset from power-on 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > Is anyone aware of what this could be?  I am not running 
> > > > > > RPF. 
> > > > > > 
> > > > > > Brian 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > Brian Feeny, CCIE #8036, CISSP    	e: 
> > > > > > signal at shreve.net 
> > > > > > Network Engineer           			p: 
> > > > > > 318.213.4709 
> > > > > > ShreveNet Inc.             			f: 
> > > > > > 318.221.6612 
> > > > > > 
> > > > > > _______________________________________________ 
> > > > > > cisco-nsp mailing list  cisco-nsp at puck.nether.net 
> > > > > > https://puck.nether.net/mailman/listinfo/cisco-nsp 
> > > > > > archive at http://puck.nether.net/pipermail/cisco-nsp/ 
> > > > > > 
> > > > > > 
> > > > >  
> > > > > 
> > > > > 
> > > >  
> > > > Brian Feeny, CCIE #8036, CISSP 
> > > > Network Engineer 
> > > > ShreveNet Inc. 
> > > > 
> > > > 
> > >  
> > > _______________________________________________ 
> > > cisco-nsp mailing list  cisco-nsp at puck.nether.net 
> > > https://puck.nether.net/mailman/listinfo/cisco-nsp 
> > > archive at http://puck.nether.net/pipermail/cisco-nsp/ 
> > > 
> > > 
> > 
> 
> ------------------------------------------------------------------------------ 
> 
> Brian Feeny, CCIE #8036, CISSP    	e: signal at shreve.net 
> Network Engineer           			p: 318.213.4709 
> ShreveNet Inc.             			f: 318.221.6612  
> 
> 
> 


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