[nsp] Strange IOS behaviour

[Warren Kumari]

Yup, I have seen that happen a few times. The counters get up to 2^32 
(4294967296) and then start counting down again. I cannot remember what 
happens when it reaches 0...

This made some scripts that I wrote fairly unhappy and generated some 
weird graphs!

-- Warren.


On Jan 8, 2004, at 12:42 PM, Burns, Keith wrote:

> Hmmm, (yet) another Cisco developer who doesn't know how to display a 
> signed
> integer perhaps??? i.e. DON'T display as unsigned.
>
> Keith Burns
> Principal Network Architect
> ICG Telecommunications
> IP Ph: 303-414-5385
> Cell:   303-912-3777
>
> "The dogs may bark, but the caravan rolls on...."
>
>
>> -----Original Message-----
>> From: Wim De Houwer [mailto:wdehouwer at be.tiscali.com]
>> Sent: Thursday, January 08, 2004 9:51 AM
>> To: cisco-nsp at puck.nether.net
>> Subject: [nsp] Strange IOS behaviour
>>
>>
>> Hello All,
>>
>> I seem to have a strange 'thing' going on on one of my
>> 7500's, there are error counters that are not increasing but
>> Decreasing!!
>>
>> This is the reduced info from the 'show ver':
>> --------------------------------------------------------------
>> --------------------------------------------------------------
>> -----------------
>> IOS (tm) RSP Software (RSP-PV-M), Version 12.0(25)S1, EARLY
>> DEPLOYMENT RELEASE SOFTWARE (fc1)
>>
>> cisco RSP4 (R5000) processor with 262144K/2072K bytes of memory.
>> R5000 CPU at 200Mhz, Implementation 35, Rev 2.1, 512KB L2 Cache
>> 123K bytes of non-volatile configuration memory.
>> 20480K bytes of Flash PCMCIA card at slot 0 (Sector size 128K).
>> 8192K bytes of Flash internal SIMM (Sector size 256K).
>> --------------------------------------------------------------
>> --------------------------------------------------------------
>> -----------------
>> controller E1 2/1/0
>>  framing no-crc4
>>  channel-group 0 timeslots 1-24
>>  channel-group 1 timeslots 25-28
>>  channel-group 2 timeslots 29-31
>> !
>> interface Serial2/1/0:0
>>  ip unnumbered Loopback0
>>  no ip directed-broadcast
>>  encapsulation ppp
>> !
>> interface Serial2/1/0:1
>>  ip unnumbered Loopback0
>>  no ip directed-broadcast
>>  encapsulation ppp
>> !
>> interface Serial2/1/0:2
>>  ip unnumbered Loopback0
>>  no ip directed-broadcast
>>  encapsulation ppp
>> --------------------------------------------------------------
>> --------------------------------------------------------------
>> -----------------
>> bfr#sh int Serial2/1/0:0 | i protocol|error
>> Serial2/1/0:0 is up, line protocol is up
>>      4294966630 input errors, 4294966630 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>> bfr#sh int Serial2/1/0:1 | i protocol|error
>> Serial2/1/0:1 is up, line protocol is up
>>      4294966636 input errors, 4294966636 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>> bfr#sh int Serial2/1/0:2 | i protocol|error
>> Serial2/1/0:2 is up, line protocol is up
>>      4294966639 input errors, 4294966639 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>>
>> bfr#sh int Serial2/1/0:0 | i protocol|error
>> Serial2/1/0:0 is up, line protocol is up
>>      4294966624 input errors, 4294966624 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>> bfr#sh int Serial2/1/0:1 | i protocol|error
>> Serial2/1/0:1 is up, line protocol is up
>>      4294966630 input errors, 4294966630 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>> bfr#sh int Serial2/1/0:2 | i protocol|error
>> Serial2/1/0:2 is up, line protocol is up
>>      4294966633 input errors, 4294966633 CRC, 0 frame, 0
>> overrun, 0 ignored, 0 abort
>>      0 output errors, 0 collisions, 0 interface resets
>>
>> So if anyone has any good ideas on how to resolve this as
>> it's driving my monitoring software nuts...
>>
>> Thanks,
>>
>> Wim
>>
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