[nsp] PA-MC-2T3+ reporting traffic way too high

[Jeff Chan]

Thanks Jared!  So should we just sit and wait for S4?  1/2 :-)

How is everyone handling this?

Jeff C.
__

On Monday, July 21, 2003, 2:12:52 PM, Jared Mauch wrote:
> On Mon, Jul 21, 2003 at 01:56:38PM -0700, Jeff Chan wrote:
>> Hi All,
>> A netadmin friend suggested I sign up for this list so I thought
>> I'd see if you guys had some ideas about a possible bug we're
>> seeing.
>> 
>> We recently upgraded to 12.2(14)S3 and notice that the traffic
>> reported on a PA-MC-2T3+ in a 7513 on a VIP-2/50 is way too high:

>         I have a bug for this.

>         CSCeb68858

>         I've seen it both on all types of CT3 itnerfaces, both on
> PA-2T3+, PA-MC-2T3 series, and CT3IP50 boards.

>         - Jared

>> > supranet01>sh int Serial10/1/1/8:0
>> > Serial10/1/1/8:0 is up, line protocol is up
>> >   Hardware is cyBus 2CT3+
>> >   Description: AA Peering Point #1
>> >   Internet address is NN/30
>> >   MTU 1500 bytes, BW 1536 Kbit, DLY 20000 usec,
>> >      reliability 255/255, txload 26/255, rxload 48/255
>> >   Encapsulation PPP, crc 16, loopback not set
>> >   Keepalive set (10 sec)
>> >   LCP Open
>> >   Open: IPCP
>> >   Last input 00:00:11, output 00:00:00, output hang never
>> >   Last clearing of "show interface" counters 16:30:49
>> >   Input queue: 0/75/0/11 (size/max/drops/flushes); Total output drops: 1569
>> >   Queueing strategy: fifo
>> >   Output queue: 0/40 (size/max)
>> >   5 minute input rate 9545000 bits/sec, 3026 packets/sec
>> >   5 minute output rate 12496000 bits/sec, 2970 packets/sec
>> >      2341811 packets input, 778137258 bytes, 0 no buffer
>> >      Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
>> >      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 1 abort
>> >      2477327 packets output, 1393787280 bytes, 0 underruns
>> >      0 output errors, 0 collisions, 0 interface resets
>> >      0 output buffer failures, 0 output buffers swapped out
>> >      2 carrier transitions no alarm present
>> >   Timeslot(s) Used: 1-24, Transmitter delay is 0 flags, transmit queue length 5
>> >   non-inverted data
>> 
>> How can an interface with 1536 Kb of bandwidth report or do 9
>> and 12 megabits of traffic?  The answer is that it can't.  :)
>> The 5 minute average values our mrtg is picking up by snmp also
>> got spikey after the upgrade.  The peak values may be correct
>> but the average seems missing, filtered out, or too low.
>> 
>> We did turn of cef since it seemed to cause a problem, possibly
>> with ISL.  (We plan to move to Dot1Q for trunking vlans later.)
>> 
>> Has anyone else seen this?
>> 
>> Cheers,
>> 
>> Jeff C.
>> -- 
>> Jeff Chan
>> mailto:cisco-nsp at jeffchan.com
>> http://www.jeffchan.com/
>> 
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-- 
Jeff Chan
mailto:cisco-nsp at jeffchan.com
http://www.jeffchan.com/