[c-nsp] high cpu on VIP in 7507

Michael K. Smith - Adhost mksmith at adhost.com
Tue Jul 6 14:40:46 EDT 2010


Ahh, okay.  Are you running DCEF globally and CEF switching on the
interface?

Mike

--
Michael K. Smith - CISSP, GSEC, GISP
Chief Technical Officer - Adhost Internet LLC mksmith at adhost.com
w: +1 (206) 404-9500 f: +1 (206) 404-9050
PGP: B49A DDF5 8611 27F3  08B9 84BB E61E 38C0 (Key ID: 0x9A96777D)


> -----Original Message-----
> From: Troy Beisigl [mailto:troy at i2bnetworks.com]
> Sent: Tuesday, July 06, 2010 11:39 AM
> To: Michael K. Smith - Adhost
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] high cpu on VIP in 7507
> 
> Actually, we had a bad PA that I replaced, but did not clear the
> counters. The errors are not incrementing. I just now cleared the
> counters on this interface to make sure. We installed the VIP4/80 to
> replace the VIP2/50 that was in there with the same issue except that
> it was at 99% CPU 40-60% of the time.
> 
> -Troy
> 
> 
> 
> On Jul 6, 2010, at 11:30 AM, Michael K. Smith - Adhost wrote:
> 
> > It looks like you have a physical-layer problem, given the number of
> > framing errors in the output you provided.
> >
> > Mike
> >
> > --
> > Michael K. Smith - CISSP, GSEC, GISP
> > Chief Technical Officer - Adhost Internet LLC mksmith at adhost.com
> > w: +1 (206) 404-9500 f: +1 (206) 404-9050
> > PGP: B49A DDF5 8611 27F3  08B9 84BB E61E 38C0 (Key ID: 0x9A96777D)
> >
> >
> >> -----Original Message-----
> >> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> >> bounces at puck.nether.net] On Behalf Of Troy Beisigl
> >> Sent: Tuesday, July 06, 2010 10:59 AM
> >> To: cisco-nsp at puck.nether.net
> >> Subject: [c-nsp] high cpu on VIP in 7507
> >>
> >> Hi.
> >>
> >> We are seeing a problem with high cpu usage on a VIP4/80 card when
> >> traffic hits above 10Mbps. Has anyone seen this type of behavior?
> >> Details are below.
> >>
> >>
> >> The IOS version is rsp-pv-mz.124-23.
> >>
> >> GigabitEthernet6/0/0 is up, line protocol is up
> >>   Hardware is cyBus GigabitEthernet Interface, address is
> >> 0003.32fd.f0c0 (bia 0003.32fd.f0c0)
> >>   Description: feed to cat1.5/6
> >>   Internet address is X.X.X.X/28
> >>   MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
> >>      reliability 255/255, txload 5/255, rxload 6/255
> >>   Encapsulation ARPA, loopback not set
> >>   Keepalive set (10 sec)
> >>   Full-duplex, 1000Mb/s, link type is autonegotiation, media type
is
> > SX
> >>   output flow-control is XON, input flow-control is XON
> >>   ARP type: ARPA, ARP Timeout 04:00:00
> >>   Last input 00:00:00, output 00:00:00, output hang never
> >>   Last clearing of "show interface" counters 7w6d
> >>   Input queue: 0/75/38707/81008 (size/max/drops/flushes); Total
> >> output drops: 10276
> >>   Queueing strategy: fifo
> >>   Output queue: 0/40 (size/max)
> >>   30 second input rate 24360000 bits/sec, 4195 packets/sec
> >>   30 second output rate 21260000 bits/sec, 4126 packets/sec
> >>      9833124494 packets input, 4733684298220 bytes, 0 no buffer
> >>      Received 11921351 broadcasts, 0 runts, 0 giants, 1350
throttles
> >>      2683847777 input errors, 0 CRC, 2683489514 frame, 4395
overrun,
> >> 370684 ignored
> >>      0 watchdog, 11568950 multicast, 0 pause input
> >>      0 input packets with dribble condition detected
> >>      10530489310 packets output, 7707156852297 bytes, 0 underruns
> >>      0 output errors, 0 collisions, 4 interface resets
> >>      6002 unknown protocol drops
> >>      0 babbles, 0 late collision, 0 deferred
> >>      8 lost carrier, 0 no carrier, 0 pause output
> >>      0 output buffer failures, 0 output buffers swapped out
> >>
> >> VIP-Slot6   10:43:52 AM Tuesday Jul 6 2010 PDT
> >>
> >>
> >>     111111111111111111111111111111111111111111111111111111111111
> >>     222233333222221111100000333331111100000222223333322222222221
> >> 100
> >>  90
> >>  80
> >>  70
> >>  60
> >>  50
> >>  40
> >>  30
> >>  20
> >>  10
> >>
> **********************************************************
> >> **
> >>    0....5....1....1....2....2....3....3....4....4....5....5....6
> >>              0    5    0    5    0    5    0    5    0    5    0
> >>                CPU% per second (last 60 seconds)
> >>
> >>
> >>     151111351111111511852381153122211111212111161211118331181111
> >>     415869924534233096537174664310543638877434467042630685635444
> >> 100
> >>  90                   *   *
> >>  80                   *   *                           *    *
> >>  70                   *   *                    *      *    *
> >>  60                   *   *  *                 *      *    *
> >>  50  *     *       *  **  *  *                 *      *    *
> >>  40  *    **       *  **  *  *                 *      ***  *
> >>  30  *    **       *  *****  **   *     * *    *      ***  #
> >>  20  #****## *     ***##**# *#* ***  * ****    #**  * #****#*
> >>  10
> >>
> ##########################################################
> >> ##
> >>    0....5....1....1....2....2....3....3....4....4....5....5....6
> >>              0    5    0    5    0    5    0    5    0    5    0
> >>                CPU% per minute (last 60 minutes)
> >>               * = maximum CPU%   # = average CPU%
> >>
> >>
> >>     996111  11 2111177379959211 1      1  1     211591 11    1
> >> 259 28254
> >>
> >>
> 9900609912980001946199499209488679907788898952209380097990899998299
> >> 34946
> >> 100 **                  ** *
> >> *                *
> >>  90 **                  ** *                        *
> > *
> >>  80 **              *   ** *                        *
> >> *  *
> >>  70 **              ** *** *                        *
> >> *  *
> >>  60 ***             ** *** *                        *
> >> *  *
> >>  50 ***             ** *****                       **
> >> **  * **
> >>  40 ***             ********                       **
> >> **  * **
> >>  30 ***        *    *********                   *  **
> >> ***  ****
> >>  20 *** *      *    *********             *     *  **
> >> *** *****
> >>  10
> >>
> #############################*********#**#*#######*******#
> >> *******#****#*
> >>
> >> 0
> >>
> > ....
> > 5....1....1....2....2....3....3....4....4....5....5....6....6....7..
> >>              0    5    0    5    0    5    0    5    0    5    0
> >> 5    0
> >>                    CPU% per hour (last 72 hours)
> >>                   * = maximum CPU%   # = average CPU%
> >>
> >>
> >>
> >> Thanks,
> >>
> >> -Troy
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> 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/




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