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Skinny Msg Server CPU Peak

vfboliveira
Level 1
Level 1

Hi there,

I have some problems in a Cisco UC540 with "Skinny Msg Server" having some CPU peaks. During peak all services are unavailable (calls, intermet access, etc. - this UC540 is our internet gateway):

  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)

  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%

  100 *                                             *                **

   90 *                                             *                **

   80 *                                             *                **

   70 *                  *                          *                *****  *

   60 *                  *            *             *                ****** **

   50 *     ***  *   *   *           ***            *               ******* **

   40 *     *** **   *   ** *        ***  *    **   **       ***    **********


CPU utilization for five seconds: 72%/26%; one minute: 80%; five minutes: 59%

PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process

127     5803268    11898184        487 27.64% 43.85% 28.49%   0 Skinny Msg Serve

352         356          55       6472  5.82%  0.46%  0.09%  67 SSH Process

240      197724      327994        602  2.82%  0.43%  0.27%   0 Crypto IKMP

118    45398476   121106202        374  2.74%  2.06%  2.38%   0 IP Input

   6     3598144      375574       9580  1.13%  0.33%  0.28%   0 Check heaps

  77       41396        8074       5127  1.05%  0.10%  0.02%   0 crypto engine pr

What could be the problem? What can i do to avoid this problem?

Thanks in advance for your support.

Best regards,

V

3 Replies 3

paolo bevilacqua
Hall of Fame
Hall of Fame

Which IOS version are you using? Do you have an ACL blocking SCCP on internet interface ?

Hi Paolo,

First of all thanks for your reply.

1) Version 15.1(2)T2

2)

interface FastEthernet0/0

description $FW_OUTSIDE$

ip address XXX.XXX.XXX.XXX XXX.XXX.XXX.XXX

ip access-group 102 in

ip nat outside

ip inspect SDM_MEDIUM out

ip virtual-reassembly in

duplex auto

speed auto

service-policy input sdmappfwp2p_SDM_MEDIUM

end

UC540#show ip access-lists 102

Extended IP access list 102

     [...permits omitted...]

    140 deny ip 192.168.100.0 0.0.0.255 any

     [...permits omitted...]    

    200 deny ip 10.0.0.0 0.255.255.255 any

    210 deny ip 172.16.0.0 0.15.255.255 any

    220 deny ip 192.168.0.0 0.0.255.255 any

    230 deny ip 127.0.0.0 0.255.255.255 any

    240 deny ip host 255.255.255.255 any

    250 deny ip host 0.0.0.0 any

    260 deny ip any any log (636 matches)

The internal network is 192.168.100.0/24.

Best regards,

V

Update IOS then check again.