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IP SLA probes between 2900 (15.0) and 2800 (12.4)

Hello,

I've problem with IP SLA probes between two different routers.

2900 (c2900-universalk9_npe-mz.SPA.151-4.M4.bin) here is set "ip sla responder" only

and

2800 (c2800nm-advipservicesk9-mz.124-24.T2.bin) here is set two type of tests "udp-jitter" and "icmp-jitter" - temporary, used to check for availability of 2900 router.

As a result, I've what udp-jitter doesn't work at the same time icmp-jitter test is OK.

Here are the settings of IP SLA tests

ip sla 281

icmp-jitter 172.25.28.1 source-ip 192.168.28.6 num-packets 100

tos 128

frequency 120

ip sla schedule 281 life forever start-time after 00:05:45

ip sla 284

udp-jitter 172.25.28.1 28287 source-ip 192.168.28.6 num-packets 100

tos 128

frequency 120

ip sla schedule 284 life forever start-time after 00:06:00

clock works correctly on both routers,

I've trying to setup "ip sla responder udp-echo port 28287" on 2900 router, but this has no effect.

2800#sh ip sla statistics 281

IPSLAs Latest Operation Statistics

IPSLA operation id: 281

Type of operation: icmp-jitter

        Latest RTT: 11 milliseconds

Latest operation start time: 10:06:25.266 MSK Fri Apr 12 2013

Latest operation return code: OK

RTT Values:

        Number Of RTT: 100              RTT Min/Avg/Max: 11/11/13

Latency one-way time:

        Number of Latency one-way Samples: 23

        Source to Destination Latency one way Min/Avg/Max: 12/12/13

        Destination to Source Latency one way Min/Avg/Max: 1/1/1

Jitter Time:

        Number of SD Jitter Samples: 99

        Number of DS Jitter Samples: 99

        Source to Destination Jitter Min/Avg/Max: 0/1/1

        Destination to Source Jitter Min/Avg/Max: 0/1/1

Packet Late Arrival: 0

Out Of Sequence: 0

        Source to Destination: 0        Destination to Source 0

        In both Directions: 0

Packet Skipped: 0       Packet Unprocessed: 0

Packet Loss: 0

        Loss Period Length Min/Max: 0/0

Number of successes: 7

Number of failures: 0

Operation time to live: Forever

2800#sh ip sla statistics 284

IPSLAs Latest Operation Statistics

IPSLA operation id: 284

Type of operation: udp-jitter

        Latest RTT: NoConnection/Busy/Timeout

Latest operation start time: 10:06:40.522 MSK Fri Apr 12 2013

Latest operation return code: Timeout

RTT Values:

        Number Of RTT: 0                RTT Min/Avg/Max: 0/0/0 milliseconds

Latency one-way time:

        Number of Latency one-way Samples: 0

        Source to Destination Latency one way Min/Avg/Max: 0/0/0 milliseconds

        Destination to Source Latency one way Min/Avg/Max: 0/0/0 milliseconds

Jitter Time:

        Number of SD Jitter Samples: 0

        Number of DS Jitter Samples: 0

        Source to Destination Jitter Min/Avg/Max: 0/0/0 milliseconds

        Destination to Source Jitter Min/Avg/Max: 0/0/0 milliseconds

Packet Loss Values:

        Loss Source to Destination: 0           Loss Destination to Source: 0

        Out Of Sequence: 0      Tail Drop: 0

        Packet Late Arrival: 0  Packet Skipped: 0

Voice Score Values:

        Calculated Planning Impairment Factor (ICPIF): 0

        Mean Opinion Score (MOS): 0

Number of successes: 0

Number of failures: 7

Operation time to live: Forever

2900#sh ip sla respo

        General IP SLA Responder on Control port 1967

General IP SLA Responder is: Enabled

Number of control message received: 5113 Number of errors: 0

Recent sources:

        192.168.28.6 [10:26:40.537 MSK Fri Apr 12 2013]

        172.23.0.252 [10:26:18.125 MSK Fri Apr 12 2013]

        172.23.0.254 [10:26:16.361 MSK Fri Apr 12 2013]

        172.23.0.254 [10:26:14.817 MSK Fri Apr 12 2013]

        172.23.0.254 [10:26:12.825 MSK Fri Apr 12 2013]

Recent error sources:

        Permanent Port IP SLA Responder

Permanent Port IP SLA Responder is: Enabled

udpEcho Responder:

  IP Address             Port

  0.0.0.0               28287

  ::                    28287

Thank for advice!


Everyone's tags (2)
3 REPLIES 3
Engager

Re: IP SLA probes between 2900 (15.0) and 2800 (12.4)

Hi,

Can you post the IP SLA configuration from the Cisco 2900 router? I never normally specify the port on the responder, so leaving it to the IP SLA control protocol to negotiate and communicate that between probe and responder.

Also are you able to run debug ip sla error 0 on the IP SLA responder and post that output here?

Regards

Re: IP SLA probes between 2900 (15.0) and 2800 (12.4)

Hi,

Configuration from 2900 router are below.

I've turned on debug, and here are no any errors.

2900#sh run | i ip sla

ip sla responder

2900#deb ip sla err 0

2900#term mon

2900#

2900#

2900#sh ip sla respo

General IP SLA Responder on Control port 1967

General IP SLA Responder is: Enabled

Number of control message received: 7335 Number of errors: 0

Recent sources:

172.23.0.252 [14:41:20.692 MSK Sat Apr 13 2013]

172.23.0.254 [14:41:18.984 MSK Sat Apr 13 2013]

172.23.0.254 [14:41:17.392 MSK Sat Apr 13 2013]

172.23.0.254 [14:41:15.400 MSK Sat Apr 13 2013]

192.168.28.6 [14:40:42.200 MSK Sat Apr 13 2013]

Recent error sources:

Permanent Port IP SLA Responder

Permanent Port IP SLA Responder is: Disabled

There are errors in the messages of 2800 router debug.

2800#deb ip sla error 284

IP SLA ERROR debugging for entry 284 is on

2800#

Apr 13 10:53:07.213: IP SLAs(284) jitter operation: Interval Timer invoked 1088 times Packets not sent out 14 times

Apr 13 10:57:07.221: IP SLAs(284) jitter operation: Interval Timer invoked 1188 times Packets not sent out 1 times


Re: IP SLA probes between 2900 (15.0) and 2800 (12.4)

This may be related to the license of 2900 router?

Technology Package License Information for Module:'c2900'

-----------------------------------------------------------------

Technology    Technology-package           Technology-package

              Current       Type           Next reboot 

------------------------------------------------------------------

ipbase        ipbasek9      Permanent      ipbasek9

security      None          None           None

uc            uck9          Permanent      uck9

data          None          None           None

In the opposite direction test works correctly.

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