[cisco-voip] a strange flood of packets from ccm
Ryan Ratliff
rratliff at cisco.com
Tue May 4 13:12:20 EDT 2004
An IP phone will maintain a TCP session, and send skinny keepalives, to
every CM that it could potentially be registered with (ie in its CM group).
Only the CM that it is currently registered with will respond to the
keepalive though. The message below means that CM was a backup CM for that
particular phone, so there was no need to respond to the keepalive. It is
not related to your problem and is completely normal.
-Ryan
----- Original Message -----
From: "Leonardo D'Urso" <durso at alter.it>
To: <cisco-voip at puck.nether.net>
Sent: Tuesday, May 04, 2004 11:55 AM
Subject: RE: [cisco-voip] a strange flood of packets from ccm
>
> thanks Wes, for reply. In the trace I have seen a lot of this
> packets:
>
> <trace><Date>05/04/2004 15:10:56.514
> </Date><Cluster>CCMPUB1-Cluster</Cluster><CMHost>10.89.5.1<
>
/CMHost><TraceType>Trace</TraceType><CTag>1,100,93,1.81286</CTag><SrcDev></S
rcDev><SrcIp>10.89.52.17</Sr
> cIp><CTMapKey/><CTMapVal/><info>Cisco CallManagerStationInit -
> KeepAliveMessage received on backup CM li nk. Setting KeepAlive Timer.
> DeviceName=, TCPHandle=000003290, IPAddr=10.89.52.17, Port=6994, Device
> Controller=[0,0,0]</info></trace>
>
> I think this could be related to the flood.
>
> --
> Leonardo D'Urso alter.net Srl
> e-mail: durso at alter.it Via Attilio Ambrosini, 177
> VOICE: +39-06-5405740 I-00147 Roma
> FAX: +39-06-5405883 Italy
>
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