MCU codian performance

Unanswered Question
May 3rd, 2012
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Hi all,


as we knew that MCU is server hardware like others, but especially for Cisco MCU  Codian, maybe litle different.

anyone know what are factors which influence MCU performance (beside network factors) ?

because sometimes MCU get some problems like :

1. slow response (as example we too slow to open webconsole )

2. cause packetloss in each connection (per ports), but conference still can running.

3.  and in some cases make mcu get down (hang)


i try to assume that all of it because networks, then i try to make some environment :

1. peer-to-peer connection LAN only between my laptop and MCU

2. LAN use Switch Gigabit and connected only my laptop and MCU

3. also i don't forget to try change ethernet setting in MCU adapted with environment

4. also i make sure there is no packetloss within networks if i use point-to-point between 2 endpoints


BUT after i try all of it, mcu still problem like that


maybe this is hardware issue, but i want to know more, because in my company this problems occured in many cases in customers (more than 4 cases).

also i make sure that the environment (like datacenter, power, temperature is going alright too, but who knows ??).


please help.

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Garvan Long Thu, 05/10/2012 - 22:35
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What Model of Codian is it? 42XX, 45XX, 85xx


Do you have many permanet confernces configued on it? DO you have any logging/tracing left enabled that could be adding CPU load unintentionally ?


I would also take a sniffer trace of the MCU switch port to see if you are getting unicast flodding, broadcast stroms etc

ahmed Sun, 05/13/2012 - 19:24
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Hi Garvan,


our MCU were 42xx and 45xx, also we have 85xx but seems still normal for now

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