[cisco-voip] Remote CCM Subscriber upgrade from version 4 to 6 failed

[Wes Sisk]

Take a packet capture during hte install and observe traffic on UDP 
8500.  I bet it's not getting through the network.  The packets are very 
large UDP and may be IP fragmented.  Many firewalls disapprove (drop) IP 
fragmented large UDP.

/Wes

On 11/9/2008 6:07 PM, James Jung wrote:
>
> Hi
>
>  
>
> Upgrade for publisher and subscriber from ver 4 to ver 6 succeeded in 
> Auckland.
>
> And did another upgrade for the subscriber which is located in 
> Wellington, during which this server tried some connection test to 
> publisher.
>
> The first and second test was okay and the third test failed 
> complaining that it cannot talk to udp port 8500.
>
> The roundtrip time is average 15ms -- 20ms between Auckland and 
> Wellington.
>
> Anyone can help me about this?
>
>  
>
> Thanks in advance.
>
>  
>
> James.
>
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