[asterisk-dev] Re: TDMoE protocol

Kevin P. Fleming kpfleming at digium.com
Wed Feb 22 10:11:59 MST 2006


Tony Mountifield wrote:

>>. Assuming the above statement is true, 256 channels would be 2048
>>bytes, which is larger than a single Ethernet frame. So why two bytes
>>for # of channels? Maybe gigabit 'jumbo' frames? Or just general future
>>expansion?
> 
> 
> The packet format is not ethernet specific. If running over Ethernet,
> then yes, you are restricted to about 174 channels per span.

Jumbo frames are certainly possible here... using 9Kb frames would allow
for approximately 1100 channels or so. Should be adequate :-)



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