Vazir,

Not at the moment. It currently combines everything destine to the same MAC address on to a single frame (which could overflow 1500 bytes.) You may have multiple MAC address destinations with multiple sub-addresses in zaptel.conf: ie 4 MAC addresses with 7 spans each equaling 28 T1s.

It could be extended to split up the frame destine to the same MAC address onto multiple Ethernet frames based on the sub-address, such that:

V = Configured Span Number
Actual Ethernet Frame # = (V >> 3)
Actual Sub-Address = (V mod 7)

This would then allow more than 7 T1 spans to the same MAC address, by using multiple Ethernet frames.

Thanks,
-Joe
Thralling Penguin LLC


Vazir wrote:
Joseph,

Does your driver splits the load over different frames if over 7 spans have to be used, but we do not want to use a single frame in the size over 1500b, in other word, is there a way of limiting the ethernet frame size?

On 11 May 2007 17:56, Joseph Benden wrote:
Hello,

I have developed an extension protocol for TDMoE to allow
multiple TDM spans to be coalesced in to a single frame
that is sent and received on the physical network layer.
This new process was designed to increase the efficiency
of TDMoE allowing for high-density telephony
applications.

More information is available here:

http://www.thrallingpenguin.com/articles/tdmoe-mf.htm

Thanks,
-Joseph Benden
Thralling Penguin LLC

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