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FAQ--EGSH board specifications detail

Publication Date:  2012-07-25 Views:  55 Downloads:  0
Issue Description
In 8800 equipment, EGSH baords are using for ethernet communication.Problem is that when packet size is more than 1486 then not able to ping that router.
Alarm Information
Packets will be lost in that case.
Handling Process
EGSH board: 
VCTUCK1--VCTUCK4 support long package.
VCTUCK5--VCTUCK16 only support shot package.
EGSH delivery document have this limit.
If the package size more then 1500, it is long package.
like customer ping 1485, the package size is Dmac + Smac + type + CRC = 1485 + 18 = 1503, this is long package.
Mail from R & D is attached for refernce.
Root Cause
After checking all the configurations on router end or EGSH board,found that it is the limitation of VC Trunk that we are mapping in EGSH board.
Suggestions
So, kindly ensure that if we want to use long packets/ jumbo frame then we have to use VC Trunk 1-4 in this case, otherwise we will not able to ping router.

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