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Fibre Channel (SAN)

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Anonymous
Posts: 0

Re: High rate of Zero BB Credits per seconds on E-Ports

1-best partice = mode 3 for the fill word on all 8Gb port, if memory serves me correct

2-yes best to keep the settings the same on both end, unless the platform does not support it

3-could be, only one way to find out, alternatively your average framesize is smaller than anticipated, consider recalculating the framessize and adjust the distance if needed

4-changing fillword is disruptive to the port

 

Calculating the required credits been posted on the forum before

Look at http://community.brocade.com/t5/Fibre-Channel-SAN/Long-Distance-Design-Buffer-Credits/td-p/29147

http://community.brocade.com/t5/Mainframe-Solutions/Buffer-Credits-and-Frame-Size-calculation-in-FOS-7-1/ba-p/455

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