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тАО09-04-2010 12:28 AM
тАО09-04-2010 12:28 AM
We are sending packets on 5Mpps from external server (with ixgbe card) through UPlink X2 to a server blade with BroadCom 10G LOM through internal port d15.
We saw the received amount of 1.8Mpps!! then we monitored the UPlink X2 and d15 internal port.
The IN traffic to X2 was 5Mpps but the OUT traffic of d15 port was 1.8 Mpps!!!
It seems that flex-10 itself drops the packets!!!
Is it possible???
Solved! Go to Solution.
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тАО09-05-2010 11:48 PM
тАО09-05-2010 11:48 PM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
whats the speed of the assigned network in the pofile of the blade where you are sending the packets? >= 5MB ?
Which Version of bnx2x-driver are you using.
>= 1.52-14 ?
Which OS?
regards, Frank
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тАО09-06-2010 10:56 AM
тАО09-06-2010 10:56 AM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
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тАО09-11-2010 11:44 PM
тАО09-11-2010 11:44 PM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
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тАО09-13-2010 09:07 AM
тАО09-13-2010 09:07 AM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
While you are checking the per-core CPU utilization on the blade, you can also look at the ethtool -S statistics and see if any of them talk about sending pause frames.
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тАО09-15-2010 04:53 AM
тАО09-15-2010 04:53 AM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
I clarified my purpose here:
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1447807
Anyway, it would be great if there could be anyway to turn off the flow control of either the FlexNIC or Flex-10 VC.
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тАО09-15-2010 05:32 AM
тАО09-15-2010 05:32 AM
SolutionTo turn it off log in to the CLI and issue the following command:
set advanced-networking FlowControl=off
*** IMPORTANT - you need to do this in a scheduled downtime or be aware that when you make this setting the VC downlink ports will be temporarily disconnected to affect the change.
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тАО09-15-2010 10:44 PM
тАО09-15-2010 10:44 PM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
And a point! what is PacketBufferOverallocationRatio Parameter?
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тАО09-17-2010 11:28 PM
тАО09-17-2010 11:28 PM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
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тАО09-20-2010 05:01 AM
тАО09-20-2010 05:01 AM
Re: Flex-10 VC Drops Packets @ 5 Mega Packet Per Second
Are embedded NICs of Proliant G6 Blade Servers assumed as ports of a single dual-port ethernet card or two different single-port cards?