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тАО09-05-2007 04:49 AM
тАО09-05-2007 04:49 AM
Transmit load balancing across 3020s
From what I understand, in the Cisco world you need to cluster switches in order to support 802.3ad transmit load balancing across multiple switches. Further, according to this: http://www.cisco.com/en/US/products/ps6748/products_installation_guide_chapter09186a008065b0fc.html the 3020 blade switches do not support clustering.
The question is thus - how does one setup transmit load balancing across the 2 (or 4) NICs in a blade enclosure equipped with 3020 switches?
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тАО09-05-2007 06:39 AM
тАО09-05-2007 06:39 AM
Re: Transmit load balancing across 3020s
To get transmit load balancing, simply team the 2 or 4 NICs together. The Automatic teaming mode will try to negotiate 802.3ad and when it can't form a 2 or 4 port LAC channel it will fall back to the Transmit Load Balancing Mode.
Teaming Whitepaper:
http://h71028.www7.hp.com/ERC/downloads/4AA0-1139ENW.pdf?jumpid=reg_R1002_USEN
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тАО09-05-2007 06:51 AM
тАО09-05-2007 06:51 AM
Re: Transmit load balancing across 3020s
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тАО09-06-2007 03:24 AM
тАО09-06-2007 03:24 AM
Re: Transmit load balancing across 3020s
There was a teaming mode called Dual Channel SLB or Dual Channel 802.3ad that would give you Send and Receive Load Balancing but it was only available via purchasing an INP (Intelligent Networking Pack) license. This license however is no longer available. I'm not sure how you can get those modes of teaming now:
http://h18004.www1.hp.com/products/servers/proliantessentials/inp/index.html?jumpid=reg_R1002_USEN
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тАО09-06-2007 03:27 AM
тАО09-06-2007 03:27 AM
Re: Transmit load balancing across 3020s
You are in better luck with Linux and bonding. If you use bonding mode 6 (balance-alb) you can get send and receive load balancing. See balance-alb from here:
http://www.mjmwired.net/kernel/Documentation/networking/bonding.txt