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Old 05-09-2005, 04:10 AM   #1
thistleair
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Registered: Aug 2004
Location: Peterborough - UK
Distribution: RHEL 3ES, FC3, SLES 9, NLD9
Posts: 40

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Setup Dual nics for load balancing/failover


Hi All,

Could someone advise me as to how, if at all possible, I can setup a box running RHEL3 with two nics to:

1. Setup a fail-over in the event that one nic dies the other will automatically pick up the traffic.

2. Load balance the traffic over both interfaces

I've had a hunt and come up with nothing, so all and any help would be much appreciated.

TIA

Andy
 
Old 05-10-2005, 03:21 PM   #2
onewave
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Registered: Mar 2005
Posts: 8

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Andy

Who is the manufacturer of the NICs?

Visit their website and look for Linux NIC bonding drivers - bonding will allow you to have multiple NICs act as one NIC with fault-tolerant fail-over, and many bonding drivers have options for round robin load balancing between the NICs.

If your NIC manufacturer does not support Linux bonding, RHEL4 has it built-in.

I just finished bonding and vlan setup on a series of RHEL3 servers, so let me know if you need specific help once you find the drivers.

~ onewave
 
Old 05-11-2005, 03:18 AM   #3
thistleair
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Registered: Aug 2004
Location: Peterborough - UK
Distribution: RHEL 3ES, FC3, SLES 9, NLD9
Posts: 40

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Thanks onewave

The nics are HP NC7782 Dual Port PCI-X Gigabit nics or variations of. I'll give their drivers a shot and see how well I get on. I may still ask for a bit more help - if you don't mind?!

Andy
 
Old 05-11-2005, 01:31 PM   #4
onewave
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Registered: Mar 2005
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Sure, no problem.

This should be the driver you need:
http://h18023.www1.hp.com/support/fi...oad/22547.html

Its the same one I just setup, so go through the readme:
ftp://ftp.compaq.com/pub/products/se...0.4t-1.src.txt

and if you have any issues getting it to work I will try to help you out.

Best of luck!

~ onewave
 
Old 05-11-2005, 02:15 PM   #5
michaelsanford
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Registered: Feb 2005
Location: Ottawa/Montréal
Distribution: Slackware + Darwin (MacOS X)
Posts: 468

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This might help:
http://lartc.org/howto/lartc.rpdb.multiple-links.html
 
  


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