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From: N N Ashok <nalkunda@cse.msu.edu>
To: lartc@vger.kernel.org
Subject: [LARTC] Multipath and equalize.
Date: Sun, 06 Apr 2003 06:18:17 +0000	[thread overview]
Message-ID: <marc-lartc-104961004207609@msgid-missing> (raw)

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Hi All,
    I have gone through this list carefully but have still not got an answer 
to my question. I hope somebody will clear it.
    I understand the concept of multipath in routing but dont know how the 
'equalize' option affects routing. From what I read, multipath specifies a 
list of interfaces (nexthops) to use for a given route. Whenever a route is 
looked up in the FIB, each interface (nexthop) is used according the 'weight' 
assigned to it during the route setup. By default the weights are assigned a 
value of 1 which results in each of the interface being used approximately 
equally.
    I read that 'equalize' option is suppossed to distribute the load on a 
per-packet basis. But the stock kernel does not seem to do it. I read the 
equalize patch provided by Patrick McHardy, <kaber@trash.net> at 
http://trash.net/~kaber/. This does achieve the per-packet load-balancing.
   I wanted to know what does the 'equalize' option do in the kernel without 
this patch. Can anyone help me with this?

Thanks,
Ashok

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             reply	other threads:[~2003-04-06  6:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-06  6:18 N N Ashok [this message]
2003-04-06 12:21 ` [LARTC] Multipath and equalize Patrick McHardy
2003-04-06 22:12 ` N N Ashok

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