Re: outbound load-balancing

From: shiran guez (shiranp3@gmail.com)
Date: Tue Feb 26 2008 - 15:57:22 ARST


this is equal cost load sharing, you can see that the load share is equal 1
to each one of the routes, also the load balancing is not a routing feature
but a the switching method

you can select either per-destination or per-packet, the unequal load
sharing can be done only with EIGRP when using Cisco router. the unequal
load share mean that you will be able to send for example: for 10 packet
going out you will be able to send 2 packet with one route and 8 packet with
another route.

the router do not support unequal load balancing using static routes!

On Tue, Feb 26, 2008 at 7:45 PM, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:

> Hi Rik,
>
> You can actually do unequal cost load-balancing on the outbound using
> static routes. Have a look at this (R1 and R3 are dual hommed to each
> other):
>
> 192.168.1.0/24
> R1 (.1) ---------------------------------------------- (.3) R3
> ----------------------------------------------
> 162.1.13.0/24
>
> R1#sh run | i ip route
> ip route 0.0.0.0 0.0.0.0 192.168.1.3
> ip route 0.0.0.0 0.0.0.0 162.1.13.3
> ip route 0.0.0.0 0.0.0.0 10.10.10.1
> ip route 0.0.0.0 0.0.0.0 10.10.10.3
> ip route 0.0.0.0 0.0.0.0 10.10.10.4
> ip route 10.10.10.1 255.255.255.255 192.168.1.3
> ip route 10.10.10.2 255.255.255.255 192.168.1.3
> ip route 10.10.10.3 255.255.255.255 192.168.1.3
> ip route 10.10.10.4 255.255.255.255 192.168.1.3
> R1#sh ip route 0.0.0.0
> Routing entry for 0.0.0.0/0, supernet
> Known via "static", distance 1, metric 0, candidate default path
> Routing Descriptor Blocks:
> * 192.168.1.3
> Route metric is 0, traffic share count is 1
> 162.1.13.3
> Route metric is 0, traffic share count is 1
> 10.10.10.4
> Route metric is 0, traffic share count is 1
> 10.10.10.3
> Route metric is 0, traffic share count is 1
> 10.10.10.1
> Route metric is 0, traffic share count is 1
>
> A nice trick there!
>
> Sadiq
>
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-- 
Shiran Guez
MCSE CCNP NCE1
http://cciep3.blogspot.com
http://www.linkedin.com/in/cciep3


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