RE: static route stupid question

From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Sun Apr 02 2006 - 03:54:33 GMT-3


The question wasn't about per packet or per destination load balancing.
The question was how to use static routes to send twice as much traffic
on one serial link over another serial link.

HTH,

Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
bdennis@internetworkexpert.com
 
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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-----Original Message-----
From: Henk de Tombe [mailto:henk.de.tombe@qi.nl]
Sent: Saturday, April 01, 2006 10:43 PM
To: Brian Dennis; Victor Cappuccio; CCIE LAB
Subject: RE: static route stupid question

Hi,

Hi,

To load balance per packet you can use the following options:

no ip route-cache under each interface, this causes each packets to be
forwarded by the CPU.

ip load-sharing per-packet with CEF enabled on the router, this does the
same thing as no ip route-cache but now packets are processed in
hardware.

The default is to load-balance per destination.

Regards,
Henk

-----Oorspronkelijk bericht-----
Van: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Namens Brian
Dennis
Verzonden: zondag 2 april 2006 2:59
Aan: Victor Cappuccio; CCIE LAB
Onderwerp: RE: static route stupid question

You would use secondary addressing and point additional static routes to
the secondary addresses.

Router#sho run int s0/0
Building configuration...

Current configuration : 132 bytes
!
interface Serial0/0
 ip address 10.1.2.1 255.255.255.0 secondary
 ip address 10.1.1.1 255.255.255.0
end

Router#sho run int s0/1
Building configuration...

Current configuration : 74 bytes
!
interface Serial0/1
 ip address 172.16.1.1 255.255.255.0
end

Router#sho run | in ip route
ip route 0.0.0.0 0.0.0.0 10.1.1.2
ip route 0.0.0.0 0.0.0.0 10.1.2.2
ip route 0.0.0.0 0.0.0.0 172.16.1.2
Router#

With this configuration S0/0 will be theoretically utilized twice as
much as S0/1.

HTH,

Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
bdennis@internetworkexpert.com
 
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)
 
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Victor Cappuccio
Sent: Saturday, April 01, 2006 2:49 PM
To: CCIE LAB
Subject: static route stupid question

Hello List, I have a real gap in my static route knowledge So please
excuse this very stupid question.- it's just that I'm far away from a
couple off routers to this test..

Could you do load balancing using static routes??
Lets say that you have

.|---------------B--------|
A |-Destination
.|---------------C--------|

Never mind the L3  L2 address resolution, let just say that they are
point to point links, so with out the use of any routing protocol, how
could you configure A to load balance (per packet based.- Process
Switching.) to B and to C, saying that you should send 3 packets to B
and 6 packets to C

Could this be possible??

Thanks
Victor.-



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