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Webcast-Catalyst9k
New Member

Load balancing in Cisco router?

Hi,

I got a Cisco 2811 with two HWICs connected to two ISP's and a WIC which is connected to internal. I have default route to both ISP's in the router configuration. How can I do load balancing so that half of my traffic go through one ISP and the remaining go via the other ISP?

- Ribin

4 REPLIES
VIP Super Bronze

Re: Load balancing in Cisco router?

Hi Ribin,

You can load share your traffic using route maps.  Have a look at this example on how to load share with 2 ISPs.

http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a00800945bf.shtml#conf4

HTH

Reza

New Member

Re: Load balancing in Cisco router?

I think this example explains load balancing using BGP. I don't have BGP in place.

- Ribin

New Member

Re: Load balancing in Cisco router?

Hello ribin. configure ip cef globally on the router and the router's switching process will automatically perform per destination load balancing over both default routes. You can also configure CEF to do per packet load balancing. on the interfaces configure ip load-sharing per-packet (depending on the ios version).

without IP cef, you'll still get perdestination load balancing by default.

Hall of Fame Super Gold

Re: Load balancing in Cisco router?

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