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Webcast-Catalyst9k
New Member

load sharing over 2 t-1's

I have 2 t-1's in a router, I'm using static routes. How does the IOS decide which t-1 to send traffic over?

thanks,

3 REPLIES
Bronze

Re: load sharing over 2 t-1's

The IOS will automatically load share over, up to 4, equal cost paths but at the session, rather than at the packet, level.

You can force it to load share on a per packet basis by disabling fast switching,

no ip route-cache

on the interface but this is not recommended as it will impact the router's performance.

New Member

Re: load sharing over 2 t-1's

thanks, I'm reading about all this as I go along, would CEF be of any value?

Gold

Re: load sharing over 2 t-1's

Yes, you want to run CEF... CEF will load share based on the source and destination addresses.

http://www.cisco.com/en/US/products/hw/modules/ps2033/prod_technical_reference09186a00800afeb7.html

:-)

Russ.W

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