Re: ASA 5520 load balancing

ASAs can do load balance, but kind of tricky/restricted.
I doubt that they do (honour) variance, but they can have 3 alternate
next hops for a route if memory serves. They have to be on the same
output interface though.

http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/route_overview.html

-Carlos

Joseph L. Brunner @ 1/12/2010 10:26 -0300 dixit:
> They way to load balance firewalls correctly is with a CSM behind and in back of the firewalls;
>
> But, within the single box- no. due to the way the firewalls secures traffic and builds connections, I have never got "two outbound" interfaces to send traffic
> They way a router with CEF turned off or tuned can.
>
> :)
>
> What challenge are you trying to overcome?
>
> First link on ASA to a low bandwidth Internet link?
>
> Perhaps the ASA is not the correct device to use in this scenario as the "load balancing router". I would put a router designed for this in front of the asa to terminate the isp connections.
>
> Thanks!
>
> -Joe
> #19366
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Mahmoud Nossair
> Sent: Wednesday, December 01, 2010 2:41 AM
> To: ccielab_at_groupstudy.com
> Cc: Mahmoud Nossair
> Subject: ASA 5520 load balancing
>
> Dear Experts.
>
>
>
> I am afraid this question a way from CCIE R&S, but I need to ask:
>
>
>
> Does ASA 5520 v.8 software support Unequal Cost load balancing (By using
> VARIANCE Command)?
>
>
>
>
>
> Best Regards,
>
>
>
> ==============================
>
> Mahmoud Nossair
>
> Senior Network Engineer.
>
> MCS.
>
>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net