How to send traffic through to 2nd outside interface??

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Jun 25th, 2010
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Guys,


I've got a new ASA 5510.  Currently have two outside interfaces.  I've set default gateways for both.  One using a metric of 1, the other using a metric of 2.  I've tried sever different ways of sending certain traffic to outside1 and others to outside2, but hasn't worked.  All internet traffic is currenlt going out outside1.  I'm not using " nat (inside) 1 0.0.0.0 0.0.0 ", instead, I'm identifing by subnet.  I've tried sending a host out outside2 by using: " nat (inside) 2 x.x.x.x x.x.x.x ", but still no go.  Any ideas?  Can it even be done?

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Panos Kampanakis Fri, 06/25/2010 - 10:47
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  • Cisco Employee,

You also n

eed to change the routes on the ASA. In other words if you have

nat (inside) 1 xxx

global (outside1) 1 interface

nat (inside2) 2 yyy

global (outside2) interface


You will need to have 2 routes for different destinations. So for www you can use

route (outside1) www ....

And for zzz destinations

route (outside2) zzz


You cannot use 2 different ISP as the gateway simultaneously doing loab balancing because the ASA does not support it.


I hope it helps.


PK

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