We have a 5510 and I have a second ISP setup for a backup link. We have 4 ports connected to 4 different internal subnets. I want to force one of the ports to use the backup ISP link at all times. I'm having a little problem with where I need to make the changes in my ASA.
Interface "outside" is my main ISP
Interface "building3" is my backup ISP.
I want to force the "Guest" network to use the "building3" link for all traffic.
Here's a snippet of my config
global (outside) 10 interface
global (building3) 10 interface
nat (inside) 0 access-list nonat
nat (inside) 10 0.0.0.0 0.0.0.0
nat (Guest) 10 0.0.0.0 0.0.0.0
access-group inbound in interface outside
access-group Guest_access_in in interface Vendor
access-group building3_access_in in interface building3
route outside 0.0.0.0 0.0.0.0 22.214.171.124 1
route inside 10.10.200.0 255.255.255.0 10.10.200.224 1
Do I need to change the global pool or create a new one? I have a couple free public IP addresess on the building3 subnet I can use for a pool.
As far I know ASA 5510 doesn't support PBR(Policy based routing). For this you need L3 switch or router.
You can use second ISP as backup.
ASA ------ Router |----- ISP1
Have a look on this link
Please rate helpful post.
I'm not really wanting to load balance I don't think. I want interface 1 to go out interface 2. Then have interface 3 go out interface 4. If that makes sense.
Interface 1 = LAN
Interface 2 = ISP1
Interface 3 = Guest LAN
Interface 4 = ISP2