2 ISP's Using a LinkSYSRouter in front of a ASA5510

Unanswered Question
Mar 14th, 2008

We purchased a LinkSysRouter (model RV016). This router supports multiple ISP's, failover and load balanceing automatically. We also have and use a Cisco ASA5510 as our comapanies firewall with 3 ethernet interfaces. How would I configure the ASA5510 and RNV016 if I connect the LinkSYS Router on the outside inteface of the ASA5510. Since the ASA5510 doesn't do load balancing for 2 ISP's or routing we figured this should solve our problem. Thanks in advanced.

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Jason Fraioli Sat, 03/15/2008 - 15:56

See if the linksys has some sort of bridged mode allowing you to specify a public (with secondary) to the WAN port of the ASA. If it doesn't have a bridged mode, you are going to have a heck of a time with any sort of NAT.

My advice is to use your ASA to identify interesting traffic to be directed out either one of the two ISP interfaces.

rpw5354 Mon, 03/17/2008 - 04:59

Jason,

I was told by Cisco people the ASA5510 would not do load balancing between 2 ISP's......only failover. Is this not the case?

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