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cisco asa 5506 how to switch dns on dual isp failover

ggilley
Level 1
Level 1

I have my router configured to failover to a second ISP if my primary fails. I can't figure out how to switch the DNS server when the failover happens. Any ideas? Thanks,

 

       Greg

 

1 Accepted Solution

Accepted Solutions

You don't have to use the ISP's DNS.  You can simply point to 8.8.8.8 or 8.8.4.4 (Google DNS) and so it shouldn't matter what ISP is up.

HTH

View solution in original post

4 Replies 4

Reza Sharifi
Hall of Fame
Hall of Fame

What is the DNS server pointed to? If your DNS server is pointed to an external DNS, it shouldn't matter what router is up.

HTH

It looks like the DNS server from the different ISPs is only accessible from within the ISP networks.

You don't have to use the ISP's DNS.  You can simply point to 8.8.8.8 or 8.8.4.4 (Google DNS) and so it shouldn't matter what ISP is up.

HTH

I'll give that a try. Thanks!

      Greg

 

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