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Edgerouter pro DNS forward stops on dual Wan failover

Hey everyone,

 

i need help with an edgrouter issue. Im new to edgerouter so forgive my ignorance on some of this. I have a dual wan setup. Wan 1 (eth0) is connected to DSL via pppoe. WAn 2 (eth2) is connected to cable modem with static ip. I have this set up as a load balanced implementation. Everything works fine until i disable WAN2 and then clients lose internet access. Im sure this is a DNS issue because i can ping IPs on the internet but cannot ping out to internet with names. My clients are assigned DNS 1 as the edgerouter itself. If i set 8.8.8.8 as the dns on a client then internet access works. 

 

So for some reason the edgrouter will not process dns requests via the pppoe wan link when wan 2 goes down. 

 

Anyone seen this or know how to fix it?

 

Thanks 

P51mustang


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