@MR.S what version are you on with your ER605 , when usiing subnet mask 255.255.255.248 if did not like entry for DNS complained about with red error mark, think it said broadcast address, however if...

@MR.S I do have DNS configured on ASA but did a check over our production site hits our Internal DNS Windows Server to resolve and reverse lookup, on my Test ASA add 1.1.1.2 plus 8.8.8.8 Outside But...

@shberge Managed to get a connection working from ASA 5520 to ER605 > Internet In the image you can see on LAN port 4 on ER605 goes to OutSide interface on ASA green cable port 0 and Inside ASA port...

@shberge That is correct want the TP er605 to cover load balancing and leave the ASA 5520 as is, working on the spare ASA and trying the interface from the outside - tp link lan on subnet with only...

@shberge The Cisco ASA 5520 can do failover but I have inline two ISP 1GB that wish to load balance, mentioned this on the dia not in my statement, my thinking the ASA sees the Outside as a link been...

There is an old post on this but not able to find the answer in question, i will have two ISP WAN connections from this I am trying to link the ASA 5520 that has three interfaces Outside (connection...