It depends on which DNS servers you are using. I had a similar problem. It turned out that the problem was that I had a DNS server set for each of my providers but the load balancing was not sending the queries out the correct links. When I sent out a query to an DNS server on the ISP1 network, it might have gone though an ISP2 link and ISP1 would deny it (since it was coming from outside the network).
My fix was to create static routes for each of the DNS server out the correct link.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.