If the internal network is all the same subnet, you don't need a default
gateway on the internal NIC. The route table already knows that any host on
that network is reached via the internal interface (because it's on the same
subnet.) If you only have 3 servers and one DC, then I doubt you have a
"complex" (multiple subnets on the internal network.)
If the internal connection is becoming "unstable" (not sure what you really
mean by that) then it's not because of no default gateway. If you do a
"route print" you'll see that the routes to the entire subnet of your
internal interface already have the interface as the gateway. If you do
have multiple networks on the internal net, then just add the routes to
those networks manual via "route add."
t
http://www.ISAserver.org
Dear all, it is a simple question. I have 3 servers on one domain the ISA server is a member is this domain and the DSL modem to give the connection to the ISA I should give the External NIC card a defult gateway of the DSL modem and the DNS of the DSL Modem. but what i loose is the defult gateway of the Internal NIC card with the Domain controller and the since the internal connection of the ISA server become unstable.
can you tell me what should I do to resolve the problem of the defult gateway on the ISA server for both NIC cards. and what for the DNS for also the both the NIC cards
Best Regards Hashem
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