Re: 1 server 2 nic 2 adsl lines, gateway problem
- From: "SuperGumby [SBS MVP]" <not@xxxxxxxxxxx>
- Date: Mon, 24 Oct 2005 07:23:03 +1000
A network can only have one default route. The default route is used for
traffic not going to any local subnet and not specified by routing. (This is
neither a 'windows' thing, nor an 'SBS' thing, it is pure networking)
If you are using 24 bit mask (255.255.255.0) the .0 address is not a valid
IP, it is the 'network address', .255 being the 'broadcast address'. I'll
substitute .1 below.
I take it you have something like this (just swap the .0.etc and .1.etc if I
have them backward)
internet
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external router 192.168.0.254
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192.168.0.1 (SBS External)
192.168.1.1 (SBS Internal)
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switch -- internal router 192.168.1.254 -- remote subnet (say)
192.168.2.0-255
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workstations
IF SO, the server should only have a default route on the external
interface, you then need to add a persistent route to the .2.etc network via
the .1.254 router.
If a Novell server correctly implemented routing it would alert you to the
misconfiguration, exactly as SBS is.
IF, as others have assumed, the two ADSL lines are for aggregating or
redundant internet access, both lines should be considered 'external' and a
router capable of controlling the aggregation/failover should be used.
Really, your question should be asked in a 'networking' group, none of it is
specific to SBS. HOWEVER, if you do move the question and get some advice,
come back here to check the answer before implementation.
"NewsLeecher User" <newsleecher@xxxxxxxx> wrote in message
news:1130093344.6574.0@xxxxxxxxxxxxxxxxxxxxx
> can anyone help. I am from a Novell background and trying to get
> this running on a SBS 2003 server
>
> I have set one nic as 192.168.0.0
> the other as 192.168.1.0
> the gateway address on nic 1 to access router 192.168.0.254
> the gateway address on nic 2 to access router 192.168.1.254
>
> I get the error message saying something like you cannot have more
> than one gateway, however everything works for 24hr's or so, then
> one of the gateways dissapears, stopping that internet connection
> from working. Can you explain easy what I need to do.
>
> Regards.
>
> Richard
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