Network Mask error during confiuring windows 2003 as a ststic router.

I am using two different networks class A & class C and inbetween then
windows 2003 is using as a static routing. I am facing an error message
when adding subnet mask during static routing configration i.e

"*The Network Mask entered is not valid.The destination address can not
be more specific than the network mask".*

I am writing the configration so it may belp you for guide me in much
batter way.

Server LAN1

IP:192.168.1.201
Subnet Maske :255.255.255.0


Server LAN2

IP:15.15.15.15
Subnet Maske :255.0.0.0


Client1
IP: 192.168.1.200
subnet mask : 255.255.255.0
Default Gateway:192.168.1.201

Client2
IP: 15.15.15.200
subnet mask : 255.0.0.0
Default Gateway:15.15.15.15

well these were my client & server settings now in my server Static
routing settings are

Interface LAN1 (This is 192.168.1.201 Lan card)
Destination :15.15.15.200
Network Mask 255.25.255.255
Default Gateway: 15.15.15.15

Interface LAN2 (This is 15.15.15.15 Lan card)
Destination :192.168.1.0
Network Mask 255.255.255.0
Default Gateway: 192.168.1.201

MY PROBLEM IS IN LAN 1 AFTER WRITING DESTINATION WHICH IS 15.15.15.200
IN THE NETWORKMASK IT DOES'T ACCEPT 255.0.0.0 AND GIVE A MESSAGE
I.E \"THE NETWORK MASK ENTERED IS NOT VALID.THE DESTINATION ADDRESS CAN
NOT BE MORE SPECIFIC THAN THE NETWORK MASK\".
*and if i write as 255.255.255.0 it accept it & i can ping my both
sides network.*

The purpose to write all my configration is to view & guide me that why
it is not accpting the valid subnetmask in server static ip
configration?

thanks in advance for your help.


mypass


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If you enable IP routing on the RRAS, you may not need to add the static
routing. Post the results of ipconfig /all and routing table here may help.

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com


"mypass604" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>
> I am using two different networks class A & class C and inbetween then
> windows 2003 is using as a static routing. I am facing an error message
> when adding subnet mask during static routing configration i.e
>
> "*The Network Mask entered is not valid.The destination address can not
> be more specific than the network mask".*
>
> I am writing the configration so it may belp you for guide me in much
> batter way.
>
> Server LAN1
>
> IP:192.168.1.201
> Subnet Maske :255.255.255.0
>
>
> Server LAN2
>
> IP:15.15.15.15
> Subnet Maske :255.0.0.0
>
>
> Client1
> IP: 192.168.1.200
> subnet mask : 255.255.255.0
> Default Gateway:192.168.1.201
>
> Client2
> IP: 15.15.15.200
> subnet mask : 255.0.0.0
> Default Gateway:15.15.15.15
>
> well these were my client & server settings now in my server Static
> routing settings are
>
> Interface LAN1 (This is 192.168.1.201 Lan card)
> Destination :15.15.15.200
> Network Mask 255.25.255.255
> Default Gateway: 15.15.15.15
>
> Interface LAN2 (This is 15.15.15.15 Lan card)
> Destination :192.168.1.0
> Network Mask 255.255.255.0
> Default Gateway: 192.168.1.201
>
> MY PROBLEM IS IN LAN 1 AFTER WRITING DESTINATION WHICH IS 15.15.15.200
> IN THE NETWORKMASK IT DOES'T ACCEPT 255.0.0.0 AND GIVE A MESSAGE
> I.E \"THE NETWORK MASK ENTERED IS NOT VALID.THE DESTINATION ADDRESS CAN
> NOT BE MORE SPECIFIC THAN THE NETWORK MASK\".
> *and if i write as 255.255.255.0 it accept it & i can ping my both
> sides network.*
>
> The purpose to write all my configration is to view & guide me that why
> it is not accpting the valid subnetmask in server static ip
> configration?
>
> thanks in advance for your help.
>
>
> mypass
>
>
> --
> mypass604
> ------------------------------------------------------------------------
> mypass604's Profile: http://forums.techarena.in/members/88046.htm
> View this thread: http://forums.techarena.in/server-ne...ng/1178402.htm
>
> http://forums.techarena.in
>

"mypass604" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...

> I am using two different networks class A & class C and inbetween then
> windows 2003 is using as a static routing. I am facing an error message
> when adding subnet mask during static routing configration i.e

Classes mean absolutely nothing

IP Segments (used for Hosts) should never be larger than 254 Hosts (using a
24bit mask 255.255.255.0). Ethernet efficiency degrades after around
250-300 Hosts,...and that has nothing to do with TCP/IP,...although the
broadcasts within TCP/IP contribute to the problem.

"Windows 2003" doesn't tell us anything. Windows is not a "router". But
RRAS in Windows is.

There is no Static Routes *at all.* This is a single router between two LAN
segments,...therefore they are "directly connected" networks,...therefore
there is no Static Routing because the router (RRAS) already "knows" where
the networks are.

--
Phillip Windell
www.wandtv.com

The views expressed, are my own and not those of my employer, or Microsoft,
or anyone else associated with me, including my cats.
-----------------------------------------------------

The error message is because your are giving a static route to a single
ip. This is by design of RRAS.

Usually the route is added to a network with subnet mask of the
network. Need to give network ip (in your case 15.0.0.0/8). Since you
give a machine ip need to give 32 as mask.

Regards,
Anish


--
anishjo
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