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Unable to connect to IP if dailup open

By kurrakiran ·
We have the server Wipro Net Power - 3110 with the following NIC & IPS Intel 82558(IP 191.191.191.2, Subnet-255.255.255.0,DGW-191.191.191.1,DNS-191.191.191.1)
IntelPro (IP-190.190.190.2,Subnet-255.255.255.0,D.GW-190.190.190.1,DNS-191.191.191.1)and we are using modem on com port to connect to internet. Recently we removed the intelpro card, from then onward if we are using the modem for browsing others workstations are unable to connect to server IP-191.191.191.2.; How can we solve the problem ?

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by kurrakiran In reply to Unable to connect to IP i ...

Point value changed by question poster.

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by cmptrwhz In reply to Unable to connect to IP i ...

What does 191.191.191.1 point to?

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by kurrakiran In reply to Unable to connect to IP i ...

Hai,

Thankx for response cmptrwhz.

191.191.191.1 is the address of the NIC on the main server (application & data server) all the work stations are having physically connected physically to the 191.191.191.1 nic through the switches, 193.193.193.1 is the NIC on the same server.The wiprow net power is used as exchange server.

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by kurrakiran In reply to Unable to connect to IP i ...

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by Curacao_Dejavu In reply to Unable to connect to IP i ...

short term answer and solution: add the ipadress and subnet of the ex intelpro nic as a secondary ip on the wipro net power.

when you make a new dialup connection again, check with ipadress the isp is giving you.

the reason this is happening because your routing becomes corrupted and the workstationa are going to search on the internet for the server.

The reason why that is happening your network is not using private range adresses (192.1680x, 169.168x.x, 10.x.x.x)

So the long term solution is to change your internal ip range to 192.168.0.x.
and the dialup with the public ip.

since you have a exchange server make sure to make a note which ip belongs to the exchange server (if you receive mail from the outside)
that should go on the dialup connection (check with the isp, it should become a fix ip)

Leopold

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