LAN FAILURE happened on its own some times in XP

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Guest

I have a setup with Two Lans Primary and secondary to XP machine.

one Primary LAN is failing on its own some times ?
why this is happening in XP machines? what i can do to overcome this problem?
no loose connections and no problem in LAN cable?
 
Assuming this is multihomed computer, do you assign two default gateways to the computer? If yes, this link may help,

RoutingDefault Gateway: 192.168.0.1. Don't add default gateway across disjoining networks. Multihomed with two gateways may cause a connectivity problem ...
http://www.chicagotech.net/routing.htm


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
I have a setup with Two Lans Primary and secondary to XP machine.

one Primary LAN is failing on its own some times ?
why this is happening in XP machines? what i can do to overcome this problem?
no loose connections and no problem in LAN cable?
 
Windows IP Configuration


Ethernet adapter Secondary Lan:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 174.25.12.61
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 174.25.12.140

Ethernet adapter Primary Lan:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 174.25.11.61
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 174.25.11.140


These are my settings .

You meant say defaultgateway should be same .
my machine with above two lans is connecting to some X machine and sending
some data.In this situation If i remove(pull physically ) the Primay Lan
what will happened at the TCP/IP Level?and if I disable primary LAN by
manually wht will hapeened?
 
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