Internet doesn't work when enable local Lan

Posted by rakesh yadav on Server Fault See other posts from Server Fault or by rakesh yadav
Published on 2013-10-21T09:32:21Z Indexed on 2013/10/21 9:57 UTC
Read the original article Hit count: 371

We have the following network setup:

A) Router IP 192.168.51.49
B) Windows Server 2008 R2 with dual NIC:
    B1) WAN interface (192.168.0.2) ( Used for internet)
    B2) LAN interface (192.168.1.2) ( used for local connectivity)

when i keep both LAN Enabled than my internet doesn't work, but if I disabled my local Lan than internet working fine.

so please help me how can resolved this issue or should i need to do routing on my server

Please find the below attached route print result

C:\Users\Administrator>route print
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
           0.0.0.0          0.0.0.0     192.168.51.49     192.168.51.50    276
           0.0.0.0          0.0.0.0    192.168.30.227    192.168.30.228    266
    192.168.30.224  255.255.255.240         On-link      192.168.30.228    266
    192.168.30.228  255.255.255.255         On-link      192.168.30.228    266
    192.168.30.239  255.255.255.255         On-link      192.168.30.228    266
     192.168.51.48  255.255.255.240         On-link       192.168.51.50    276
     192.168.51.50  255.255.255.255         On-link       192.168.51.50    276
     192.168.51.63  255.255.255.255         On-link       192.168.51.50    276
         127.0.0.0        255.0.0.0         On-link           127.0.0.1    306
         127.0.0.1  255.255.255.255         On-link           127.0.0.1    306
   127.255.255.255  255.255.255.255         On-link           127.0.0.1    306
      202.56.230.5  255.255.255.255     192.168.51.49     192.168.51.50     21
      202.56.230.6  255.255.255.255     192.168.51.49     192.168.51.50     21
    192.168.26.124  255.255.255.255     192.168.51.49     192.168.51.50     21
         224.0.0.0        240.0.0.0         On-link           127.0.0.1    306
         224.0.0.0        240.0.0.0         On-link       192.168.51.50    276
         224.0.0.0        240.0.0.0         On-link      192.168.30.228    266
   255.255.255.255  255.255.255.255         On-link           127.0.0.1    306
   255.255.255.255  255.255.255.255         On-link       192.168.51.50    276
   255.255.255.255  255.255.255.255         On-link      192.168.30.228    266
===========================================================================
Persistent Routes:
  Network Address          Netmask  Gateway Address  Metric
          0.0.0.0          0.0.0.0    192.168.30.227  Default
          0.0.0.0          0.0.0.0     192.168.51.49  Default
===========================================================================

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