Lost internet access through server - HELP

October 19, 2012 at 08:44:08
Specs: Win Server 2003 sp2
Lost internet access through server after change router LAN ip
I did every thing still dont have access to internet :(((((,
and also read this post:
http://www.computing.net/answers/ne...

I have a router and a server that are connected through two unmanage switches. The router has DSL service in it, and i can ping the router from server

3 client through cable and 2 client through WLAN
Network is ok,

i reallyyy really need to solve this - PLZ HELP :(((


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#1
October 19, 2012 at 09:06:37
Open a command prompt window (ie: Start >> Run >> type cmd and hit Enter) and perform the following command:

ipconfig /all

Once you've finished, copy/paste the output into a response on here so we can have a look.

For info on how to copy/paste from a command prompt window click on my name above and read my "how-to" guide titled, "Post the output of ipconfig (version 2)"

Do the above on the computer that isn't connecting, and also on one that is so we can compare.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
October 20, 2012 at 06:56:56
tnx for reply
ipconfig /all on the server that connecting to the router with cable (lost internet access):

Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.

C:\Documents and Settings\fadakadmin>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : server
Primary Dns Suffix . . . . . . . : Fakhrab.local
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : Yes
DNS Suffix Search List. . . . . . : Fakhrab.local

Ethernet adapter VMware Network Adapter VMnet8:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VMware Virtual Et
8
Physical Address. . . . . . . . . : 00-50-56-C0-00-08
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.175.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCP Server . . . . . . . . . . . : 192.168.175.254
Primary WINS Server . . . . . . . : 192.168.175.2
Lease Obtained. . . . . . . . . . : Saturday, October
Lease Expires . . . . . . . . . . : Saturday, October

Ethernet adapter VMware Network Adapter VMnet1:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VMware Virtual Et
1
Physical Address. . . . . . . . . : 00-50-56-C0-00-01
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.15.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCP Server . . . . . . . . . . . : 192.168.15.254
Lease Obtained. . . . . . . . . . : Saturday, October
Lease Expires . . . . . . . . . . : Saturday, October

Ethernet adapter LAN:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : HP NC382i DP Mult
Adapter
Physical Address. . . . . . . . . : 68-B5-99-CC-8B-7C
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.0.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.10
DNS Servers . . . . . . . . . . . : 192.168.0.1
192.168.0.10


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#3
October 20, 2012 at 07:03:38
ifconfig on my macbook (Mac OS: Snow leopard) connecting to the router via WiFi, and have internet access:

asadshahinmoghadam@Asad-Shahin-Moghadams-MacBook:~ $ ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
inet 127.0.0.1 netmask 0xff000000
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
stf0: flags=0<> mtu 1280
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 00:26:4a:15:da:12
media: autoselect
status: inactive
fw0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 4078
lladdr 00:26:4a:ff:fe:15:da:12
media: autoselect <full-duplex>
status: inactive
en1: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 00:26:08:f3:ab:59
inet6 fe80::226:8ff:fef3:ab59%en1 prefixlen 64 scopeid 0x6
inet 192.168.0.50 netmask 0xffffff00 broadcast 192.168.0.255
media: autoselect
status: active
en4: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500
ether 00:26:4a:9d:1c:30
media: autoselect
status: inactive

Using DHCP
IPv4: 192.168.0.50
Subnet Mask: 255.255.255.0
Router: 192.168.0.10

DNS: 192.168.1.1 - 4.2.2.4


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Related Solutions

#4
October 20, 2012 at 07:09:12
There appears to be a discrepancy between the DNS address on the LAN interface of the server and your mac book.

Since you're using vmware and have multiple subnets in play, I'm guessing you're using the virtual switch within that server as well. I would say check it's configuration and ensure it has the correct gateway and DNS addresses as well.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#5
October 20, 2012 at 08:09:05
i checked it, i couldn't find anything wrong
i just changed router ip address and lost internet connection, nothing more :(
before that everything was ok :(

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#6
October 20, 2012 at 09:50:44
any1 help plzzz, i'm losing my job here :((

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#7
October 21, 2012 at 03:22:10
Which router IP address did you change (what from, what to) and why did you change it?

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#8
October 21, 2012 at 12:41:16
I don't see how your mac can be on the internet with the wrong dns entry. It should be 192.168.0.10 not 192.168.1.1. Perhaps the mac is ignoring it and using 4.2.2.4 for the dns server.

Your VM can't get to the internet because;
no routing between the vm subnets and the real subnet
ip addressing does allow internet access.

Might want to start off simple until you understand tcp/ip and routing principles.

Answers are only as good as the information you provide.
How to properly post a question:
Sorry no tech support via PM's


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