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Lan Access But no Internet


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#1 johnbol

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Posted 09 June 2014 - 10:18 AM

Hi All, 

First time post but read a lot of posts none of which seem to address what I am getting,

They guy who installed our networking equipment has left and before he did so he installed a larger 16 port tp link TLSG1016D switch and a Synology Diskstation to act as a file server for all our local pcs to access.

All has been working well for over 2 weeks but the past couple of days have been a nightmare . Upon investigation I see a lot of the pcs are set to manual tcp/v4 setting and others are obtain automatic, there are various operating systems from vista up to windows 7

 

We can access to the some of the pcs on the network but not internet access when tcp/ip v4 set to obtain ip address automatically. The main thing missing from the network list this way is the Diskstation

 

When we manually enter ip address and dns to manual we get internet only and not LAN access again missing the Diskstation which is the main share point for all files.

 

Manual settings we use are 

 

ip address 10.0.0.x

subnet 255.0.0.0

Default gateway 10.0.0.2

 

preferred DNS server 10.0.0.2

alternate DNS 0.0.0.0

 

I have pasted 2 ipconfigs below , the first is as now with internet connection and the second is when I change the tcp settings to get local Diskstation connection

If anyone can help I d appreciate it, just let me know if you need better information.

 

Thanks

John

 

 

Microsoft Windows [Version 6.1.7601]
Copyright © 2009 Microsoft Corporation.  All rights reserved.
 
C:\Users\john b 2>ipconfig
 
Windows IP Configuration
 
 
Ethernet adapter Local Area Connection:
 
   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::fd26:583a:7ad3:8ab2%11
   IPv4 Address. . . . . . . . . . . : 10.0.0.99
   Subnet Mask . . . . . . . . . . . : 255.0.0.0
   Default Gateway . . . . . . . . . : 10.0.0.2
 
Tunnel adapter Local Area Connection* 11:
 
   Connection-specific DNS Suffix  . :
   IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6abd:3c8c:2b5f:f5ff:ff9c
   Link-local IPv6 Address . . . . . : fe80::3c8c:2b5f:f5ff:ff9c%12
   Default Gateway . . . . . . . . . : ::
 
Tunnel adapter isatap.{D86D935A-33C3-4540-AEE8-6E14BCC7FD21}:
 
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
 
C:\Users\john b 2>
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\john b 2>ipconfig

Windows IP Configuration


Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::fd26:583a:7ad3:8ab2%11
   IPv4 Address. . . . . . . . . . . : 10.0.0.13
   Subnet Mask . . . . . . . . . . . : 255.0.0.0
   Default Gateway . . . . . . . . . : 10.0.0.2

Tunnel adapter Local Area Connection* 11:

   Connection-specific DNS Suffix  . :
   IPv6 Address. . . . . . . . . . . : 2001:0:9d38:90d7:100e:358d:f5ff:fff2
   Link-local IPv6 Address . . . . . : fe80::100e:358d:f5ff:fff2%12
   Default Gateway . . . . . . . . . : ::

Tunnel adapter isatap.{D86D935A-33C3-4540-AEE8-6E14BCC7FD21}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

C:\Users\john b 2>

 



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#2 Kilroy

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Posted 09 June 2014 - 10:27 AM

Automatically obtaining the IP address is preferred, unless the device needs to keep the same address, a server, printer, or Diskstation for example.  If the Internet cannot be reached when an IP is requested you need to check the settngs on your DHCP server to determine what it is sending as a gateway.

 

Chaning the IP address from 99 to 13 shouldn't change anything unless two devices have 99 or the access is determined by IP address.






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