Re: routing internal network IP to outside network (through adsl route
From: Steven L Umbach (n9rou_at_nospam-comcast.net)
Date: 09/25/04
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Date: Fri, 24 Sep 2004 23:07:02 -0500
Your server has three adapters, with three IP addresses, two different dns servers
configured, two default gateways, and appears to be a member of a domain. A Windows
computer can use only one default gateway at a time. Any others listed can only be
used for dead gateway detection. So it may be using the wrong default gateway.
Since you have a DSL router already, I would scrap using the server to use rras/NAT
[unless you need it for VPN] and simply have all the computers use your DSL router's
lan side IP address as their default gateway. If your server is in an AD Domain, you
should not use the DHCP on the router and instead use DHCP on an internal server
which performs functions other than issuing tcp/ip configuration including
registering dns pointer records. Unless you have a reason to have so many adapters,
your server will work better with only one network adapter on the lan subnet -
particularly if it is a domain controller. DNS configuration is critical in an Active
Directory domain as described in the link below for Active Directory dns FAQ. I think
if you simplify your networking configuration, things will work better. --- Steve
http://support.microsoft.com/default.aspx?scid=kb%3Ben-us%3B291382 -- also shows how
to configure domain computers for internet DNS name resolution.
"mark reg" <mark reg@discussions.microsoft.com> wrote in message
news:0FB8D963-92AE-408D-BEB9-FC59B4BF3D68@microsoft.com...
>I am trying to route our IP on the 'inside' network to the 'outside' network.
> The 'outside' network is connected to a ADSL modem/router which uses PPPoe
> to connect to the internet and to a NIC on a Win2K Server. The 'inside' in
> connected on a 2nd NIC on the same Win2K Server. I can access the internet
> through the 'outside' network on the Server and access the 'inside' computers
> also from the server.
>
> I used RRA and used the 'Configure and enable RRA' wizard on the server,
> selected the 'Internet connection server' then the Setup a router with NAT,
> then selected 'outside' as the 'Use the slected Internet connection, then
> selected 'inside' as the routing interface to have the shared Internet access.
>
> I then tried to ping an internet address on the server. It translated the
> www.xxx.com to an IP address but the got timeouts for the ping of that IP
> address. If I disable RRA it works again.
>
> I am obviously doing something wrong. Anybody have some ideas?
>
> The following is the ipconfig/all before enabling RRA. The only difference
> after enable RRA is the IP routing enable is 'yes'
> Windows 2000 IP Configuration
>
>
>
> Host Name . . . . . . . . . . . . : seir1srv
> Primary DNS Suffix . . . . . . . : SEIRCORP.seir.com
> Node Type . . . . . . . . . . . . : Broadcast
>
> IP Routing Enabled. . . . . . . . : No
>
> WINS Proxy Enabled. . . . . . . . : No
>
> DNS Suffix Search List. . . . . . : SEIRCORP.seir.com
> lan
> seir.com
>
> Ethernet adapter wireless:
>
>
>
> Connection-specific DNS Suffix . :
> Description . . . . . . . . . . . : Linksys LNE100TX(v5) Fast Ethernet
> Adapter #3
> Physical Address. . . . . . . . . : 00-0C-41-ED-C7-D4
>
> DHCP Enabled. . . . . . . . . . . : Yes
>
> Autoconfiguration Enabled . . . . : Yes
>
> IP Address. . . . . . . . . . . . : 192.168.0.202
>
> Subnet Mask . . . . . . . . . . . : 255.255.255.0
>
> Default Gateway . . . . . . . . . : 192.168.0.3
>
> DHCP Server . . . . . . . . . . . : 192.168.0.3
>
> DNS Servers . . . . . . . . . . . : 10.10.1.1
> Lease Obtained. . . . . . . . . . : Friday, September 24, 2004 8:55:55 AM
>
> Lease Expires . . . . . . . . . . : Saturday, September 25, 2004 8:55:55 AM
>
>
> Ethernet adapter outside:
>
>
>
> Connection-specific DNS Suffix . : lan
> Description . . . . . . . . . . . : Linksys LNE100TX(v5) Fast Ethernet
> Adapter #2
> Physical Address. . . . . . . . . : 00-0C-41-EF-A2-72
>
> DHCP Enabled. . . . . . . . . . . : Yes
>
> Autoconfiguration Enabled . . . . : Yes
>
> IP Address. . . . . . . . . . . . : 192.168.1.101
>
> Subnet Mask . . . . . . . . . . . : 255.255.255.0
>
> Default Gateway . . . . . . . . . : 192.168.1.1
>
> DHCP Server . . . . . . . . . . . : 192.168.1.1
>
> DNS Servers . . . . . . . . . . . : 192.168.1.1
> Lease Obtained. . . . . . . . . . : Friday, September 24, 2004 9:21:46 AM
>
> Lease Expires . . . . . . . . . . : Saturday, September 25, 2004 9:21:46 AM
>
>
> Ethernet adapter notused:
>
>
>
> Media State . . . . . . . . . . . : Cable Disconnected
>
> Description . . . . . . . . . . . : Intel(R) 82559 Fast Ethernet LAN on
> Motherboard
> Physical Address. . . . . . . . . : 00-30-48-10-8D-6A
>
>
> Ethernet adapter Inside:
>
>
>
> Connection-specific DNS Suffix . :
> Description . . . . . . . . . . . : Linksys LNE100TX(v5) Fast Ethernet
> Adapter
> Physical Address. . . . . . . . . : 00-03-6D-20-25-8C
>
> DHCP Enabled. . . . . . . . . . . : No
>
> IP Address. . . . . . . . . . . . : 10.10.1.1
>
> Subnet Mask . . . . . . . . . . . : 255.0.0.0
>
> Default Gateway . . . . . . . . . :
>
> DNS Servers . . . . . . . . . . . : 127.0.0.1
>
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