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added 2nd nic now cant get web access from aoutside

 
 
MSNews
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      07-05-2006, 06:14 PM
Hi
we added a second nic to our 2003 webserver. The 1st one was for a dmz
subnet. Everything worked fine. We then added a 2nd nic in our lan subnet
for an application to work. After we added the second nic, nobody outside
can access our test website. the dns points to the 1st nic? why would the
second nic do this.

Cr

--
Jim Rosenthal
Postal Solutions
262-703-0760, ext. 120
 
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Robert L [MS-MVP]
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      07-05-2006, 07:38 PM
Multihomed computer can cause routing and name resolution issue. Posting the result of ipconfig /all and routing table here may help.

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
"MSNews" <(E-Mail Removed)> wrote in message news:%(E-Mail Removed)...
Hi
we added a second nic to our 2003 webserver. The 1st one was for a dmz
subnet. Everything worked fine. We then added a 2nd nic in our lan subnet
for an application to work. After we added the second nic, nobody outside
can access our test website. the dns points to the 1st nic? why would the
second nic do this.

Cr

--
Jim Rosenthal
Postal Solutions
262-703-0760, ext. 120
 
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MSNews
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Posts: n/a

 
      07-05-2006, 08:20 PM
OK, below it is. we had everything going to the 10.10.10.2
card and disbled the 192.xxx card. All connections worked, but the programmers couldnt get their app to work. After enabling the 192.xxx card , the problems began from the outside.

regards



IPv4 Route Table
================================================== =========================
Interface List
0x1 ........................... MS TCP Loopback interface
0x40003 ...00 14 85 cb 40 8b ...... SiS 900 PCI Fast Ethernet Adapter
0x40004 ...00 08 54 b0 7f df ...... Realtek RTL8169 Gigabit Ethernet Adapter
================================================== =========================
================================================== =========================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 10.10.10.1 10.10.10.2 20
0.0.0.0 0.0.0.0 192.168.168.1 192.168.168.103 10
10.10.10.0 255.255.255.0 10.10.10.2 10.10.10.2 20
10.10.10.2 255.255.255.255 127.0.0.1 127.0.0.1 20
10.255.255.255 255.255.255.255 10.10.10.2 10.10.10.2 20
127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1
192.168.168.0 255.255.255.0 192.168.168.103 192.168.168.103 10
192.168.168.103 255.255.255.255 127.0.0.1 127.0.0.1 10
192.168.168.255 255.255.255.255 192.168.168.103 192.168.168.103 10
224.0.0.0 240.0.0.0 10.10.10.2 10.10.10.2 20
224.0.0.0 240.0.0.0 192.168.168.103 192.168.168.103 10
255.255.255.255 255.255.255.255 10.10.10.2 10.10.10.2 1
255.255.255.255 255.255.255.255 192.168.168.103 192.168.168.103 1
Default Gateway: 192.168.168.1
================================================== =========================
Persistent Routes:
None

"Robert L [MS-MVP]" <(E-Mail Removed)> wrote in message news:(E-Mail Removed)...
Multihomed computer can cause routing and name resolution issue. Posting the result of ipconfig /all and routing table here may help.

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
"MSNews" <(E-Mail Removed)> wrote in message news:%(E-Mail Removed)...
Hi
we added a second nic to our 2003 webserver. The 1st one was for a dmz
subnet. Everything worked fine. We then added a 2nd nic in our lan subnet
for an application to work. After we added the second nic, nobody outside
can access our test website. the dns points to the 1st nic? why would the
second nic do this.

Cr

--
Jim Rosenthal
Postal Solutions
262-703-0760, ext. 120
 
Reply With Quote
 
Bill Grant
Guest
Posts: n/a

 
      07-05-2006, 11:21 PM
Remove the default gateway address from the internal card. The only
default route in your routing table should be out to the Internet through
10.10.10.2
..
MSNews wrote:
> OK, below it is. we had everything going to the 10.10.10.2
> card and disbled the 192.xxx card. All connections worked, but the
> programmers couldnt get their app to work. After enabling the
> 192.xxx card , the problems began from the outside.
>
> regards
>
>
>
> IPv4 Route Table
> ================================================== =========================
> Interface List
> 0x1 ........................... MS TCP Loopback interface
> 0x40003 ...00 14 85 cb 40 8b ...... SiS 900 PCI Fast Ethernet Adapter
> 0x40004 ...00 08 54 b0 7f df ...... Realtek RTL8169 Gigabit Ethernet
> Adapter
> ================================================== =========================
> ================================================== =========================
> Active Routes:
> Network Destination Netmask Gateway Interface
> Metric
> 0.0.0.0 0.0.0.0 10.10.10.1 10.10.10.2
> 20
> 0.0.0.0 0.0.0.0 192.168.168.1 192.168.168.103
> 10
> 10.10.10.0 255.255.255.0 10.10.10.2 10.10.10.2
> 20
> 10.10.10.2 255.255.255.255 127.0.0.1 127.0.0.1
> 20
> 10.255.255.255 255.255.255.255 10.10.10.2 10.10.10.2
> 20
> 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1
> 1
> 192.168.168.0 255.255.255.0 192.168.168.103 192.168.168.103
> 10
> 192.168.168.103 255.255.255.255 127.0.0.1 127.0.0.1
> 10
> 192.168.168.255 255.255.255.255 192.168.168.103 192.168.168.103
> 10
> 224.0.0.0 240.0.0.0 10.10.10.2 10.10.10.2
> 20
> 224.0.0.0 240.0.0.0 192.168.168.103 192.168.168.103
> 10
> 255.255.255.255 255.255.255.255 10.10.10.2 10.10.10.2
> 1
> 255.255.255.255 255.255.255.255 192.168.168.103 192.168.168.103
> 1
> Default Gateway: 192.168.168.1
> ================================================== =========================
> Persistent Routes:
> None
>
> "Robert L [MS-MVP]" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> Multihomed computer can cause routing and name resolution issue.
> Posting the result of ipconfig /all and routing table here may help.
>
> 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
> "MSNews" <(E-Mail Removed)> wrote in message
> news:%(E-Mail Removed)...
> Hi
> we added a second nic to our 2003 webserver. The 1st one was for
> a dmz
> subnet. Everything worked fine. We then added a 2nd nic in our
> lan subnet
> for an application to work. After we added the second nic,
> nobody outside
> can access our test website. the dns points to the 1st nic?
> why would the
> second nic do this.
>
> Cr
>
> --
> Jim Rosenthal
> Postal Solutions
> 262-703-0760, ext. 120
 
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