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Enable IP Routing in Vista

RRAS, VPN, TS/RDP, Routing and remote Access.

Enable IP Routing in Vista

Postby chicagotech » Wed Sep 05, 2007 12:29 pm

I have enbabled IP Routing on my multihomed Vista Desktop, but unable
to get it to work.
I am unable to connect from 192.168.5.3 (XP Laptop) to 192.168.1.6
(Vista Desktop #2)
Connect, as in ping, RDP, etc.

Following make my network.
192.168.5.1 (Netgear router #1 connected to internet via ISP #1)
192.168.5.3 (XP Laptop)
192.168.5.5 (Vista Desktop #1, multihomed) wired connection
192.168.1.10 (Vista Desktop #1, multihomed) wireless connection
192.168.1.1 (Netgear router #2 connected to internet via ISP #2)
192.168.1.5 (Vista Desktop #2) wired connection
On Netgear #1, added static route to 192.168.1.0 via 192.168.5.5
Firewall disabled on Vista and XP Laptop/Desktops

My Vista Ultimate desktop #1 connects to two networks
a) 192.168.5.0 (wired) through interface 192.168.5.5
b) 192.168.1.0 (wireless) through interface 192.168.1.10

I enabled IP Routing by updating the registry key below on Vista
Desktop #1
HKEY_LOCAL_MACHINE \SYSTEM\CurrentControlSet\Services\Tcpip
\Parameters
subkey : "IPEnableRouter" entry to 1
and rebooted

C:\Users\Benoy George>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : VistaDesk1
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8187B Wireless
802.11g 54Mbps
USB 2.0 Network Adapter
Physical Address. . . . . . . . . : 00-14-D1-**-**-**
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::8944:8ce:****:****
%**(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.10(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, September 01, 2007
1:02:59 AM
Lease Expires . . . . . . . . . . : Thursday, October 10, 2143
4:09:59 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 31877****
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network
Connection
Physical Address. . . . . . . . . : 00-11-11-**-**-**
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::b461:bbb9:****:****
%*(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.5.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, September 01, 2007
1:02:58 AM
Lease Expires . . . . . . . . . . : Thursday, October 10, 2143
4:09:59 PM
Default Gateway . . . . . . . . . : 192.168.5.1
DHCP Server . . . . . . . . . . . : 192.168.5.1
DHCPv6 IAID . . . . . . . . . . . : 20133****
DNS Servers . . . . . . . . . . . : 74.128.0.100
74.128.0.101
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 6:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-
Interface
Physical Address. . . . . . . . . : 02-00-54-**-**-**
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 7:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : isatap.{4D98B4BA-1093-49F7-
B964-3555C899****}
Physical Address. . . . . . . . . : 00-00-00-00-00-**-**-**
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

The following works fine.
1. Ping 192.168.5.5 (Desktop #1) from 192.168.5.3 (XP Laptop)
2. Ping 192.168.1.10 (Desktop #1) from 192.168.5.3 (XP Laptop)
3. Ping 192.168.1.5 (Desktop #2) from 192.168.1.10 (Desktop #1)

Following FAILS.
1. Ping 192.168.1.5 (Desktop #2) from 192.168.5.3 (XP Laptop)

Following are the trace results from 192.168.5.3 (XP Laptop)

C:\>tracert 192.168.1.10

Tracing route to 192.168.1.10 over a maximum of 30 hops

1 1 ms 1 ms 1 ms 192.168.5.1
2 4 ms 1 ms 1 ms 192.168.5.1
3 * 85 ms 1 ms 192.168.1.10

Trace complete.

C:\>tracert 192.168.1.5

Tracing route to 192.168.1.5 over a maximum of 30 hops

1 1 ms 1 ms 1 ms 192.168.5.1
2 2 ms 1 ms 1 ms 192.168.5.1
3 18 ms * * 192.168.5.5
4 * * * Request timed out.
5 * * * Request timed out.
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 * * * Request timed out.
12 * * ^C
C:\>

What am I doing wrong?

Thanks,
Benoy George

We have a few issues in the configuration.

1. IP Address. . . . . . . . . . . . : 192.168.5.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.5.1
The 192.168.5.3 and 192.168.5.1 are not in the same subnet.

2. IPConfig Result from multihomed Vista Desktop should not assign two default gateways. Otherwise the multihomed computer may be confused and no route return.


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
"benoy" <Riya> wrote in message news:1188876025.437322.252920@y42g2000hsy.googlegroups.com...
Hi Bob,

On Netgear Router #1 WPN824v2 (192.168.5.1),
I have a static route to 192.168.1.0 via 192.168.5.5

IPConfig Result from 192.168.5.3 (XP Laptop)
C:\>ipconfig

Windows IP Configuration

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 192.168.5.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.5.1

IPConfig Result from multihomed Vista Desktop
C:\>ipconfig

Windows IP Configuration


Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::8944:8ce:f8e8:****%**
IPv4 Address. . . . . . . . . . . : 192.168.1.10
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::b461:bbb9:cb29:****%*
IPv4 Address. . . . . . . . . . . : 192.168.5.5
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.5.1


Thanks,
Benoy George

On Sep 3, 11:36 am, "Robert L [MVP - Networking]"
<nore> wrote:
> From the routing table, you can't access the 192.168.1.x because every traffic goes to the router 192.168.5.1. Post back with the result of ipconfig may help.
>
> Bob Lin, MS-MVP, MCSE & CNE
> Networking, Internet, Routing, VPN Troubleshooting onhttp://www.ChicagoTech.net
> How to Setup Windows, Network, VPN & Remote Access onhttp://www.HowToNetworking.com
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
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Postby guest » Thu Jun 26, 2008 10:21 am

Enable IP routing in Vista is the same as XP as showing this link.

Routing how toHow to display the routing table How to disable ip routing/forwarding on a W2K Pro? How to enable ip routing/forwarding on Win2k ...
www.howtonetworking.com/Networking/routing.htm
Tablet and Smartphone Setup Guide
http://www.quicksetupguide.com

Troubleshooting Vista Wireless
http://chicagotech.net/
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