RE: routing mult IP but only one network card
From: Frances [MSFT] (v-franhe_at_microsoft.com)
Date: 02/16/05
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Date: Wed, 16 Feb 2005 11:34:01 GMT
Hi Joe,
Thank you for posting here!
I noticed that you have posted the same question in our newsgroup; please
check my answer to your question, and if you need any further assistance on
this particular issue, please reply to me in that thread so I can follow up
with you.
For your convenience, I have included my reply as follows:
--------------------
Hello Joe,
Good to hear from you.
According to your message, we cannot enable IP routing on one NIC on the
winXP machine. According to the router principle, we need two NICs to play
the router role. For example, let us say the LAN has IP like 192.168.x.x,
the laptop will have 169.254.x.x address by default. The 192 and 169 are in
different subnets. One NIC is unable to communicate with the two subnets.
In addition, it is not recommended to use XP to do IP routing. Win2k server
is more suitable in this case.
Regarding your scenario, it is not common to use IP routing. If you use
DHCP server in the LAN, the laptop will be assigned a proper IP in most
cases. If you cannot get one, please use "ipconfig /release" and "ipconfig
/renew" commands to force the DHCP server to give an IP.
I assume you want to use IP routing for the case that the DHCP pool is
empty, and then the laptop cannot access the LAN. Is this correct? If this
is the case, you can add the IP address 169.254.1.1 to XP, and thus connect
the laptop to XP, and the XP to the LAN. However, you have to use 2 NICs.
Hope this helps. If you have any further questions, don't hesitate to get
in touch!
--------------------
Have a nice day!
Best regards,
Frances He
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
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