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NAT is actually called NAT/basic firewall. It protects the internal LAN from direct access by outside/Internet users. If you want remote users to access the internal network you should be using the RRAS VPN features rather than NAT.<br />
<a href="http://www.lan-2-wan.com/vpns-RRAS-1nic.htm" rel="ugc">http://www.lan-2-wan.com/vpns-RRAS-1nic.htm</a><br />

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NAT is actually called NAT/basic firewall. It protects the internal LAN from direct access by outside/Internet users. If you want remote users to access the internal network you should be using the RRAS VPN features rather than NAT.
http://www.lan-2-wan.com/vpns-RRAS-1nic.htm [http://www.lan-2-wan.com/vpns-RRAS-1nic.htm]


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As I understood the question, the problem is that you can't ping the external IP from outside. Is it the only problem?<br />
As I posted earlier, you nead to allow incoming ICMP echo requests for the interface to be able to ping it. I forgot that when using RRAS the normal firewall is replaced by the firewall in RRAS, but you nead to do the same thing in RRAS configuration MMC. Expand the 'IP Routing' and 'NAT/Basic firewall', and click ICMP-tab on the properties dialog for the external interface.
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As I understood the question, the problem is that you can't ping the external IP from outside. Is it the only problem?
As I posted earlier, you nead to allow incoming ICMP echo requests for the interface to be able to ping it. I forgot that when using RRAS the normal firewall is replaced by the firewall in RRAS, but you nead to do the same thing in RRAS configuration MMC. Expand the 'IP Routing' and 'NAT/Basic firewall', and click ICMP-tab on the properties dialog for the external interface.

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 How do i configure NAT in server 2k3 R2 server using RRAS? Actually i have two NIC card LAN1,LAN2.<br />
IP address in LAN 1 is 125.22.249.X and LAN2 is 192.168.1.X.<br />
<br />
After i enable NAT in RRAS ,But i Can,t able to ping LAN1 IP from outside global. please give a solution ASAP.<br />
<br />
Thanks in Advance<br />
<br />
Assigntech
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 How do i configure NAT in server 2k3 R2 server using RRAS? Actually i have two NIC card LAN1,LAN2.
IP address in LAN 1 is 125.22.249.X and LAN2 is 192.168.1.X.

After i enable NAT in RRAS ,But i Can,t able to ping LAN1 IP from outside global. please give a solution ASAP.

Thanks in Advance

Assigntech

How can i configure NAT in Win 2k3 R2 standard sever?

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).