W2K as IP router

[steveb]

Problem
Cannot create a gateway via W2k server (router).

Description

W2k subnet: Mask 255.0.0.0 Hub W2K SVR Router
PC's
IP's 20.10.1.1 & 10.226.104.111
20.10.1.11--------------------------|---| |-----|
20.10.1.20--------------------------| |------------| |-----
10.226.104.xxx n/work
20.10.1.30--------------------------|---| | -----|
255.255.0.0 Mask

10.226.104.15 g/way
W2k SVR Router has dual NIC's with IP's of :
20.10.1.1&10.226.104.111)
RAS & Routing installed on W2K router also with 'IPENABLEROUTER' set in the
registry.
I want to have four W2k servers on their own sub-net 20.10.1.x / mask
255.0.0.0 connected to a hub and then use another W2k server as a router
which connectes them to the main segment on 10.226.104.xxx / mask
255.255.0.0. I need PC's/servers on both segments to be able to talk to each
other.

Netstat -rn (selected entries)

W2K SVR Router
Dest Netmask G/Way IF
Metric
0.0.0.0 0.0.0.0 10.226.104.15 10.226.104.111 1
20.0.0.0 255.0.0.0 20.10.1.1 10.226.104.111 1
10.226.0.0 255.255.0.0 10.226.104.15 10.226.104.111 1
Default gateway 10.226.104.15

PC in subnet (IP 20.10.1.20)
Dest Netmask G/Way IF
Metric
0.0.0.0 0.0.0.0 20.10.1.1 20.10.1.1
1
20.0.0.0 255.0.0.0 20.10.1.20 20.10.1.20 30
Default gateway 20.10.1.1

PC in 10.226.104.xxx network (.95)
Dest Netmask G/Way IF
Metric
0.0.0.0 0.0.0.0 10.226.104.15 10.226.104.15 1
10.226.0.0 255.0.0.0 10.226.104.95 10.226.104.95

Any PC in the subnet can ping: 20.10.1.1 or any other PC's in the subnet.
Also, they all can ping 10.226.104.111 (Router svr other nic).
If any PC pings: 10.226.104.15. No reply.

(10.226.104.xxx subnet)
If any PC's on the 10.226.104.xxx network cannot ping any PC in the
20.10.1.xxx subnet (what kind of routing entry do I need for these PC's?).


Thanks for any help/guidence

 

[Dusty Harper {MS}]

On the 10.226.104.15 machine, you need to have a Route that says to reach
the 20.10.1.0 network go through 10.226.104.111

This command may look like the following

Route Add -P 20.10.1.0 mask 255.255.255.0 10.226.104.111

This will cause several things to happen
1) 10.226.104.15 can now reach the 20.10.1.0 network
2) machines on the 10.226.104.0 network can now reach the 20.10.1.0
network ( this is because of ICMP Redirects )