not routable outside a local area network {which may include your ISP's network}.
If you are being assigned these IP's from both of the ISP's and not a firewall in each
office you are probably out of luck. If even one office is assigned a static IP address by
the ISP then you can establish a VLAN. You will have to poke a hole through the
firewall on the end with a static IP to a VLAN 'server' if your firewall can not natively
act as a VLAN 'server'. Then you establish a VLAN to the 'server' from the other end
with a VLAN 'client/gateway'. Once the VLAN is set up you route your traffic through
the VLAN at each end.
I will leave the research on the specifics of this to you. I have never attempted to do that
in practice, since all of the Neworks I have worked with have had routable IP addresses.
Guy
Arthur Chong wrote:
We would like to link to a neighbor's LAN from ours. Here are the details:
Office 1 Office 2
============= =============
ISP 1 <-- GW 192.168.1.254 GW 10.0.0.1 -> ISP 2
192.168.1.54 ---RedHat8.0 Box--- 10.0.0.8 with 2 NICs.
What needs to be setup on the RedHat8.0 box?
We have tried : echo 1 > /proc/sys/net/ipv4/ip_forward in the rc.local file to enable forwarding.
On the 10 network, on Win2000 box trying to get to a linux box on 192 network -
we tried the route add command on the 10.0.0.0 network to see the 192.168.1.0
network through the 10.0.0.8 gateway.
-> route add 192.168.1.0 mask 255.255.255.0 10.0.0.8
The pings to any linux box on the 192 network times out.
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