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I need to gain access to a network in the USA, from the UK. This network is a subnetwork to our own, but I cannot ping or access any machine on that network.
The solution to this problem is to use route to add a new route from my machine to the new network. My routing table before i started : route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.0.254 0.0.0.0 UG 0 0 0 eth0 You can add static route using following command:
route add -net <network> netmask 255.255.255.0 gw <gateway> dev <device> I need to get to the 192.168.11.0 network, and i know our local gateway to that network is 192.168.0.20 so to do this I do the following: route add -net 192.168.11.0 netmask 255.255.255.0 gw 192.168.0.20 dev eth0 Now my routing table looks like this:Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.11.0 192.168.0.20 255.255.255.0 UG 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.0.254 0.0.0.0 UG 0 0 0 eth0 and I can access the remote machines :)
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