> On Feb 26, 2014, at 1:28 AM, Jatin Davey <jashokda at cisco.com> wrote: > > Hi All > > I have two hosts. Host A and Host B > > Host A routing table > ------------------------ > [root at localhost ~]# route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 172.29.110.0 172.29.109.1 255.255.255.0 UG 0 0 0 eth0 > 172.29.109.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 > 0.0.0.0 172.29.109.1 0.0.0.0 UG 0 0 0 eth0 > > HOST A IP address : 172.29.109.254 > > > > Host B routing table > ------------------------- > [jatin at localhost ~]$ route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 172.29.110.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0 > 20.20.20.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 > 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 > 0.0.0.0 172.29.110.1 0.0.0.0 UG 0 0 0 eth0 > > HOST B Ip address : 172.29.110.93 > > > Host B basically houses some simulated devices which are configured in > the ip address range of 20.20.20.1 to 20.20.20.254. The netmask being > used here is 255.255.255.0 > > I want to configure a static route on HOST A so that they can reach the > simulated devices running on HOST B which are in the ip address range > 20.20.20.1-20.20.20.254 , I am trying the following command but it does > not configure the static route for me. > > [root at localhost ~]# route add -net 20.20.20.0 netmask 255.255.255.0 gw > 172.29.110.93 > SIOCADDRT: Network is unreachable > > > Any help is greatly appreciated. > > Thanks > Jatin Your router (172.29.110.1) will need a static route to 20.20.20.0/24.