ip vs. route

Hi folks,

I notice a strange behaviour on my freewrt box. I set up a vpn with openvpn
and need to set some routes through my network.

Following I try with route:

root@gtw01:/etc# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
10.101.66.240 0.0.0.0 255.255.255.240 U 0 0 0
eth0.0
10.104.125.0 0.0.0.0 255.255.255.0 U 0 0 0
eth1
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0
ppp0
root@gtw01:/etc# route add -host 10.101.66.253 dev eth0.0
root@gtw01:/etc# route add -net 10.8.0.0 netmask 255.255.255.0 gw
10.101.66.253 dev eth0.0
root@gtw01:/etc# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
10.101.66.253 0.0.0.0 255.255.255.255 UH 0 0 0
eth0.0
10.101.66.240 0.0.0.0 255.255.255.240 U 0 0 0
eth0.0
10.104.125.0 0.0.0.0 255.255.255.0 U 0 0 0
eth1
10.8.0.0 10.101.66.253 255.255.255.0 UG 0 0 0
eth0.0
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0
ppp0

Everything works like a charm. But with ip I get this:

root@gtw01:/etc# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
10.101.66.240 0.0.0.0 255.255.255.240 U 0 0 0
eth0.0
10.104.125.0 0.0.0.0 255.255.255.0 U 0 0 0
eth1
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0
ppp0
root@gtw01:/etc# ip route add 10.101.66.253 dev eth0.0
root@gtw01:/etc# ip route add 10.8.0.0 via 10.101.66.253 dev eth0.0
ip: RTNETLINK answers: Network is unreachable

I need ip for maintain my ruleset with fwbuilder.
Who can give me a hint?

Thanks.
Kamill




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