I have a router used as a gateway for a small lan, I want half the machines
to use one IP and half to use another IP when using SNAT to reach the
internet. Both IPs are from the same ISP, same account, just different IPs.
Heres what I''m trying:
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LAN_IP="10.0.0.1"
LAN_IFACE="eth0"
EXT_IP_1="x.y.246.186"
EXT_IFACE_1="eth1"
EXT_IP_2="x.y.246.187"
EXT_IFACE_2="eth2"
INET_GW="x.y.246.254"
LAN_NET="10.0.0.0/16"
LAN_NET_SERVERS="10.0.0.0/24"
ip route flush table main
ip route flush table servers
ip rule add from $LAN_NET_SERVERS table servers
# First route
ip route add $INET_NET dev $EXT_IFACE_2
ip route add default via $INET_GW dev $EXT_IFACE_2
# Second route, seems similar to the first but doesn’t work
ip route add $INET_NET dev $EXT_IFACE_1 table servers
ip route add default via $INET_GW dev $EXT_IFACE_1 table servers
#At this point the command above fails with "RTNETLINK answers: network
unreachable"
ip route add $LAN_NET dev $LAN_IFACE
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I don''t understand why it says $INET_GW is on an unreachable network
when I
just added a route to that network ($INET_NET). I''ve spent hours
reading and
trying different things, I can''t set up a route to the internet on
anything
but the main table (which strangely is very easy in contrast). Help?
Lee
