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D4R4/linux-multiple-routing-tables

Last active November 11, 2019 09:10
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Running multiple IPs in linux with seperate gateway and networks, without the use of rp_filter
Raw
linux-multiple-routing-tables
sudo ip route add 192.168.0.0/24 dev ens192 tab 1
sudo ip route add 192.168.1.0/24 dev ens224 tab 2
sudo ip route add default via 192.168.0.1 dev ens192 tab 1
sudo ip route add default via 192.168.1.1 dev ens224 tab 2
sudo ip rule add from 192.168.0.10/32 tab 1 priority 100
sudo ip rule add from 192.168.1.10/32 tab 2 priority 200
sudo ip route flush cache
Making it permenant:
cat /etc/sysconfig/network-scripts/route-ens192
192.168.0.0/24 dev ens192 tab 1
default via 192.168.0.1 dev ens192 tab 1
cat /etc/sysconfig/network-scripts/route-ens224
192.168.1.0/24 dev ens224 tab 2
default via 192.168.1.1 dev ens224 tab 2
cat /etc/sysconfig/network-scripts/rule-ens192
from 192.168.0.10/32 tab 1 priority 100
cat /etc/sysconfig/network-scripts/rule-ens224
from 192.168.1.10/32 tab 2 priority 200
yum install NetworkManager-config-routing-rules
systemctl enable NetworkManager-dispatcher.service
systemctl start NetworkManager-dispatcher.service
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