bash
# Step 1: Define a new routing table
echo "100 eth0table" >> /etc/iproute2/rt_tables
# Step 2: Add routes to that table
ip route add 10.1.0.0/24 via 172.18.0.100 dev eth0 table eth0table
ip route add 10.11.0.0/24 via 172.18.0.100 dev eth0 table eth0table
# Step 3: Add policy rule
ip rule add from 172.18.0.0/16 table eth0table
# Step 4: Verify
ip rule show
ip route show table eth0table
# Step 5: Test connectivity
ping -c 4 10.1.0.1 # Example test