# Configure IP
ifconfig ib0 192.168.0.11/16
ifconfig ib1 192.168.1.11/16

# Then do the routing configuration as below
echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
echo 1 > /proc/sys/net/ipv4/conf/all/accept_local
echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce

ip rule add from all lookup local pref 100
ip rule del pref 0

# Configure Interface ib0
ip rule add iif ib0 lookup local pref 0
ip rule add from 192.168.0.11 table 10 pref 10
ip route add 192.168.0.0/16 dev ib0 src 192.168.0.11 table 10
ip route add local 192.168.0.11 dev ib0 src 192.168.0.11 table 10

# Configure Interface ib1
ip rule add iif ib1 lookup local pref 0
ip rule add from 192.168.1.11 table 11 pref 10
ip route add 192.168.0.0/16 dev ib1 src 192.168.1.11 table 11
ip route add local 192.168.1.11 dev ib1 src 192.168.1.11 table 11

# Choose the default output source port (rather than loopback)
ip rule add to 192.168.0.11 table 10 pref 10
ip rule add to 192.168.1.11 table 11 pref 10

# Make sure cache is flushed
ip route flush cache