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- #!/bin/sh -e
- # ====================================================================
- #
- # --------------------------------------------------------------------
- IF1=eth0
- IF2=eth1
- IF3=eth2
- IF4=eth3
- # ====================================================================
- #
- # --------------------------------------------------------------------
- IP1=10.0.0.1/24
- IP2=10.0.0.2/24
- IP3=10.0.0.3/24
- IP4=10.0.0.4/24
- # ====================================================================
- #
- # --------------------------------------------------------------------
- TBL1=500
- TBL2=501
- TBL3=502
- TBL4=503
- # ====================================================================
- # move local routing rule to lower priority
- # --------------------------------------------------------------------
- ip rule add pref 1000 lookup local
- #ip rule del pref 0
- # ====================================================================
- # only reply to ARP requests for addresses configured on the device
- # --------------------------------------------------------------------
- echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
- # ====================================================================
- # configure device and force packets of bound sockets out on eth1
- # --------------------------------------------------------------------
- ip address add dev ${IF1} ${IP1}
- echo 1 > /proc/sys/net/ipv4/conf/${IF1}/accept_local
- ip link set ${IF1} up
- ip rule add pref ${TBL1} oif ${IF1} lookup ${TBL1}
- ip route add default dev ${IF1} table ${TBL1}
- # ====================================================================
- # configure device and force packets of bound sockets out on eth2
- # --------------------------------------------------------------------
- ip address add dev ${IF2} ${IP2}
- echo 1 > /proc/sys/net/ipv4/conf/${IF2}/accept_local
- ip link set ${IF2} up
- ip rule add pref ${TBL2} oif ${IF2} lookup ${TBL2}
- ip route add default dev ${IF2} table ${TBL2}
- # ====================================================================
- # configure device and force packets of bound sockets out on ${IF3}
- # --------------------------------------------------------------------
- ip address add dev ${IF3} ${IP3}
- echo 1 > /proc/sys/net/ipv4/conf/${IF3}/accept_local
- ip link set ${IF3} up
- ip rule add pref ${TBL3} oif ${IF3} lookup ${TBL3}
- ip route add default dev ${IF3} table ${TBL3}
- # ====================================================================
- # configure device and force packets of bound sockets out on ${IF4}
- # --------------------------------------------------------------------
- ip address add dev ${IF4} ${IP4}
- echo 1 > /proc/sys/net/ipv4/conf/${IF4}/accept_local
- ip link set ${IF4} up
- ip rule add pref ${TBL4} oif ${IF4} lookup ${TBL4}
- ip route add default dev ${IF4} table ${TBL4}
|
