Macvlan
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important
!main interface musn't have a IP
set links
- ip link add link eth0 mac0 address 00:22:22:22:22:00 type macvlan
- ip link add link eth0 mac1 address 00:22:22:22:22:11 type macvlan
- ip link add link eth0 mac2 address 00:22:22:22:22:22 type macvlan
set ips
- ip addr add 192.168.244.180/21 brd + dev mac0
- ip addr add 192.168.244.181/21 brd + dev mac1
- ip addr add 192.168.244.182/21 brd + dev mac2
bring the interfaces up
- ip link set dev eth0 up
- ip link set dev mac0 up
- ip link set dev mac1 up
- ip link set dev mac2 up
settings in proc system
- echo 1 >/proc/sys/net/ipv4/conf/all/arp_ignore
- echo 2 >/proc/sys/net/ipv4/conf/all/arp_announce
- echo 2 >/proc/sys/net/ipv4/conf/all/rp_filter
script
#!/bin/bash case $1 in start) echo start macvlan ip link add link eth0 mac0 address 00:22:22:22:22:00 type macvlan ip link add link eth0 mac1 address 00:22:22:22:22:11 type macvlan ip link add link eth0 mac2 address 00:22:22:22:22:22 type macvlan ip addr add 192.168.244.180/21 brd + dev mac0 ip addr add 192.168.244.181/21 brd + dev mac1 ip addr add 192.168.244.182/21 brd + dev mac2 ip link set dev eth0 up ip link set dev mac0 up ip link set dev mac1 up ip link set dev mac2 up echo 1 >/proc/sys/net/ipv4/conf/all/arp_ignore echo 2 >/proc/sys/net/ipv4/conf/all/arp_announce echo 2 >/proc/sys/net/ipv4/conf/all/rp_filter ;; stop) echo stop macvlan echo 0 >/proc/sys/net/ipv4/conf/all/arp_ignore echo 0 >/proc/sys/net/ipv4/conf/all/arp_announce echo 0 >/proc/sys/net/ipv4/conf/all/rp_filter ip link set dev mac0 down ip link set dev mac1 down ip link set dev mac2 down ip link set dev eth0 down ip addr del 192.168.244.180/21 brd + dev mac0 ip addr del 192.168.244.181/21 brd + dev mac1 ip addr del 192.168.244.182/21 brd + dev mac2 ip link del link eth0 mac0 address 00:22:22:22:22:00 type macvlan ip link del link eth0 mac1 address 00:22:22:22:22:11 type macvlan ip link del link eth0 mac2 address 00:22:22:22:22:22 type macvlan ;; esac