bridge、2つのIP設定、macvlan

bridge

• vyattaラボ | ubuntuでブリッジを作成

/etc/network/interface

auto br0
iface br0 inet static
	address 192.168.100.61
	netmask 255.255.255.0
	gateway 192.168.100.1
	dns-nameservers 8.8.8.8 8.8.4.4
	#
	bridge_ports enp2s0
	bridge_maxwait 0
	bridge_df 0
	bridge_stp off

$ brctl show
bridge name	bridge id		STP enabled	interfaces
br0			8000.000000000000	no		enp2s0
docker0		8000.000000000000	no		
lxcbr0		8000.000000000000	no		
virbr0		8000.000000000000	yes		virbr0-nic

---

IP２つ目割り当て

eth0と同じmacアドレスでeth0:0を作成

作成

$ ifconfig eth0:0 192.168.11.99/24

削除

ifconfig eth0:0 down

/etc/network/interfaces

/etc/network/interfaces

 iface eth0:0 inet static
 	address 192.168.11.99
 	netmask 255.255.255.0

仮想NIC

eth0と違うmacアドレスでmacvlan0を作成

作成

$ sudo ip link add dev macvlan0 link eth0 type macvlan
$ sudo ifconfig macvlan0 up
$ sudo dhclient macvlan0

• Centos5.8だとUbuntuとip コマンドオプションが異なる様子。

削除

$ sudo ifconfig macvlan0 down
$ sudo ip link del dev macvlan0

/etc/network/interfaces

/etc/network/interfaces

iface macvlan0 inet static
  address 192.168.11.98
  netmask 255.255.255.0
  pre-up ip link add macvlan0 link eth0 type macvlan

lxc

/var/lib/lxc//config

lxc.network.type=macvlan
lxc.network.macvlan.mode=bridge
lxc.network.link=eth0
lxc.network.flags=up
lxc.network.name=eth0