[SOLVED] invisible bridge

[pixel]

can you make a vmbr on a bond with no ip address? i tried, but the host only creates the bond, not the bridge. (ifconfig could not find it) tried adding a guest but that failed saying vmbr1 doesnt exist. added an address and it worked. was hoping to keep the bridge invisible on the network.

 

[spirit]

you can create a vmbr without ip address.

But you can't setup an ip address on an eth or bond, if it's enslaved to a bridge. (in this case, you need to setup ip on the bridge)

 

[pixel]

it let me do that, but after rebooting, vmbr1 didnt exist. i had to give it an ip address just to get it to stay.

 

[spirit]

please post your /etc/network/interfaces

 

[pixel]

# network interface settings
auto lo
iface lo inet loopback

iface eth0 inet manual

iface eth2 inet manual

iface eth4 inet manual

iface eth1 inet manual

iface eth3 inet manual

iface eth5 inet manual

auto bond0
iface bond0 inet manual
slaves eth1 eth3
bond_miimon 100
bond_mode 802.3ad

auto bond1
iface bond1 inet manual
slaves eth0 eth2
bond_miimon 100
bond_mode active-backup
primary eth0

auto bond2
iface bond2 inet manual
slaves eth4 eth5
bond_miimon 100
bond_mode 802.3ad

auto vmbr0
iface vmbr0 inet static
address 10.1.10.21
netmask 255.255.255.0
gateway 10.1.10.1
bridge_ports bond0
bridge_stp off
bridge_fd 0

auto vmbr1
iface vmbr1 inet static
address 10.1.0.21
netmask 255.255.255.0
bridge_ports bond1
bridge_stp off
bridge_fd 0

auto vmbr2
iface vmbr2 inet static
address 10.3.10.21
netmask 255.255.255.0
bridge_ports bond2
bridge_stp off
bridge_fd 0

 

[spirit]

So, if you don't defined any ip on vmbr1, it doesn't work ?

somethinh like:

auto vmbr1
iface vmbr1 inet manual
bridge_ports bond1
bridge_stp off
bridge_fd 0

(note that you need to use "inet manual" instead "inet static",
if you don't have defined ip)

 

[pixel]

s/static/manual/ did it. thanks