Network bridge not working under Debian

tmn29a

Hello,
although I don't like to post off topic stuff on LET, I have to be one of the increasing people that post something irrelevant to LEB. But it has to do something with virtuallization, so I hope you forgive me.
I have a problem with a bridge on a remote server. I posted the question on serverfault, but the responses were meager to say the least. I hope some of you can help me.

http://serverfault.com/questions/396963/cant-ping-ip-over-bridge

Feel free to comment either here or on SF. Thanks a lot !

miTgiB

Well, I was going to suggedt NEIGHBOUR_DEVS=all in your vz.conf file, but you are using vnet and looks like you solved it already

taipres

Flush FTW!

tmn29a

@taipres said: Flush FTW!

I assume you refer to iptables :

iptables --list
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

But just to be sure I flushed again and still the same...

tmn29a

@miTgiB said: Well, I was going to suggedt NEIGHBOUR_DEVS=all in your vz.conf file, but you are using vnet and looks like you solved it already

I'm not sure what you mean, but a quick google makes me think you're talking about OpenVZ - I'm using KVM

taipres

@tmn29a said: I assume you refer to iptables

was referring to

"Found the answer! Linux ethernet bridge consults ebtables to decide which packets to forward and which to drop. Flushing ebtables solved my problem."

tmn29a

@taipres said: was referring to

"Found the answer! Linux ethernet bridge consults ebtables to decide which packets to forward and which to drop. Flushing ebtables solved my problem."

Ok, huge personal fail - Copy/pasted the wrong link. Sorry -.-
It's fixed now !

Corey

On a side note I don't see how this is offtopic since it's about virtualization.

miTgiB

@tmn29a said: I'm using KVM

Here is a working config from my home KVM box, should be very similar to what you are trying to do

$ sudo cat /etc/network/interfaces
auto lo
iface lo inet loopback

###Adapter bonding for eth0 and eth1 and eth2
auto bond0
iface bond0 inet manual
        bond-slaves none
        bond-mode 802.3ad
        bond-miimon 100

auto eth0
iface eth0 inet manual
        bond-master bond0

auto eth3
iface eth3 inet manual
        bond-master bond0

auto eth4
iface eth4 inet manual
        bond-master bond0

auto br0
iface br0 inet static
        address 192.168.2.2
        netmask 255.255.255.0
        gateway 192.168.2.1
        bridge-ports bond0
        bridge-fd 9
        bridge-hello 2
        bridge-maxage 12
        bridge-stp off

tmn29a

@Corey said: On a side note I don't see how this is offtopic since it's about virtualization.

Wasn't sure - for me LET is about LEB and I'm not a big fan of posting random stuff in this forum, but you have a point. Will remove the tag.

@miTgiB

It is very similar, but with the exception, that I want the bonding interface to have its own IP.

miTgiB

@tmn29a said: I want the bonding interface to have its own IP.

That is where you are probably having the problem, you know my config works, start there and get your system working, then move on from there with custom things you wish to do.

tmn29a

As I wrote on SF the bond0 has to keep it's IP since a lot of scripts/services rely on it. But non the less thanks for posting your config