[CentOS] Poor perfmance of bridged interfaces

[Sergio Belkin]

2015-11-12 18:07 GMT-03:00 James A. Peltier <jpeltier at sfu.ca>:

> ----- Original Message -----
> | Hi,
> |
> | I've created a bridge using 2 interfaces and have a lot of messages as
> | follows:
> |
> | nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own
> | address as source address
> | nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own
> | address as source address
> |
> | And the operating systems is extremely slow
> |
> | Interfaces files :
> |
> | [root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-*
> | DEVICE=br0
> | TYPE=Bridge
> | BOOTPROTO=dhcp
> | ONBOOT=yes
> | #STP=on
> | #DELAY=0
> | NM_CONTROLLED=no
> | DEVICE=enp0s3
> | #HWADDR=08:00:27:AB:1D:E6
> | BOOTPROTO=none
> | ONBOOT=yes
> | NM_CONTROLLED=no
> | BRIDGE=br0
> |
> | DEVICE=enp0s8
> | HWADDR=08:00:27:A3:98:E6
> | BOOTPROTO=none
> | ONBOOT=yes
> | NM_CONTROLLED=no
> | BRIDGE=br0
> | DEVICE=lo
> | TYPE=loopback
> | IPADDR=127.0.0.1
> | NETMASK=255.0.0.0
> | NETWORK=127.0.0.0
> | # If you're having problems with gated making 127.0.0.0/8 a martian,
> | # you can change this to something else (255.255.255.255, for example)
> | BROADCAST=127.255.255.255
> | ONBOOT=yes
> | NAME=loopback
> |
> | I've disabled NetworkManager, but problem persists.
> |
> | System is:
> |
> | [root at localhost ~]# uname -a
> | Linux localhost 3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014
> | x86_64 x86_64 x86_64 GNU/Linux
> |
> | And is virtualized on VirtualBox
> |
> | Please could you help me to fix it?
> |
> | Thanks in advance!
> |
> | --
> | --
> | Sergio Belkin
> | LPIC-2 Certified - http://www.lpi.org
>
> You have a bridge with two interfaces on the same lan?  You're likely
> creating the topology loop with this configuration.  What is it that you're
> attempting to do here?
>
>
> --
> James A. Peltier
> IT Services - Research Computing Group
> Simon Fraser University - Burnaby Campus
> Phone   : 604-365-6432
> Fax     : 778-782-3045
> E-Mail  : jpeltier at sfu.ca
> Website : http://www.sfu.ca/itservices
> Twitter : @sfu_rcg
> Powering Engagement Through Technology
> _______________________________________________
>


I'm trying to create  virtualized linux bridge, I've enabled STP and even
with a forward delay with 300 but no luck...


-- 
--
Sergio Belkin
LPIC-2 Certified - http://www.lpi.org