[CentOS] Poor perfmance of bridged interfaces

[Sergio Belkin]

2015-11-13 8:22 GMT-03:00 Sergio Belkin <sebelk at gmail.com>:

>
>
> 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
>

I get an IP via dhcp but cannot ping only at host machine

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