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Date: Wed, 30 Jun 2010 13:20:50 +0530
From: ratheesh k <ratheesh.ksz@...il.com>
To: Stephen Hemminger <shemminger@...ux-foundation.org>
Cc: Netfilter mailing list <netfilter@...r.kernel.org>,
netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: [Bridge] Bridge blocking network traffic
>>On Fri, Apr 23, 2010 at 1:39 AM, Stephen Hemminger <shemminger@...ux-foundation.org> wrote:
>>You are supposed to assign IP address to bridge not the member of the bridge
Why is it so ?
I have a linux machine with interfaces eth0 (192.168.1.100 ) and
eth1 ( 192.168.2.100 ) . . I can connect both eth0 an eth1 to a
hardware HUB . How could i do this in linux machine itself using
brctl ?
Thanks,
Ratheesh
> On Thu, 22 Apr 2010 10:48:09 +1000
> benno joy <bennojoy@...il.com> wrote:
>
>> Dear Team,
>>
>> I have a strange problem...... This is my problem i have a linux box running
>> Xen kernel (2.2). and i have the a bonding interface called bond0.497(eth0
>> and eth1 and also des Vlan tagging).
>> the bond0.497 is part of the bridge "xenbrv497", the issue is as soon as i
>> make the bond a part of the bridge my network traffic stops to work.
>> I did some prelimanary tests and found the following:
>> 1) if i assighn an ip to the bond and do a ping to the gateway it works
>> (provided it is not part of bridge xenbrv497)
>> 2) if i add the bondig interface to the brodge xenbrv497 (brclt addif
>> xenbrv497 bond0.497) the ping tests fails.
>> 3) i did a tcpdump and found that arp requests are going out of the
>> interface and we are getting response also. but soemhow
>> the arp entries are not gettign registered. i did some googling and found it
>> may be because of filtering so i disabled it by
>> echo 0 > in /proc/sys/net/bridge/bridge-nf-*.
>> But even this did not help still the arp entries are not getting registered
>> due to which my network traffic is gettign dropped.
>> This problem can be resolved by a reboot. but i would like to troubleshoot
>> it.
>> Could you please let me know how i can get more debugging message from the
>> bridge calls so i can figure out what exactly is happening.
>>
>> # uname -a
>> Linux vmclkxstgh04.espdev.aurdev.national.com.au 2.6.18-128.2.1.4.13.el5xen
>> #1 SMP Mon Dec 7 14:34:40 EST 2009 i686 i686 i386 GNU/Linux
>>
>> [root@...lkxstgh04 ~]# brctl show
>> bridge name bridge id STP enabled interfaces
>> vlan441 8000.0017a4770470 no bond0.441
>> xenbrv205 8000.0017a477046c no bond1.205
>> xenbrv208 8000.0017a477046c no bond1.208
>> xenbrv220 8000.000000000000 no
>> xenbrv221 8000.000000000000 no
>> xenbrv226 8000.0017a477046c no vif40.1
>> vif39.1
>> vif37.1
>> vif26.1
>> vif25.1
>> vif24.1
>> vif13.1
>> bond1.226
>> xenbrv227 8000.0017a4770470 no vif40.0
>> vif39.0
>> vif37.0
>> vif26.0
>> vif25.0
>> vif24.0
>> vif13.0
>> bond0.227
>> xenbrv420 8000.0017a4770470 no bond0.420
>> xenbrv422 8000.0017a4770470 no vif35.0
>> vif7.0
>> vif6.0
>> vif4.0
>> vif3.0
>> vif2.0
>> tap2.0
>> bond0.422
>> xenbrv425 8000.0017a4770470 no bond0.425
>> xenbrv450 8000.0017a4770470 no bond0.450
>> xenbrv492 8000.0017a4770470 no bond0.492
>> xenbrv493 8000.0017a4770470 no bond0.493
>> xenbrv494 8000.0017a4770470 no bond0.494
>> xenbrv495 8000.0017a4770470 no bond0.495
>> xenbrv496 8000.0017a4770470 no bond0.496
>> xenbrv497 8000.0017a4770470 no bond0.497
>> xenbrv701 8000.0017a477046c no vif44.1
>> bond1.701
>>
>> bond0.497 Link encap:Ethernet HWaddr 00:17:A4:77:04:70
>> inet addr:10.12.166.231 Bcast:10.12.166.255 Mask:255.255.255.224
>> UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
>> RX packets:3807595 errors:0 dropped:0 overruns:0 frame:0
>> TX packets:3304 errors:0 dropped:0 overruns:0 carrier:0
>> collisions:0 txqueuelen:0
>> RX bytes:188847200 (180.0 MiB) TX bytes:138768 (135.5 KiB)
>
> You are supposed to assign IP address to bridge not the member of the bridge.
>
>
> --
> _______________________________________________
> Bridge mailing list
> Bridge@...ts.linux-foundation.org
> https://lists.linux-foundation.org/mailman/listinfo/bridge
>
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