LinuxQuestions.org
LinuxAnswers - the LQ Linux tutorial section.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Networking
User Name
Password
Linux - Networking This forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.

Notices

Reply
 
Search this Thread
Old 04-06-2009, 01:30 AM   #1
jayadhanesh
Member
 
Registered: Feb 2009
Location: Bangalore
Posts: 60

Rep: Reputation: 15
brctl error???


Hi,

I have a TAP interface (tap0) and ethernet interface (eth0) added to
a bridge br0. I used brctl command to creating and adding the interface to the bridge. If a packet comes with a destination MAC which is not in the
bridging table, the tap receives it which is as expected. But if i do a ping
to eth0 from another machine, the ping fails. When I run ethereal, Iam able
to see the ICMP request packets on eth0 and br0. Why is ping failing?
Why is the bridge not giving the ICMP packets to the IP stack?

Thanks,
Dhanesh.
 
Old 04-06-2009, 01:42 AM   #2
blackhole54
Senior Member
 
Registered: Mar 2006
Posts: 1,896

Rep: Reputation: 61
Did you "bring up" the bridge interface? (If you want the computer to be able t up"to use the interface, after creating the bridge you have to "bring up" the bridge interface with ifconfig.) You can see what interfaces are active by running ifconfig w/o any parameters.

Do you have a firewall on this machine that is blocking either the ping or the response?

Last edited by blackhole54; 04-06-2009 at 01:45 AM.
 
Old 04-07-2009, 08:44 AM   #3
jayadhanesh
Member
 
Registered: Feb 2009
Location: Bangalore
Posts: 60

Original Poster
Rep: Reputation: 15
Yes, I bought the bridge up and also assigned an IP address.
Iam not running any firewall. I have a few sockets created in the application running. Will these sockets create problem in bridging?
 
Old 04-07-2009, 10:47 PM   #4
blackhole54
Senior Member
 
Registered: Mar 2006
Posts: 1,896

Rep: Reputation: 61
Quote:
Originally Posted by jayadhanesh View Post
I have a few sockets created in the application running. Will these sockets create problem in bridging?
The socket creation is beyond my experience, but I wouldn't think it would cause problems. I am not sure what is going on. Sorry ...
 
  


Reply

Tags
bridge


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
brctl on a VMware machine fr_laz Linux - Networking 0 04-28-2006 04:15 AM
brctl:package not instlled kartheekpn Linux - Networking 7 03-13-2005 10:05 PM
dono how to compile brctl joirnange Linux - Newbie 2 02-20-2005 03:08 AM
what package provides brctl in Suse 9.2? moskito01 Suse/Novell 1 01-02-2005 04:58 PM
Using ebtables and brctl kayser Linux - Networking 0 05-03-2004 08:33 AM


All times are GMT -5. The time now is 05:21 AM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration