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solution [message #32191 is a reply to message #32094]

Thu, 24 July 2008 19:23

jiadar
Messages: 4
Registered: July 2008

Junior Member

I've solved this. Apparently, red hat insists that you follow their
convention for creating the bridge. Creating the bridge by using brctl
directly does not work. The following configurations solve the
problem.

1. Create a file /etc/sysconfig/network-scripts/ifcfg-br0

Put in the IP information that was in your primary physical ethernet
device. Change the device from "eth0" to "br0" and type from "ether"
to "Bridge".

2. Modify the /etc/sysconfig/network-scripts/ifcfg-eth0

Modify your primary ethernet interface to be a member of the bridge
with no IP information. Set it to use the bridge.

3. Add a file for each of your veth devices. For instance, for
vethX.0, add a file /etc/sysconfig/network-scripts/ifcfg-vethX.0.

This file is almost the same as eth0. You will add the vethX.0 device
to the bridge.

My actual configuration files are below:

================ifcfg-br0=================
DEVICE=br0
BOOTPROTO=static
BROADCAST=10.0.129.255
IPADDR=10.0.129.4
IPV6INIT=yes
IPV6_AUTOCONF=yes
NETMASK=255.255.255.0
NETWORK=10.0.129.0
ONBOOT=yes
GATEWAY=10.0.129.1
TYPE=Bridge

================ifcfg-eth0=================
DEVICE=eth0
TYPE=ether
BRIDGE=br0
ONBOOT=yes

================ifcfg-veth109.0=================
DEVICE=veth109.0
ONBOOT=yes
STARTMODE=onboot
BRIDGE=br0

================brctl show br0==================
bridge name bridge id STP enabled interfaces
br0 8000.0018510bd235 no veth109.0
eth0
================route -n==================
Destination Gateway Genmask Flags Metric Ref
Use Iface
10.0.129.0 0.0.0.0 255.255.255.0 U 0 0
0 br0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
0 br0
0.0.0.0 10.0.129.1 0.0.0.0 UG 0 0
0 br0

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[Message index]

		SOLVED DHCP server problem inside centos 5.2 VE By: jiadar on Mon, 21 July 2008 06:26
		Re: DHCP server problem inside centos 5.2 VE By: jiadar on Mon, 21 July 2008 16:42
		Re: DHCP server problem inside centos 5.2 VE By: maratrus on Tue, 22 July 2008 10:58
		Re: DHCP server problem inside centos 5.2 VE By: jiadar on Tue, 22 July 2008 21:28
		Re: DHCP server problem inside centos 5.2 VE By: samuthiram on Fri, 16 April 2010 16:12
		solution By: jiadar on Thu, 24 July 2008 19:23
		Re: solution By: luisdev on Thu, 13 November 2008 18:31
		Re: solution By: samuthiram on Fri, 16 April 2010 09:13

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