Re: [Xen-users] advanced bridging...

["louis nerion" <louis.nerion@xxxxxxxxx>]

Hello, i've some remarks!

2007/5/3, Marc Patino Gómez <mpatino@xxxxxxxxxxxx>:

Hi again,

this is the config of xen in my Debian Etch:

/etc/xen/xend-config

(network-script network-bridge-wrapper)
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 0)
(vncpasswd '')
---------------------------------------------------------------------------

/etc/xen/scripts/network-bridge-wrapper

/etc/xen/scripts/network-bridge start bridge=xenbr0 vifnum=0
/usr/sbin/brctl addbr xenbr1
/sbin/ifconfig xenbr1 up
----------------------------------------------------------------------------

the domu (Firewall)

/etc/xen/firewall-config.sxp


name="firewall"
kernel="/boot/vmlinuz- 2.6.16.33-xenU-x86_64"
root="/dev/hda1"
cpu=3
memory=256
disk=['file:/xen1/firewall.img,hda1,w']

vif=[
'mac=00:16:3e:70:21:02,bridge=xenbr0,vifname=firewall.eth0','mac=00:16:3e:70:32:02,bridge=xenbr1,vifname= firewall.eth1'
]
dhcp="off"
ip="XX.XX.XX.XX"
netmask="255.255.255.0"
gateway="XX.XX.XX.XX"

In my mind, there is a problem here, because you define one ip=" XX.XX.XX.XX" but you define two vif ...
So where this ip is allocated? vifname=firewall or vifname=firewall.eth1?

hostname="firewall.domain.com"

extra="3"

>on_reboot   = 'restart'
on_crash    = 'restart'
-------------------------------------------------------------------------------

in this domU (the firewall) I have a bridge between eth1 and eth0, you
can do in CentOS way (inside the domain) ;)


here is the config file of a domu behind the FW:

/etc/xen/domu-config.sxp
name="domu"
kernel="/boot/vmlinuz-2.6.16.33-xenU-x86_64"
root="/dev/hda1"
cpu=3
memory=92
disk=['file:/xen1/domu.img,hda1,w']

vif=[ 'bridge=xenbrFW , vifname=domu.eth0' ]
dhcp="off"
ip="XX.XX.XX.XX"

Here it 's good ! One ip for one vif !

netmask="255.255.255.0"
gateway="XX.XX.XX.XX"
hostname="domu.domain.com"

extra="3"


on_reboot   = 'restart'
on_crash    = 'restart'
----------------------------------------------------------------------------------------------------


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