Alain BARTHE a écrit :
Désolé que ça ne marche toujours pas...
Par contre, tu confirmes ? On peut installer un domU sur un VLAN ? Il
faut que je regarde ça... Moi aussi j'ai un bridge par VLAN, mais je
les crée par un script séparé, je n'ai pas touché au script de xen.
xen-fr-bounces@xxxxxxxxxxxxxxxxxxx a écrit sur 03/04/2008 13:59:28 :
> Alain BARTHE a écrit :
> >
> > Bonjour,
> >
> Merci de ta reponse.
> Je vais tester ca de suite.
> En fait j'arrive tres bien a installer des configurations plus "simple"
> c'est à dire meme version d'os et d'architecture dans des vlans
differents.
> j'ai simplement modifie le script network-script pour creer un bridge
> par vlan.
>
> je le tiens a disposition si necessaire.
>
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je te mets en attachement les deux scripts
dans /etc/xen/xend-config.sxp
remplacer
network-script network-bridge
par
network-script network-multi-vlan
dans le script network-multi-vlan tu rajoutes autant de ligne que de
vlan que tu desires
# Once all normal bridges are active, create any vlan-based briges.
"$dir/network-bridge-vlan" "$@" vlan=15
tu redemares xend et le tour est joué
#!/bin/sh
#============================================================================
# Xen vlan bridge start/stop script.
# Xend calls a network script when it starts.
# The script name to use is defined in /etc/xen/xend-config.sxp
# in the network-script field.
#
# This script creates a bridge (default vlanbr${vlan}), creates a device
# (default eth0.${vlan}), and adds it to the bridge. This scrip assumes
# the Dom0 does not have an active interface on the selected vlan; if
# it does the network-bridge script should be used instead.
#
# To use this script, vconfig must be installed.
#
# Usage:
#
# network-bridge-vlan (start|stop|status) {VAR=VAL}*
#
# Vars:
#
# vlan The vlan to bridge (default 2)
# bridge The bridge to use (default vlanbr${vlan}).
# netdev The interface to add to the bridge (default eth0}).
#
# Internal Vars:
# vlandev="${netdev}.${vlan}"
#
# start:
# Creates the bridge
# Adds vlandev to netdev
# Enslaves vlandev to bridge
#
# stop:
# Removes vlandev from the bridge
# Removes vlandev from netdev
# Deletes bridge
#
# status:
# Print vlan, bridge
#
#============================================================================
dir=$(dirname "$0")
. "$dir/xen-script-common.sh"
findCommand "$@"
evalVariables "$@"
vlan=${vlan:-2}
bridge=${bridge:-vlanbr${vlan}}
netdev=${netdev:-eth0}
vlandev="${netdev}.${vlan}"
##
# link_exists interface
#
# Returns 0 if the interface named exists (whether up or down), 1 otherwise.
#
link_exists()
{
if ip link show "$1" >/dev/null 2>/dev/null
then
return 0
else
return 1
fi
}
# Usage: create_bridge bridge
create_bridge () {
local bridge=$1
# Don't create the bridge if it already exists.
if ! brctl show | grep -q ${bridge} ; then
brctl addbr ${bridge}
brctl stp ${bridge} off
brctl setfd ${bridge} 0
fi
ip link set ${bridge} up
}
# Usage: add_to_bridge bridge dev
add_to_bridge () {
local bridge=$1
local dev=$2
# Don't add $dev to $bridge if it's already on a bridge.
if ! brctl show | grep -q ${dev} ; then
brctl addif ${bridge} ${dev}
fi
}
# Usage: show_status vlandev bridge
# Print vlan and bridge
show_status () {
local vlandev=$1
local bridge=$2
echo '============================================================'
cat /proc/net/vlan/${vlandev}
echo ' '
brctl show ${bridge}
echo '============================================================'
}
op_start () {
if [ "${bridge}" = "null" ] ; then
return
fi
# if ! link_exists "$netdev"; then
# return
# fi
# if link_exists "$vlandev"; then
# # The device is already up.
# return
# fi
create_bridge ${bridge}
ip link set ${netdev} up
vconfig set_name_type DEV_PLUS_VID_NO_PAD
vconfig add ${netdev} ${vlan}
ip link set ${vlandev} address fe:ff:ff:ff:ff:ff
ip link set ${vlandev} up
ip link set ${bridge} up
add_to_bridge2 ${bridge} ${vlandev}
}
op_stop () {
if [ "${bridge}" = "null" ]; then
return
fi
if ! link_exists "$bridge"; then
return
fi
if link_exists "$vlandev"; then
ip link set ${vlandev} down
brctl delif ${bridge} ${vlandev}
ip link set ${bridge} down
vconfig rem ${vlandev}
fi
brctl delbr ${bridge}
}
# adds $dev to $bridge but waits for $dev to be in running state first
add_to_bridge2() {
local bridge=$1
local dev=$2
local maxtries=10
echo -n "Waiting for ${dev} to negotiate link."
for i in `seq ${maxtries}` ; do
if ifconfig ${dev} | grep -q RUNNING ; then
break
else
echo -n '.'
sleep 1
fi
done
if [ ${i} -eq ${maxtries} ] ; then echo '(link isnt in running state)' ; fi
add_to_bridge ${bridge} ${dev}
}
case "$command" in
start)
op_start
;;
stop)
op_stop
;;
status)
show_status ${vlandev} ${bridge}
;;
*)
echo "Unknown command: $command" >&2
echo 'Valid commands are: start, stop, status' >&2
exit 1
esac
#!/bin/sh
#============================================================================
# Xen vlan bridge start/stop script.
# Xend calls a network script when it starts.
# The script name to use is defined in /etc/xen/xend-config.sxp
# in the network-script field.
#
# This script creates multiple bridges to segregate individual domUs to
# separate VLANs. Customize to fit your needs.
#
# Usage:
#
# network-multi-vlan (start|stop|status)
#
#============================================================================
dir=$(dirname "$0")
##
# To make the tagged interface available to some DomUs, create the default
# bridge. Comment this out to only make vlan-based bridges available.
#"$dir/network-bridge" "$@" vifnum=0
##
# Once all normal bridges are active, create any vlan-based briges.
"$dir/network-bridge-vlan" "$@" vlan=15
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