Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Guide d'installation télécharger pdf (Page 145)

Below is the commented out line and the new line, containing the network-xen-multi-

bridge parameter to enable multiple network bridges:

#network-script network-bridge

network-script network-xen-multi-bridge

4. Create a script to create multiple network bridges. This example creates a script called

network-xen-multi-bridge.sh in the /etc/xen/scripts/ directory. The following

example script will create two Xen network bridges (xenbr0 and xenbr1); one will be

attached to eth1 and the other one to eth0. To create additional bridges, follow the example

in the script and copy and paste the lines as required:

#!/bin/sh

# network-xen-multi-bridge

# Exit if anything goes wrong.

set -e

# First arg is the operation.

OP=$1

shift

script=/etc/xen/scripts/network-bridge.xen

case ${OP} in

start)

$script start vifnum=1 bridge=xenbr1 netdev=eth1

$script start vifnum=0 bridge=xenbr0 netdev=eth0

;;

stop)

$script stop vifnum=1 bridge=xenbr1 netdev=eth1

$script stop vifnum=0 bridge=xenbr0 netdev=eth0

;;

status)

$script status vifnum=1 bridge=xenbr1 netdev=eth1

$script status vifnum=0 bridge=xenbr0 netdev=eth0

;;

echo 'Unknown command: ' ${OP}

echo 'Valid commands are: start, stop, status'

exit 1

esac

5. Make the script executable.

# chmod +x /etc/xen/scripts/network-xen-multi-bridge.sh

6. Restart networking or restart the system to activate the bridges.

# service network restart

Multiple bridges should now be configured for guests on the Xen hypervisor.

11.2. Red Hat Ent erprise Linux 5.0 lapt op net work configurat ion

⁠Chapt er 1 1 . Pre- Red Hat Ent erprise Linux 5.4 Xen n et workin g

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Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Guide d'installation Page 145