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--- docpublic:systemes:linux:virt_kvm [2016/12/18 11:09]
procacci@tem-tsp.eu created
+++ docpublic:systemes:linux:virt_kvm [2017/02/22 18:21] (current)
procacci@tem-tsp.eu [add 2nd network on specific NIC]
@@ Line 4: / Line 4: @@
   * https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/sect-Virtualization_Host_Configuration_and_Guest_Installation_Guide-Host_Installation-Installing_KVM_packages_on_an_existing_Red_Hat_Enterprise_Linux_system.html
+==== install packages ====
+<code>
+[root@localhost ~]# yum groupinstall Virtualization
+[root@localhost ~]# yum groupinstall "Virtualization Client"
+</code>
+<code>
+[root@localhost ~]# service libvirtd status
+</code>
+==== VM pfsense ====
+<code>
+[root@localhost ~]# qemu-img create -f qcow2 /vm/kvm/pfsense.qcow2 10G
+[root@localhost iso]# virt-install --vcpus=1 --ram=1024 --name=pfsense --file=/vm/kvm/pfsense.qcow2 --cdrom=/vm/iso/pfSense-CE-2.3.2-RELEASE-amd64.iso --hvm --vnc --network bridge:virbr0
+</code>
+==== information reseau pfsense ====
+<code>
+[root@localhost ~]# brctl show
+bridge name	bridge id		STP enabled	interfaces
+virbr0		8000.5254005d4f0b	yes		virbr0-nic
+							vnet0
+[root@localhost ~]# ip addr
+...
+: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
+    link/ether 52:54:00:5d:4e:0a brd ff:ff:ff:ff:ff:ff
+    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
+       valid_lft forever preferred_lft forever
+: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000
+    link/ether 52:54:00:5d:4e:0a brd ff:ff:ff:ff:ff:ff
+: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UNKNOWN qlen 1000
+    link/ether fe:54:00:ad:70:82 brd ff:ff:ff:ff:ff:ff
+    inet6 fe80::fc54:ff:fead:7082/64 scope link
+       valid_lft forever preferred_lft forever
+[root@localhost ~]# nmap -sP 192.168.122.0/24
+Starting Nmap 6.40 ( http://nmap.org ) at 2016-12-18 13:04 CET
+Nmap scan report for 192.168.122.148
+Host is up (0.00021s latency).
+MAC Address: 52:54:00:AD:70:82 (QEMU Virtual NIC)
+Nmap scan report for 192.168.122.1
+Host is up.
+Nmap done: 256 IP addresses (2 hosts up) scanned in 4.68 seconds
+[root@localhost ~]# nmap 192.168.122.148
+Starting Nmap 6.40 ( http://nmap.org ) at 2016-12-18 13:05 CET
+Nmap scan report for 192.168.122.148
+Host is up (0.00030s latency).
+Not shown: 997 filtered ports
+PORT    STATE SERVICE
+/tcp  open  ssh
+/tcp  open  http
+/tcp open  https
+MAC Address: 52:54:00:AD:70:82 (QEMU Virtual NIC)
+</code>
+===== network =====
+  * https://wiki.libvirt.org/page/VirtualNetworking
+  * https://seravo.fi/2012/virtualized-bridged-networking-with-macvtap
+  * https://www.techotopia.com/index.php/Creating_a_CentOS_6_KVM_Networked_Bridge_Interface
+  * http://www.rendoumi.com/xu-ni-hua-wang-luo-bi-jiao-tun-tap-macvlan-macvtap/
+<code>
+[root@localhost ~]# virsh net-dumpxml default
+<network>
+  <name>default</name>
+  <uuid>048b8b48-18f5-4100-a708-c19df66bfabd</uuid>
+  <forward mode='nat'>
+    <nat>
+      <port start='1024' end='65535'/>
+    </nat>
+  </forward>
+  <bridge name='virbr0' stp='on' delay='0'/>
+  <mac address='52:54:00:5d:4f:0b'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254'/>
+    </dhcp>
+  </ip>
+</network>
+</code>
+locatio of xml file
+<code>
+[root@localhost ~]# ls  /etc/libvirt/qemu/networks/
+autostart  default.xml
+</code>
+==== dnsmasq ====
+lancé automatiquement par libvirt pour assurer la passralle DNS/DHCP
+<code>
+[root@localhost ~]# cat /var/lib/libvirt/dnsmasq/default.conf
+##WARNING:  THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
+##OVERWRITTEN AND LOST.  Changes to this configuration should be made using:
+##    virsh net-edit default
+## or other application using the libvirt API.
+##
+## dnsmasq conf file created by libvirt
+strict-order
+pid-file=/var/run/libvirt/network/default.pid
+except-interface=lo
+bind-dynamic
+interface=virbr0
+dhcp-range=192.168.122.2,192.168.122.254
+dhcp-no-override
+dhcp-lease-max=253
+dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
+addn-hosts=/var/lib/libvirt/dnsmasq/default.addnhosts
+[root@localhost ~]# cat /var/lib/libvirt/dnsmasq/default.hostsfile
+</code>
+==== add 2nd network on specific NIC ====
+  * https://doc.opensuse.org/documentation/leap/virtualization/html/book.virt/cha.libvirt.networks.html
+  * https://kashyapc.fedorapeople.org/virt/create-a-new-libvirt-bridge.txt
+definition manuelle du nouveau reseau
+<code>
+[root@localhost ~]# cat /root/p4p1-net.xml
+<network>
+ <name>p4p1_routed</name>
+ <bridge name="virbr1" />
+ <forward mode="route" dev="p4p1"/>
+ <ip address="192.168.22.1" netmask="255.255.255.0">
+  <dhcp>
+   <range start="192.168.22.2" end="192.168.22.254" />
+  </dhcp>
+ </ip>
+</network>
+</code>
+<code>
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+[root@localhost ~]# virsh net-define p4p1-net.xml
+Réseau p4p1_routed défini depuis p4p1-net.xml
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+ p4p1_routed          inactif    no            yes
+[root@localhost ~]# virsh net-start p4p1_routed
+Réseau p4p1_routed démarré
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+ p4p1_routed          actif      no            yes
+[root@localhost ~]# virsh net-autostart p4p1_routed
+Réseau p4p1_routed marqué en démarrage automatique
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+ p4p1_routed          actif      yes           yes
+[root@localhost ~]# ls  /etc/libvirt/qemu/networks/
+autostart  default.xml  p4p1_routed.xml
+[root@localhost ~]# cat /etc/libvirt/qemu/networks/p4p1_routed.xml
+<!--
+WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
+OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
+  virsh net-edit p4p1_routed
+or other application using the libvirt API.
+-->
+<network>
+  <name>p4p1_routed</name>
+  <uuid>1d3ddaa8-dffc-4194-a680-07680413daa2</uuid>
+  <forward dev='p4p1' mode='route'>
+    <interface dev='p4p1'/>
+  </forward>
+  <bridge name='virbr1' stp='on' delay='0'/>
+  <mac address='52:54:00:f6:a6:f4'/>
+  <ip address='192.168.22.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.22.2' end='192.168.22.254'/>
+    </dhcp>
+  </ip>
+</network>
+[root@localhost ~]#
+</code>
+==== retrait reseau ====
+<code>
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+ p4p1_routed          actif      yes           yes
+[root@localhost ~]# virsh net-destroy p4p1_routed
+Réseau p4p1_routed détruit
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+ p4p1_routed          inactif    yes           yes
+[root@localhost ~]# virsh net-undefine p4p1_routed
+Le réseau p4p1_routed n'est plus défini
+[root@localhost ~]# virsh net-list --all
+ Nom                  État      Démarrage automatique Persistent
+----------------------------------------------------------
+ default              actif      yes           yes
+[root@localhost ~]# ls  /etc/libvirt/qemu/networks/
+autostart  default.xml
+</code>
+==== ajout 2eme interface =====
+<code>
+[root@localhost ~]# brctl show
+bridge name	bridge id		STP enabled	interfaces
+virbr0		8000.5254005d4f0b	yes		virbr0-nic
+							vnet0
+virbr1		8000.525400f6a6f4	yes		virbr1-nic
+[root@localhost ~]# virsh attach-interface --domain pfsense --type bridge --source virbr1 --target eth2 --model virtioInterface attached successfully
+[root@localhost ~]#  virsh domiflist pfsense
+Interface  Type       Source     Model       MAC
+-------------------------------------------------------
+vnet0      bridge     virbr0     rtl8139     52:54:00:ad:7a:83
+eth2       bridge     virbr1     virtio      52:54:00:c9:23:02
+</code>

docpublic/systemes/linux/virt_kvm.1482059387.txt.gz · Last modified: 2016/12/18 11:09 by procacci@tem-tsp.eu

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