virsh # net-list
Name State Autostart Persistent
--------------------------------------------------
NTNX-Local-Network active yes yes
VM-Network active yes yes
virsh # net-dumpxml VM-Network
<network connections='6'>
<name>VM-Network</name>
<uuid>2869d684-71ba-a598-5c4c-bff4a1566282</uuid>
<forward mode='bridge'/>
<bridge name='br0' />
<mac address='52:54:00:53:5C:E1'/>
<virtualport type='openvswitch'/>
<portgroup name='VM-Network' default='yes'>
</portgroup>
</network>
virsh # net-dumpxml NTNX-Local-Network
<network connections='1'>
<name>NTNX-Local-Network</name>
<uuid>74ee8a15-4400-05e5-4924-a4f073437b4d</uuid>
<forward mode='bridge'/>
<bridge name='brNutanix' />
<mac address='52:54:00:F1:FB:26'/>
<virtualport type='openvswitch'/>
<portgroup name='svm-iscsi-pg' default='yes'>
</portgroup>
</network>
virsh # net-info NTNX-Local-Network
Name NTNX-Local-Network
UUID 74ee8a15-4400-05e5-4924-a4f073437b4d
Active: yes
Persistent: yes
Autostart: yes
Bridge: brNutanix
virsh # net-info VM-Network
Name VM-Network
UUID 2869d684-71ba-a598-5c4c-bff4a1566282
Active: yes
Persistent: yes
Autostart: yes
Bridge: br0
[root@NTNX-12AM2K480036-A ~]# ifconfig br0
br0 Link encap:Ethernet HWaddr 00:25:90:84:1D:21
inet addr:10.3.200.19 Bcast:10.3.203.255 Mask:255.255.252.0
inet6 addr: fe80::225:90ff:fe84:1d21/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:100441421 errors:0 dropped:0 overruns:0 frame:0
TX packets:38563532 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:249788959789 (232.6 GiB) TX bytes:153229990823 (142.7 GiB)
[root@NTNX-12AM2K480036-A ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
NM_CONTROLLED="no"
ONBOOT="yes"
BOOTPROTO=none
IPADDR=10.3.200.19
NETMASK=255.255.252.0
GATEWAY=10.3.200.1
[root@NTNX-12AM2K480036-C ~]# virsh dominfo 1
Id: 1
Name: NTNX-12AM2K480036-C-CVM
UUID: 7508fc1b-d7de-5331-102a-4a41832831ce
OS Type: hvm
State: running
CPU(s): 8
CPU time: 3814975.4s
Max memory: 12574720 KiB
Used memory: 12574720 KiB
Persistent: yes
Autostart: enable
Managed save: no
Security model: selinux
Security DOI: 0
Security label: system_u:system_r:svirt_t:s0:c162,c801 (enforcing)
ovs-vsctl show --- Bridge is Vswitch, Port vnet is the individual vm ports., bond is NIC teaming. N
bee10d10-c5f2-4ede-a7d0-2b219507ff3b
Bridge "br0" ----- VM-Network
Port "vnet5"
Interface "vnet5"
Port "vnet6"
Interface "vnet6"
Port "br0"
Interface "br0"
type: internal
Port "vnet9"
Interface "vnet9"
Port "vnet10"
Interface "vnet10"
Port "vnet11"
Interface "vnet11"
Port "vnet4"
Interface "vnet4"
Port "vnet3"
Interface "vnet3"
Port "vnet7"
Interface "vnet7"
Port "vnet0"
Interface "vnet0"
Port "vnet8"
Interface "vnet8"
Port "bond-10g"
Interface "eth2"
Interface "eth3"
Port "vnet2"
Interface "vnet2"
Bridge brNutanix -----------------Nutanix Vsiwtch with one port
Port "vnet1"
Interface "vnet1"
Port brNutanix
Interface brNutanix
type: internal
Bridge "br1" ---
Port "bond-1g"
Interface "eth1"
Interface "eth0"
Port "br1"
Interface "br1"
type: internal
ovs_version: "1.9.0"
ovs-appctl ovsdb-tool ovs-pki
ovs-benchmark ovs-dpctl ovs-tcpundump
ovs-brcompatd ovs-ofctl ovs-vlan-test
ovs-bugtool ovs-parse-backtrace ovs-vsctl
ovsdb-client ovs-parse-leaks ovs-vswitchd
ovsdb-server ovs-pcap
Active/Passive
ovsdb-tool query
http://libvirt.org/formatnetwork.html
vswitch 1 br1 --- bond-1g --eth0,eth1 - we don' t use this
vswitch 2 br0 ---bond-10g --eth2 and eth3(not there in 24xx)
vswitch brNutanix - internal interface
ifconfig br0 and ifconfig eth2 has same mac address
[root@NTNX-12AM2K480036-B ~]# virsh net-dumpxml VM-VLAN60
<network>
<name>VM-VLAN60</name>
<uuid>afd477fe-6f2f-0b63-f83c-6bc3442684aa</uuid>
<forward mode='bridge'/>
<bridge name='br0' />
<virtualport type='openvswitch'/>
<portgroup name='VM-VLAN60' default='yes'>
<vlan>
<tag id='60'/>
</vlan>
</portgroup>
</network>
ovs-appctl bond/show bond-1g
---- bond-1g ----
bond_mode: active-backup
bond-hash-basis: 0
updelay: 0 ms
downdelay: 0 ms
lacp_status: off
slave eth0: enabled
active slave
may_enable: true
slave eth1: disabled
may_enable: false
[root@NTNX-12AM2K480036-B ~]# ovs-appctl bond/list
bond type slaves
bond-1g active-backup eth1, eth0
Add a additional management port
ovs-vsctl set port br1 tag=60
ifconfig br1
=====
Create two VMs and add them to same private vlan
virsh net-dumpxml VM-Network > /tmp/win20.net.xml
[root@NTNX-12AM2K480036-B ~]# cat /tmp/win20.net.xml
<network connections='10'>
<name>Bridge-20</name>
<forward mode='bridge'/>
<bridge name='br20' />
<virtualport type='openvswitch'/>
<portgroup name='Bridge-20' default='yes'>
</portgroup>
</network>
virsh net-define /tmp/win20.net.xml
virsh net-start Bridge-20
[root@NTNX-12AM2K480036-B ~]# virsh net-list
Name State Autostart Persistent
--------------------------------------------------
Bridge-20 active no yes
NTNX-Local-Network active yes yes
VM-Network active yes yes
VM-VLAN60 active no yes
Edit the VM.Xml and change the (virsh edit <vm name> add additonal VM
virsh destory and start
http://openvswitch.org/
Name State Autostart Persistent
--------------------------------------------------
NTNX-Local-Network active yes yes
VM-Network active yes yes
virsh # net-dumpxml VM-Network
<network connections='6'>
<name>VM-Network</name>
<uuid>2869d684-71ba-a598-5c4c-bff4a1566282</uuid>
<forward mode='bridge'/>
<bridge name='br0' />
<mac address='52:54:00:53:5C:E1'/>
<virtualport type='openvswitch'/>
<portgroup name='VM-Network' default='yes'>
</portgroup>
</network>
virsh # net-dumpxml NTNX-Local-Network
<network connections='1'>
<name>NTNX-Local-Network</name>
<uuid>74ee8a15-4400-05e5-4924-a4f073437b4d</uuid>
<forward mode='bridge'/>
<bridge name='brNutanix' />
<mac address='52:54:00:F1:FB:26'/>
<virtualport type='openvswitch'/>
<portgroup name='svm-iscsi-pg' default='yes'>
</portgroup>
</network>
virsh # net-info NTNX-Local-Network
Name NTNX-Local-Network
UUID 74ee8a15-4400-05e5-4924-a4f073437b4d
Active: yes
Persistent: yes
Autostart: yes
Bridge: brNutanix
virsh # net-info VM-Network
Name VM-Network
UUID 2869d684-71ba-a598-5c4c-bff4a1566282
Active: yes
Persistent: yes
Autostart: yes
Bridge: br0
[root@NTNX-12AM2K480036-A ~]# ifconfig br0
br0 Link encap:Ethernet HWaddr 00:25:90:84:1D:21
inet addr:10.3.200.19 Bcast:10.3.203.255 Mask:255.255.252.0
inet6 addr: fe80::225:90ff:fe84:1d21/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:100441421 errors:0 dropped:0 overruns:0 frame:0
TX packets:38563532 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:249788959789 (232.6 GiB) TX bytes:153229990823 (142.7 GiB)
[root@NTNX-12AM2K480036-A ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
NM_CONTROLLED="no"
ONBOOT="yes"
BOOTPROTO=none
IPADDR=10.3.200.19
NETMASK=255.255.252.0
GATEWAY=10.3.200.1
[root@NTNX-12AM2K480036-C ~]# virsh dominfo 1
Id: 1
Name: NTNX-12AM2K480036-C-CVM
UUID: 7508fc1b-d7de-5331-102a-4a41832831ce
OS Type: hvm
State: running
CPU(s): 8
CPU time: 3814975.4s
Max memory: 12574720 KiB
Used memory: 12574720 KiB
Persistent: yes
Autostart: enable
Managed save: no
Security model: selinux
Security DOI: 0
Security label: system_u:system_r:svirt_t:s0:c162,c801 (enforcing)
ovs-vsctl show --- Bridge is Vswitch, Port vnet is the individual vm ports., bond is NIC teaming. N
bee10d10-c5f2-4ede-a7d0-2b219507ff3b
Bridge "br0" ----- VM-Network
Port "vnet5"
Interface "vnet5"
Port "vnet6"
Interface "vnet6"
Port "br0"
Interface "br0"
type: internal
Port "vnet9"
Interface "vnet9"
Port "vnet10"
Interface "vnet10"
Port "vnet11"
Interface "vnet11"
Port "vnet4"
Interface "vnet4"
Port "vnet3"
Interface "vnet3"
Port "vnet7"
Interface "vnet7"
Port "vnet0"
Interface "vnet0"
Port "vnet8"
Interface "vnet8"
Port "bond-10g"
Interface "eth2"
Interface "eth3"
Port "vnet2"
Interface "vnet2"
Bridge brNutanix -----------------Nutanix Vsiwtch with one port
Port "vnet1"
Interface "vnet1"
Port brNutanix
Interface brNutanix
type: internal
Bridge "br1" ---
Port "bond-1g"
Interface "eth1"
Interface "eth0"
Port "br1"
Interface "br1"
type: internal
ovs_version: "1.9.0"
ovs-appctl ovsdb-tool ovs-pki
ovs-benchmark ovs-dpctl ovs-tcpundump
ovs-brcompatd ovs-ofctl ovs-vlan-test
ovs-bugtool ovs-parse-backtrace ovs-vsctl
ovsdb-client ovs-parse-leaks ovs-vswitchd
ovsdb-server ovs-pcap
Active/Passive
ovsdb-tool query
http://libvirt.org/formatnetwork.html
vswitch 1 br1 --- bond-1g --eth0,eth1 - we don' t use this
vswitch 2 br0 ---bond-10g --eth2 and eth3(not there in 24xx)
vswitch brNutanix - internal interface
ifconfig br0 and ifconfig eth2 has same mac address
[root@NTNX-12AM2K480036-B ~]# virsh net-dumpxml VM-VLAN60
<network>
<name>VM-VLAN60</name>
<uuid>afd477fe-6f2f-0b63-f83c-6bc3442684aa</uuid>
<forward mode='bridge'/>
<bridge name='br0' />
<virtualport type='openvswitch'/>
<portgroup name='VM-VLAN60' default='yes'>
<vlan>
<tag id='60'/>
</vlan>
</portgroup>
</network>
ovs-appctl bond/show bond-1g
---- bond-1g ----
bond_mode: active-backup
bond-hash-basis: 0
updelay: 0 ms
downdelay: 0 ms
lacp_status: off
slave eth0: enabled
active slave
may_enable: true
slave eth1: disabled
may_enable: false
[root@NTNX-12AM2K480036-B ~]# ovs-appctl bond/list
bond type slaves
bond-1g active-backup eth1, eth0
Add a additional management port
ovs-vsctl set port br1 tag=60
ifconfig br1
=====
Create two VMs and add them to same private vlan
virsh net-dumpxml VM-Network > /tmp/win20.net.xml
[root@NTNX-12AM2K480036-B ~]# cat /tmp/win20.net.xml
<network connections='10'>
<name>Bridge-20</name>
<forward mode='bridge'/>
<bridge name='br20' />
<virtualport type='openvswitch'/>
<portgroup name='Bridge-20' default='yes'>
</portgroup>
</network>
virsh net-define /tmp/win20.net.xml
virsh net-start Bridge-20
[root@NTNX-12AM2K480036-B ~]# virsh net-list
Name State Autostart Persistent
--------------------------------------------------
Bridge-20 active no yes
NTNX-Local-Network active yes yes
VM-Network active yes yes
VM-VLAN60 active no yes
Edit the VM.Xml and change the (virsh edit <vm name> add additonal VM
virsh destory and start
http://openvswitch.org/
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