xuanyuanaosheng opened a new issue #5426:
URL: https://github.com/apache/cloudstack/issues/5426
##### ISSUE TYPE
* Enhancement Request
* Documentation Report
##### OS / ENVIRONMENT
1. OS Version: Red Hat Enterprise Linux Server release 7.9 (Maipo)
3. cloudstack version: cloudstack-agent-4.15.1.0-1.el8.x86_64\
4. openvswitch-2.12.0-1.el7.x86_64
The cloudstack work node is using KVM + openvswitch
(http://docs.cloudstack.apache.org/en/latest/installguide/hypervisor/kvm.html#configuring-the-network-bridges-for-openvswitch
)
The
---
The related configuration is as below:
The switch configuration:
mode=4 and allowed vlan 136,290,291
```
interface Ethernet7/40
description to server Jethro1 eth0/0
switchport
switchport mode trunk
switchport trunk allowed vlan 136,290-291
channel-group 704 mode active
no shutdown
```
First we create a main bridge connected to the bond0 interface. Next we
create three fake bridges, each connected to a specific vlan tag.
# ovs-vsctl add-br cloudbr
# ovs-vsctl add-bond cloudbr bond0 ens2f0 ens2f1
# ovs-vsctl set port cloudbr trunks=136,290,291
# ovs-vsctl add-br mgmt0 cloudbr 136
# ovs-vsctl add-br cloudbr0 cloudbr 290
# ovs-vsctl add-br cloudbr1 cloudbr 291
The ifcfg-ens2f0 network configuration:
```
TYPE=Ethernet
BOOTPROTO=none
UUID=f8a7f9c7-b5fc-4887-a656-50b9e0cd787b
DEVICE=ens2f0
ONBOOT=yes
```
The ifcfg-ens2f1 network configuration:
```
TYPE=Ethernet
BOOTPROTO=none
UUID=0e8b0ab7-63c6-4704-9c27-01ee68098d6f
DEVICE=ens2f1
ONBOOT=yes
```
The ifcfg-bond0 configuration:
```
DEVICE=bond0
NAME=bond0
BOOTPROTO=none
ONBOOT=yes
HOTPLUG=no
TYPE=OVSBond
DEVICETYPE=ovs
OVS_BRIDGE=cloudbr
BOND_IFACES="ens2f0 ens2f1"
OVS_OPTIONS="bond_mode=balance-tcp lacp=active"
```
The ifcfg-mgmt0 configuration:
```
DEVICE=mgmt0
DEVICETYPE=ovs
TYPE=OVSBridge
BOOTPROTO=none
ONBOOT=yes
HOTPLUG=no
IPADDR=10.67.39.250
NETMASK=255.255.252.0
GATEWAY=10.67.39.254
```
The ifcfg-cloudbr0 configuration:
```
DEVICE=cloudbr0
BOOTPROTO=none
ONBOOT=yes
HOTPLUG=no
TYPE=OVSBridge
DEVICETYPE=ovs
```
The ifcfg-cloudbr1 configuration：
```
DEVICE=cloudbr1
BOOTPROTO=none
ONBOOT=yes
HOTPLUG=no
TYPE=OVSBridge
DEVICETYPE=ovs
```
The ovs-vsctl command is :
```
# ovs-vsctl show
fd8f7b60-f922-462f-b5c1-a9742e00bf89
Bridge cloudbr
Port cloudbr
trunks: [136, 290, 291]
Interface cloudbr
type: internal
Port "mgmt0"
tag: 136
Interface "mgmt0"
type: internal
Port "bond0"
Interface "ens2f0"
Interface "ens2f1"
Port "cloudbr0"
tag: 290
Interface "cloudbr0"
type: internal
Port "cloudbr1"
tag: 291
Interface "cloudbr1"
type: internal
ovs_version: "2.12.0"
```
The ovs-appctl bond/show command is
```
# ovs-appctl bond/show
---- bond0 ----
bond_mode: balance-tcp
bond may use recirculation: yes, Recirc-ID : 1
bond-hash-basis: 0
updelay: 0 ms
downdelay: 0 ms
next rebalance: 736 ms
lacp_status: negotiated
lacp_fallback_ab: false
active slave mac: 48:df:37:5f:62:08(ens2f1)
slave ens2f0: enabled
may_enable: true
slave ens2f1: enabled
active slave
may_enable: true
hash 250: 6 kB load
```
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