Open vSwitch (also known as OVS), is an open source, multilayer virtual switch. It’s designed to bring new levels of automation to networks through programmatic extensions and is used in many large production networks. Open vSwitch can be deployed as both a soft switch running on a hypervisor and as a control stack in switching silicon. It has been ported to various virtualization platforms and switching chipsets. It is the default switch in XenServer 6.0 and the Xen Cloud Platform, according to the Linux Foundation, which oversees the Open vSwitch project. It also supports Xen, KVM, Proxmox VE and VirtualBox. It supports standard management interfaces and protocols such as NetFlow, sFlow, IPFIX, RSPAN, CLI, LACP and 802.1ag.

Open vSwitch is included in the Pica8 PICOS network operating system, running as a process in PICOs. This document describes how to configure Open vSwitch in PICOS on an open white box switch.

Basic Configuration in OVS Mode
Configuring sFlow v5
Configuring Port Mirroring
OVSDB file
OVS LLDP
Enabling Radius in PicOS OVS Mode
Inventory Database
Broadcom Chip Limitation in OVS
- Vlan Isolation
- ARP Flow in Combinated Mode Table
- Overlap flow
- Priority of Arp flow
Ovs CLI Enhancements
Configuring Meter
Configuration saving
Configuring Buffer management
Configuring snmp
Configuring Precision Time Protocol
Configuring Tunneling
- Configuring MPLS
- Configuring L2GRE
- Configuring PBB
- Configuring L2MPLS
- Configuring VXLAN
- Configuring QinQ
- Configuring GRE
Configuring Bridge and Ports
- 40G/100G Changes to 4*10G/25G in OVS
- Configuring TPID in Port
- Configuring ovs Remotely
- Configuring LFS
- Configuring ports in bridge
- Configuring CDR
- Configuring bridge
- Configuring Loopback
- Configuring CFM
Configuring LAG and LACP
- Lag hash
- Adding LAG and LACP
- GTP hash
- Lag Resilient hash
- Symmetric Hashing in lag and ecmp
Configuring QoS
- Configuring QoS scheduler
- CoS Mapping
- WRED
- Vlan Priority CoS Mapping
Configuring Flow Table
- Configuring NAT flow
- Optimizing TCAM Usage
- Configuring Multi-Table
- Configuring Flow Handling Mode
- Configuring TTP
- Configuring option-match-vlan-type
- Combinated Mode
- Configuring egress flow table
- Configuring ECMP
- Goto_table
- Configuring udf flow
- VN-tag
Configuring Group
- LAG Select Group
- Mirror Group
- Creating a Group Table
- Ecmp Select Group
Configuring Controller or Manager
- Creating SSL Connection to a Controller
- Connecting to a Controller
- Connecting to Manager
Configuring Counter
- Clear counter
- Drop counter
- Counter Interval
- Port Counter Interval
Switching Open vSwitch version
Configuring rate limit

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