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
- Overlap flow
- Vlan Isolation
- ARP Flow in Combinated Mode Table
- Priority of Arp flow
- Limitations on trident3
OVS CLI Enhancements
Configuring Meter
Configuration saving
Configuring Buffer management
Configuring snmp
Configuring/Enabling SNMPv3
Configuring Precision Time Protocol
Configuring Tunneling
- Configuring GRE
- Configuring L2MPLS
- Configuring MPLS
- Configuring VXLAN
- Configuring L2GRE
- Configuring PBB
- Configuring QinQ
- Decapsulation by pop actions
Configuring Bridge and Ports
- Configuring TPID in Port
- Configuring LFS
- Configuring bridge
- Configuring CDR
- Configuring CFM
- Configuring Loopback
- Configuring ports in bridge
- Configuring ovs Remotely
Configuring LAG and LACP
- Lag Resilient hash
- Symmetric Hashing in lag and ecmp
- Adding LAG and LACP
- Lag hash
- GTP hash
Configuring QoS
- WRED
- Configuring QoS scheduler
- CoS Mapping
- Vlan Priority CoS Mapping
Configuring Flow Table
- Configuring Multi-Table
- Configuring egress flow table
- Configuring udf flow
- Configuring TTP
- Configuring option-match-vlan-type
- Optimizing TCAM Usage
- Combinated Mode
- Goto_table
- Configuring ECMP
- Configuring Flow Handling Mode
- Configuring NAT flow
- VN-tag
Configuring Group
- Creating a Group Table
- Ecmp Select Group
- Mirror Group
- LAG Select Group
Configuring Controller or Manager
- Creating SSL Connection to a Controller
- Connecting to a Controller
- Connecting to Manager
Configuring Counter
- Drop counter
- Clear counter
- Counter Interval
- Port Counter Interval
Switching Open vSwitch version
Configuring rate limit
Configuring IPv4/IPv6 address for management port
Configuring the Duplex Mode of Optical Port
Configuring Port Speed on AS9716-32D

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