flexiWAN Release 4.2.2

Release 4.2.2 includes:

  • flexiManage release 4.2.16

  • flexiEdge release 4.2.14

Release Notes:

flexiWAN is the world’s first open source SD-WAN with a modular and open architecture.

Version 4.2.1 was released on Aug, 2021. This version introduces security firewall, Advanced OSPF configuration and static routes redestributions, bridge configuration on LAN, and bug fixes. Version 4.2.2 released on October and include critical bug fixes.

There are three options for hosting flexiManage, each relevant for companies with a different set of requirements. All of these options come with support services.

  • SaaS model in a shared environment - flexiManage hosted by flexiWAN

  • Dedicated environment - a dedicated, white-label deployment just for you

  • Self-hosting - self-hosting of flexiManage is typically best for large service providers

More information about these 3 options and in order to understand which of these is best for you, please read this blog post. Pricing information can be found here.

Please contact us for further questions.

New in this release:

  • Security firewall

  • Ability to setup a LAN bridge configuration

  • Advanced OSPF configurations

  • Static routes redistributions

  • Scale improvements

  • Coredump saving for better troubleshooting

  • Other Bug fixes

Supported and Planned Features

The list of supported and planned features description can be found in the Feature Overview page

Please send us your feature needs and prioritization.

REST API changes in this release

List of REST API Changes



Backward Compatible?

GET /jobs

Add pargination with sort and order new fields


Firewall Policies, PUT /devices/{id}

New set of APIs to provision firewall policies and device specific policies


ALL /devices/{id}

Add OSPF configuraiton


ALL /devices/{id}

Change device connection status to deviceStatus (instead of status)


ALL /devices/{id}

New error field to reflect access to flexiEdge errors


ALL /devices/{id}

Change WifiAvailableNetworks to InterfaceOperationResponse


GET /devices/{id}/routes

Add destination and protocol fields to show multi-path


ALL static routes

Allow to configure static route redestribution


GET /configuration/restServers

Return list of servers


ALL /devices/{id} - Interfaces

Change static route interface to ifName


Known Issues

List of Known Issues



UI hangs on Redis failure

When redis fails, UI might hang and not complete the request

During login, the username email is case sensitive

The email used in account creation and login is case sensitive

Slow websocket connection during heavy load

During heavy traffic load, device connection to flexiManage may be impacted

On unstable/slow connections some jobs may fail on timeout

In most cases the system recover itself by re-syncing the configuration

Switching WiFi from 2.4Ghz to 5Ghz doesn’t restart DHCP server

To restart the DHCP server for the WiFi interface, stop and start the flexiEdge router

Inbound WAN ICMP with small identifier is dropped

Inbound WAN ICMP with Identifier smaller or equal to 1024 may be dropped