IXrouter 3.21 firmware (replaced by 3.21.1)

IXrouter firmware release

  • Week 02
  • Firmware version: 3.21

What is the IXON weekly update?
A couple of times a year a new IXrouter firmware version will be released. This update informs you on everything that was added to, changed and fixed in this firmware version. The same release notes can be found in the platform when selecting a firmware version under Fleet Manager > Devices > Device > Info > Hardware and firmware > Firmware version > Manage.


  • Allow multiple data sources on the same host and ip
  • Add increase aggregator
  • Add udp-broadcast-relay configuration to the web interface
  • Enable ftp specific conntrack rules
  • [opc-ua] add client description
  • [opc-ua] password encryption support
  • [opc-ua] reading array and specifying index range
  • [opc-ua] respect MaxNodesPerRead


  • Fix issue with firewall VPN to WAN access
  • Handle AT&T 3G sunset
  • Security fixes
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Regression issue found - release has been rolled back

A regression issue has been found with firmware 3.21, where IXrouters running hundreds of data tags may experience connectivity issues. To mitigate the possible impact, the release has been rolled back while the issue is being further investigated.