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Version 16 of the Zixi Broadcaster includes some changes that require special attention when upgrading from previous versions of the Zixi Broadcaster to V16 or downgrading from V16 back to previous versions. 

License Server Changes

With V16 of the Zixi Broadcaster, an additional license server is being used by the Broadcaster and needs to be whitelisted in firewalls on networks hosting the Zixi Broadcaster.  The new FQDN to whitelist is license2.zixi.com.  The existing FQDN, license.zixi.com, is also still in use and needs to be whitelisted. 

The IP addresses for the following license servers are static should be whitelisted. When whitelisting, the FQDN will not be supported:

• 52.72.218.41

• 34.195.97.223

• 3.140.62.221

• 3.137.16.26

Upgrading to V16 Using the UI Upgrade Mechanism

With the addition of ARM builds on Linux, the installation directory for Zixi Broadcaster/ZEC has been updated in V16.  Previously, the Linux X86 64-bit Broadcaster was extracted to a directory named zixi_broadcaster-centos7-transcoder. 

• The new directory for the Linux X86 64-bit Broadcaster is zixi_broadcaster-linux64. 

• The directory for the ARM Graviton2 build is zixi_broadcaster-graviton2 .

• The directory for the ARM Raspberry Pi build is zixi_broadcaster-raspberry. 

• The Graviton2 build uses the neoverse-n1 compile flag and can be used on any ARM v8 64-bit processor compatible with this compile flag. 

• The Raspberry Pi build can be used on any ARM v8 64-bit processor.

When you upgrade a Broadcaster from Linux X86 64-bit V15 or prior versions to v16 using the web UI, the new installation directory will be created and the following config files will be copied over to the new directory:

• broadcaster-config.xml

• broadcaster-info.xml

• profiles.xml

• broadcaster.lic

The ./files directory in the original installation directory, zixi_broadcaster-centos7-transcoder, is not copied over to the new installation directory, zixi_broadcaster-linux64, but instead a symlink is created from the old directory to the new directory.  This directory can be very large with transport stream recordings and copying it to the new installation directory risks filling the hard drive, so the symlink is the safer option for an automated upgrade.

To copy the Broadcaster installation directory and to create the symlink in the new directory:

Run the following commands:

$ service zixibc stop
$ cd zixi_broadcaster-linux64
$ rm -r cache
$ ln -s ../zixi_broadcaster-centos7-transcoder/cache .
$ service zixibc start

After moving the config files, the zixibc service, which runs the Broadcaster as a service, will be restarted to point to the v16 Broadcaster in the new “zixi_broadcaster-linux64” directory.