Configuring the Media Router role - Security Center 5.11

You can configure the Media Router role settings to optimize the throughput and increase the security of your private network.

1. From the Config Tool homepage, open the Video task and click the Roles and units view.
2. Select the Media Router role.
3. (Optional) Click the Resources tab, and configure the following:
   1. Change the role’s primary server.
   2. To configure failover for the Media Router, add a standby server.
4. Click the Properties tab.
5. To secure and authenticate RTSP video requests in Security Center, enable Secure communication.
   When secure communication is enabled, all video communications use RTSP over TLS, but only the RTSP control channel is encrypted for live video streaming. To encrypt the video data channel, set the camera encryption to In transit from Archiver or In transit and at rest. Video playback and video export always use RTSP over TCP, therefore the RTSP control channel and the video data channel are both encrypted.

   IMPORTANT: Secure communication is enabled by default on new installations, but disabled if you upgraded from version 5.5 or earlier. When secure communication is turned on, Security Center systems older than 5.5 cannot federate your Security Center system.
6. In the Multicast section, if the default Start address and port settings conflict with other applications on your system, select different values for your local and federated streams.
   In multicast, all audio and video sources are streamed to different multicast addresses while using the same port number, because multicast switches and routers use the destination IP address to make their routing decisions. Similarly, in its default configuration, the Media Router assigns that same port number to all streaming devices (microphones and cameras), starting with the specified IP address, and adding 1 for every new device it encounters.
7. If your system has a has a lot of multicast traffic, turn on the Increment ports option (off by default).
   When this option is turned on, the Media Router increments the port number by 2 for every multicast address. Even port numbers are used for data transmission, while odd port numbers are used for RTCP control messages. This strategy is used to overcome a known Windows limitation that puts a cap on the bandwidth of a single port at around 100 Mbps. When the maximum value (65535) is reached, the port number restarts from the value that you configured.
8. Add or change the redirector configurations.
9. Click Apply.