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Network Requirements for Live and VOD

Applies to

  • Cablecast 5.3.0+

Answer

To setup your Cablecast system for VOD and Live Streaming, You will need a public IP address for your Pro, ProVOD, Live330, and SX Live server in your system. These addresses need to be available from the public internet. Access to these machines can be achieved either by port forwarding or network address translation (NAT). See below for additional information.

 
NOTE: Valid Port Forwards

If you are configuring your system to use with Cablecast Reflect the port values must be in the 80, 443, 1024-65535 range to be compatible with The Cablecast Reflect Streaming Service.

 

Setting Up Access

Cablecast needs to access port 80 via standard http. No other ports are needed. The most common way to setup access is through a port forward. A port forward works by mapping different ports on a single public IP address to different servers on the internal network. As mentioned in the warning above, when using port forwarding you must use external ports in the 1024 to 65535 range to be compatible with Cablecast Reflect. An example of a typical port forward setup is shown in the table below.

Server Internal IP Internal Port External Port Traffic
ProVOD 192.168.0.100 80 80 TCP
Live A 192.168.0.101 80 8081 TCP
Live B 192.168.0.102 80 8082 TCP

Another method of allowing Cablecast Reflect to access your servers is via network address translation (NAT). NAT works by mapping multiple external public IP address to internal IP address on your network. A typical NAT setup is shown in the table below.

Server Internal IP External IP
ProVOD 192.168.0.100 64.233.160.0
Live A 192.168.0.101 64.233.160.1
Live B 192.168.0.102 64.233.160.2

You should consult with your network administrator to setup either port forwarding or NAT translation for your Cablecast system.

 

A Note On Security

As mentioned above, Cablecast VOD and Live only needs access to TCP port 80 on your Cablecast Servers. It is best practice to not allow other access ports to your system.

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