Choosing An IP Address Scheme for Logitek AoIP

Choosing An IP Address Scheme for Logitek AoIP

Set up a private IP address range that doesn't conflict with other subnets in your network, and keep your Audio over IP devices in that range. We don't have a preference, just pick something that works for your facility.

Not to get too deep in the weeds, but there's two sets of addresses at play here. The addresses that you are setting are for the network interface cards for the equipment. These all belong in the same subnet, and they should be segmented on their own physical network or at least their own Virtual Local Area Network (VLAN). Within this network are the multicast and unicast streams, each which gets its own IP in a reserved range. You will not be setting the stream addresses; your AoIP equipment manages these behind the scenes. But when you set the IPs of the network cards in your equipment to be in the same subnet and have them in their own LAN/VLAN, your equipment will take care of getting the audio where it needs to go.

When it comes to the question of using dynamic IP (DHCP) or static IP, we're big fans of using DHCP, especially if you are running Dante. Dante devices (and for that matter, the tiny processors that power the networking on the Logitek NET67 and JET67) need to establish a valid IP address for the network stack to finish booting up, meaning even if you want to set them to static, they have to get a valid address from DHCP before you can log in and change the setup... and sometimes the little processor running the network stack will fight you trying to get that static IP address set up. If you have a rack full of Dante gear to set up, DHCP means plug and play in minutes and static means spend half a day fussing with it. Our current recommended switch, the Cisco SG-350 series, has a built-in DHCP server, so it's super easy to go from out of the box to on the air using DHCP.

Your audio network is a combination of multicast (AES-67) and unicast (Dante, if equipped). Our preference is to keep things physically separate, with a core audio switch in a central rack room and the JET67 engines going back to the core. The JET67 has a built in switch to connect extra devices within the studio. For radio automation, you should have one NIC on your automation computer to handle the AoIP streaming and one NIC handling the automation files on its own LAN or VLAN.

For television automation and the JetStream Plus, there are separate network connections. TV Automation (ELC/Overdrive/MOSart) is on its own LAN/VLAN (usually shared with video playout control) which connects to the embedded PC in the JetStream, marked Admin Net. AoIP connects to NET 1 or NET 2 on the audio networking/DSP card in the far right hand side of the frame.
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