61
1.8 7 7. 8 7 7. 2 2 6 9 BLACKBOX.COM
NEED HELP?
LEAVE THE TECH TO US
LIVE 24/7
TECHNICAL
SUPPORT
1.8 77.877.2269
APPENDIX C. INVISAPC NETWORK PROTOCOLS OVERVIEW
InvisaPC uses standard IP protocols for communication between Receivers and Transmitters. Port 3389 is used for unicast
communications.
For management purposes some other ports are used. The Black Box Discovery protocol used UDP Multicast Group 224.0.1.249
(port 39150). This is sent by the Manager to discover InvisaPC devices in the network. The router must allow UDP Multicast
forwarding to allow devices on subnet different to where Manager is located to be discovered.
InvisaPC devices respond to the discovery multicast by sending a UDP unicast back to Manager IP address on the same port
(Port 39150).
Once an InvisaPC device is part of the managed domain, the Manager periodically “audits” the device to determine information such
as if the device on-line, who is logged into devices, device statistics, etc. These audit requests and responses are unicast UDP to
specific IP addresses (responses are sent back to Manager’s IP address) on port 39150.
On power-up, a Transmitter sends out a “here I am” multicast message on multicast group 225.0.0.37 on port 12345.
As part of management configuration, the Manager may communicate to a specific device on port 22 (TCP unicast
communications).
InvisaPC can operate across multiple VLANs or subnets. Basic IP networking rules need to be followed; there should be a router
in the network to enable the various devices on different subnets to communicate with each other.
To allow Black Box’s InvisaPC discovery protocol to operate, Multicast routing should be enabled. Black Box’s InvisaPC “discovery”
protocol is not required for InvisaPC systems to operate but it is recommended to enable an InvisaPC Manager to search
for devices across the network. If the InvisaPC discovery protocol is not enabled, i.e. router does not have multicast routing enabled,
the administrator will have to manually add in all devices not on its subnet, i.e. add in each device individually
by its IP address.
To Next Page
