Verifying Communication Protocol; Checking For Firewalls; Measuring Latency And Packet Loss - Smart Technologies SMART Bridgit 4.5 Installation And System Administrator's Manual

Windows operating systems

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A P P E N D I X

Troubleshooting

Verifying communication protocol

SMART Bridgit software uses three types of network protocols:

TCP for data and video

UDP for VoIP audio

HTTP if a client is unable to connect to the server using TCP

Communications using TCP and UDP have lower network delays than those using HTTP protocol,

and using them helps to prevent latency issues.

Use SMART Bridgit software's troubleshooting tool to determine the network protocol you're using.

See Using the SMART Bridgit troubleshooting tool on page 58.

Ensure that values appear in the TCP Port and UDP Port fields. If these fields have N/A in them, or if

the Proxy Connection option is selected, contact your administrator to open the TCP and UDP ports

to connect to SMART Bridgit server. See Administering the server software on page 37. See

SMART Bridgit and firewalls on page 11 for information about configuring firewalls and proxy servers.

To determine if the client is behind a firewall

1. On the client computer, open the SMART Bridgit troubleshooting tool. See Using the

SMART Bridgit troubleshooting tool on page 58.

The Connection area displays the ports and protocols the client computer is using to

communicate with the server. If a client is communicating through a proxy server or if the

client's UDP and secondary TCP ports are blocked by a firewall, the Proxy Connection check

box is selected.

2. Contact your administrator to open the TCP and UDP ports to connect to SMART Bridgit

server

Packet loss occurs when one or more packets of data traveling across a computer network fail to

reach their destination. Packet loss rates depend on factors including bandwidth, communication

path reliability and router buffer size. When packets are lost, latency increases as the network

devices try to recover the information.

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