A number of people have asked for the modified program and its source, so I have created this page. The original program was released under the GPL. Peter Anvin, and I (Brian Towne) modified it somewhat to better suit my needs.
Various output modes exist including an interactive curses interface,lightweight HTML output but also formatable ASCII output.īwbar is a small C-based program for Linux-based machines which produces bandwidth usage statistics for a network interface. It supports various input methods for different architectures.
UBUNTU LAN SPEED TEST PORTABLE
HTTP, TCP, UDP, ICMP, VPN, and P2P traffic are color coded.īmon is a portable bandwidth monitor and rate estimator running on various operating systems. Furthermore, each ip address's utilization can be logged out at intervals of 3.3 minutes, 10 minutes, 1 hour or 12 hours in cdf format, or to a backend database server. Charts are built by individual IPs, and by default display utilization over 2 day, 8 day, 40 day, and 400 day periods. The greater the capacity, the more likely that greater performance will follow, though overall performance also depends on other factors, such as latency.īandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. The term comes from the field of electrical engineering, where bandwidth represents the total distance or range between the highest and lowest signals on the communication channel (band).īandwidth represents the capacity of the connection. One most commonly expresses bandwidth in terms of bits per second (bps).
Bandwidth in computer networking refers to the data rate supported by a network connection or interface.
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