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Linux CLI Ethernet Testing Tool
License: MIT License
This project forked from jwbensley/etherate
Linux CLI Ethernet Testing Tool
License: MIT License
Etherate ======== What is it: The original idea was to provide a simple speed testing program that with any modern day CPU could saturate a gigabit Ethernet link, with any typical off the shelf/on-board GigE NIC. Programs such as iPerf/jPerf (there are many others!) exist and are mostly excellent at this. They can saturate a link or connection to measure throughput or simulate congestion, but they operate at layer 4 of the OSI model using either TCP or UDP for data transport. This is fine for WAN testing or testing over a layer 3 boundary, across the Internet (home broadband or tail circuit diagnostics etc). Etherate is a Linux CLI program for testing layer 2 Ethernet circuits. The original design scope has been widened and improved upon to create a CLI testing program for layer 2 connectivity that performs a variety of tests and generates many more stats and metrics than speed. Why was it Made: Hardware testers can be used to test a layer 2 link end to end but these are typically very expensive and most techies are already carrying a laptop around. After the initial beta release the goal for Etherate is to start to bring in RFC2544 and ITU-T Y.1564 measurement compliance testing, OAM testing, MPLS and VPLS testing and stress testing. Free Ethernet testing for all! Current Features: Now in the beta stages and out of alpha its time to start improving on the original code and add more functions. This are the current working features: - Any EtherType - Any Source MAC and/or Destination MAC - Any VLAN ID - Any priority (PCP) value - Supports double tagging (inner and outer VLAN ID and PCP) - Toggle DFI bit - Toggle frame acknowledgement - Optional speed limit in Mbps or Frames/p/s - Optional frame payload size - Optional transfer limit in MBs/GBs - Optional test duration - Perform MTU sweeping test Development Plan These are features that will be in development after the beta is released; - Add L2 storm testing (broadcast and multicast without no RX host) - Add feature to load frame payload from a text file - Add BPDU & keepalive generation shortcuts - Report throughput if additional headers (IPv4/6/TCP/UDP) were present - Simulate large MPLS label stacks (4/5/6 labels etc) Technical details: In the alpha stage Etherate is single threaded and only runs a single test between a transmitting and receiving host. Later development will see it turn to bidirectional more complex testing. Usage Examples: "./etherate -x" will display some example of the CLI syntex. The traffic is easily identified in Wireshark as Etherate uses MAC addresses from the IANA unassigned space. The TX host is 01 and the RX host is 02: eth.addr == 00:00:5e:00:00:01 || eth.addr == 00:00:5e:00:00:02 or eth.addr contains 00:00:5e:00:00 More info: http://null.53bits.co.uk/index.php?page=etherate Who made it: James Bensley <[email protected]>
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