Parallel packet processing: Difference between revisions
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== What is '''Parallel Packet | == What is '''Parallel Packet Processing?''' == | ||
The ''' | The '''parallel packet processing''' mode allows you to analyze historic packets in parallel to the live analytics on one Allegro Network Multimeter. The Allegro supports '''pcap files''' and '''ring Buffers''' as input for the '''parallel packet processing'''. | ||
== How can I configure ''' | == How can I configure '''parallel packet processing?''' == | ||
You can enable ''' | You can enable '''parallel packet processing''' at '''Settings''' → '''Global settings''' → '''pcap parallel analysis'''. This mode has 3 options: | ||
* Globally enable/disable this mode | * Globally enable/disable this mode | ||
| Line 11: | Line 11: | ||
* Number of offline analysis slots ( default 1 ) | * Number of offline analysis slots ( default 1 ) | ||
[[File:Parallel | [[File:Parallel pcap processing configuration.png|border|400px]] | ||
Allegro recommends you enable | Allegro recommends you enable parallel packet processing with default values and restart the processing. Please be aware that your current measurement will be lost when restarting the processing. | ||
== How can I use ''' | == How can I use '''parallel Packet processing?''' == | ||
=== | === pcap Upload === | ||
Once you have enabled this feature and restarted the processing, you can use it by uploading a | Once you have enabled this feature and restarted the processing, you can use it by uploading a pcap file at '''Generic''' → '''PCAP analysis'''. Please select a pcap file here. | ||
[[File:Pcap Analysis before start.png|800px]] | [[File:Pcap Analysis before start.png|800px]] | ||
Once a file is selected and you press ''' | Once a file is selected and you press '''Analyze pcap''', the following pop-up will appear: | ||
[[File:Pcap Analysis dialogue.png|400px]] | [[File:Pcap Analysis dialogue.png|400px]] | ||
The Option '''Use a packet buffer...''' will store a temporary second | The Option '''Use a packet buffer...''' will store a temporary second ring buffer on the storage device to allow pcap extraction after the pcap upload. This option is only available if there is a storage device attached. | ||
Once you click OK, the file will be uploaded and | Once you click OK, the file will be uploaded and analyzed immediately. If the upload is complete, you will see the following dialogue | ||
[[File:Pcap Analysis upload succesful.png|400px]] | [[File:Pcap Analysis upload succesful.png|400px]] | ||
To switch between the | To switch between the pcap and the live analysis, use the selector in the top menu. | ||
[[File:Pcap Analysis selector.png|border|300px]] | [[File:Pcap Analysis selector.png|border|300px]] | ||
The Allegro Network Multimeter will keep the replay open even if you close the browser session. You can terminate the | The Allegro Network Multimeter will keep the replay open even if you close the browser session. You can terminate the pcap replay session at the dashboard: | ||
[[File:Pcap Analysis dashboard.png|border|900px]] | [[File:Pcap Analysis dashboard.png|border|900px]] | ||
=== ''' | === '''ring buffer analysis''' === | ||
The | The ring buffer analysis works similar to the pcap upload, except that a part or the total ring buffer is used. Please navigate to the ring buffer statistics at '''Generic''' → '''Packet ring buffer'''. Select a time which can be re-analyzed. | ||
[[File:Ring buffer Analysis button.png|border|900px]] | [[File:Ring buffer Analysis button.png|border|900px]] | ||
Then press the button '''Analyze | Then press the button '''Analyze packet ring buffer''' below the graphs and the following dialogue will appear. | ||
[[File:Ring buffer Analysis dialogue.png|500px]] | [[File:Ring buffer Analysis dialogue.png|500px]] | ||
Here you can select the replay slot. Once the replay is started, you can proceed like the | Here you can select the replay slot. Once the replay is started, you can proceed like the pcap upload and select the replay and terminate it on the dashboard. | ||
Revision as of 13:12, 16 April 2020
What is Parallel Packet Processing?
The parallel packet processing mode allows you to analyze historic packets in parallel to the live analytics on one Allegro Network Multimeter. The Allegro supports pcap files and ring Buffers as input for the parallel packet processing.
How can I configure parallel packet processing?
You can enable parallel packet processing at Settings → Global settings → pcap parallel analysis. This mode has 3 options:
- Globally enable/disable this mode
- Reserved memory in percent of main memory ( default 10 percent )
- Number of offline analysis slots ( default 1 )
Allegro recommends you enable parallel packet processing with default values and restart the processing. Please be aware that your current measurement will be lost when restarting the processing.
How can I use parallel Packet processing?
pcap Upload
Once you have enabled this feature and restarted the processing, you can use it by uploading a pcap file at Generic → PCAP analysis. Please select a pcap file here.
Once a file is selected and you press Analyze pcap, the following pop-up will appear:
File:Pcap Analysis dialogue.png
The Option Use a packet buffer... will store a temporary second ring buffer on the storage device to allow pcap extraction after the pcap upload. This option is only available if there is a storage device attached.
Once you click OK, the file will be uploaded and analyzed immediately. If the upload is complete, you will see the following dialogue
To switch between the pcap and the live analysis, use the selector in the top menu.
The Allegro Network Multimeter will keep the replay open even if you close the browser session. You can terminate the pcap replay session at the dashboard:
ring buffer analysis
The ring buffer analysis works similar to the pcap upload, except that a part or the total ring buffer is used. Please navigate to the ring buffer statistics at Generic → Packet ring buffer. Select a time which can be re-analyzed.
Then press the button Analyze packet ring buffer below the graphs and the following dialogue will appear.
Here you can select the replay slot. Once the replay is started, you can proceed like the pcap upload and select the replay and terminate it on the dashboard.