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Ring Buffer Configuration Guide: Difference between revisions
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This section describes the '''Ring Buffer''' configuration and options for the Allegro Network Multimeter. | This section describes the '''Ring Buffer''' configuration and options for the Allegro Network Multimeter. | ||
== What is the ''' | == What is the '''ring buffer?''' == | ||
[[File:Historic capture dialog.png|thumb|300px]] | [[File:Historic capture dialog.png|thumb|300px]] | ||
The ''' | The '''ring buffer''' is a packet buffer. It stores raw Ethernet packets on one or many '''storage devices'''. A '''storage device''' is an internal or external HDD or SSD. If the buffer is full, it will overwrite the oldest packets in a circular manner. The '''ring buffer''' is an optional feature for the Allegro Network Multimeter. It does not store any of the statistics of the In-Memory-Database. | ||
Allegro recommend to take a look at the [https://allegro-packets.com/en/resources-service/whitepaper/whitepaper-paket-ring-buffer| | Allegro recommend to take a look at the [https://allegro-packets.com/en/resources-service/whitepaper/whitepaper-paket-ring-buffer| ring buffer White Paper] from the Allegro Packets website. | ||
The '''Webshark''' and the '''pcap''' extraction works with historic dates as in the screenshot here on the right. This dialogue is shown by using the '''pcap''' button in the Allegro User Interface. The Allegro Network Multimeter will search for all packets in the ''' | The '''Webshark''' and the '''pcap''' extraction works with historic dates as in the screenshot here on the right. This dialogue is shown by using the '''pcap''' button in the Allegro User Interface. The Allegro Network Multimeter will search for all packets in the '''ring buffer''' if they match the criteria and extracts the packets. | ||
If there is no ''' | If there is no '''ring buffer''' configured, the Allegro allows a '''pcap''' extraction of live traffic only. | ||
== Different '''Ring Buffer''' Modes == | == Different '''Ring Buffer''' Modes == | ||