Generic troubleshooting processes: Difference between revisions

Jump to navigation Jump to search
Line 77: Line 77:
    
    
Because you already zoomed into to a specific time frame on the graph, this page will now only show you the client / DHCP-server relations, that happened during the time frame that you selected in the graph. Also on this page, you’ll find a download button for simple (retroactive) extraction of a Pcap, that is pre-filtered to only contain DHCP and BOOTP packets.         
Because you already zoomed into to a specific time frame on the graph, this page will now only show you the client / DHCP-server relations, that happened during the time frame that you selected in the graph. Also on this page, you’ll find a download button for simple (retroactive) extraction of a Pcap, that is pre-filtered to only contain DHCP and BOOTP packets.         
        


=== <u>UDP Jitter & packet loss</u> ===
=== <u>UDP Jitter & packet loss</u> ===
Line 86: Line 88:


From this graphs, it is very easy to quickly identify quality issues, such as instances where jitter is above 20ms in networks where VoIP is being used.
From this graphs, it is very easy to quickly identify quality issues, such as instances where jitter is above 20ms in networks where VoIP is being used.


=== <u>TCP retransmissions/packet loss</u> ===
=== <u>TCP retransmissions/packet loss</u> ===
Line 97: Line 101:


For wired infrastructures, a retransmission ratio of up to 2% is generally accepted to still be okay. In wireless infrastructures however, retransmissions of up to 10% are very common and considered to be a well-functioning wireless network.
For wired infrastructures, a retransmission ratio of up to 2% is generally accepted to still be okay. In wireless infrastructures however, retransmissions of up to 10% are very common and considered to be a well-functioning wireless network.


=== <u>TCP Zero window</u> ===
=== <u>TCP Zero window</u> ===
Line 113: Line 119:


Storage that is too slow or problematic, and therefore is unable to keep up.
Storage that is too slow or problematic, and therefore is unable to keep up.
325

edits

Navigation menu