Zen/Cityfibre latency and dropped packets

195 Posts

Hey folks,
can anyone advise if this BQM is unusual for a Zen Internet (on CityFibre) connection?
https://www.thinkbroadband.com/broadband/monitoring/quality/share/409e048e541fbe65b984d908c34e7f447b3e1984-29-09-2022.png

can anyone advise if this BQM is unusual for a Zen Internet (on CityFibre) connection?
https://www.thinkbroadband.com/broadband/monitoring/quality/share/409e048e541fbe65b984d908c34e7f447b3e1984-29-09-2022.png

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of the server giving you the information. Maybe they had a massive spike in users testing hence the packet drop?
I'm using the worst broadband provider (if you believe all the comments made on this forum about Virgin Media) and I get zero packet loss on a typical day.
I also have a PRTG monitoring server running 24/7 at home sending outgoing pings to monitor my connection, pinging some of my own websites, employers' servers as well a Google server to get a baseline. It isn't as aggressive as the Thinkbroadband BQM at 1 ping per second, I send 5 pings every 30 seconds at 5ms intervals, and the results are the same.
In this example below I'm pinging my employers' VDI gateway server - 1 packet was lost in the whole 48-hour period - that is 1 out of 28,800 packets sent out (0.003%). The timeout is set at 2 seconds.
The only time I do see incoming packet loss is when I saturate my connection doing a hefty download, in the example below one of my servers was downloading a huge amount of data at around 550Mb/s from midnight to 2 am. You can see the ping times affected by this as well.
That is quite normal, routers typically deprioritise ICMP traffic and it will be the first to be dropped if there is excess traffic.
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