Internet slow in second floor - RBS750

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Sameem wrote:
To be honest I’m not sure. A few weeks back I started having lag spikes on my PC. Done a Speedtest and was only showing about 100mbps. Not sure why the link speed also caps to 100mbps but once I change the speed negotiations to 1gbs it just gives a mere 150mbps

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"just under" 100mbps on an Ethernet connection.  This indicates that the Ethernet adapters have negotiated that the maximum speed they can reach is 100Mbps.

https://en.wikipedia.org/wiki/Autonegotiation 

This is a feature of the actual Ethernet hardware used in computers, laptops, routers, switches, modems, etc. etc.

The only "Link Speeds" that can be negotiated via Ethernet are 10/100/1000/2500/5000/and 10000 Mbps.

Because there is overhead even in Ethernet connections, the maximum Speed Test over a link that has negotiated 100M/Full Duplex will be slightly less than 100Mbps.  If a Speed Test measures even 1Mbps over 100, then the link is not running at 100M/Full Duplex. So, 92-96 can indicate a negotiation problem.  101-102 does not.

A Speed Test measured by a device connected to an Orbi satellite is affected by several factors:

• The ISP connection.  It is impossible to measure more speed than the ISP provides.  That is what is measured by running the Speed Test feature on the Orbi web interface or the Orbi 'app'.
• The Backhaul link between router and satellite.  As the router/satellite connection gets weaker, the speed across the link gets slower.  The original Orbi provided a way to observe the Link Speed between router and satellites.  That feature was not carried forward to the AX product line.  (I find it fascinating on my ancient RBR50/RBS50 system.)  Generally, a 'wired' Backhaul will produce higher speed to a satellite than a WiFi Backhaul.
• The connection between satellite and user device.  Once again, a 'wired' gigabit connection to a satellite will typically product higher speed than a WiFi connection.