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Router & Cable Modem on Virgin Media broadband

Router data throughput
Cable modem 200 Mbps down, 12 Mbps up
Upstream to CM (dotted red line shows max allowed)
Downstream from CM
UKHost4u Web server connection
Upload time (0 means no connection)
Unzip time on server
Note the log vertical scale!
15-minute updates
RF signal levels  
DOCSIS 3.0 Cable Modem RF signal levels
RX+20dB plotted as nominal level is 0 dBmV

Upstream: 31..54 dBmV acceptable (2 upstream)
< 49 dBmV and stable acceptable (4 upstream)

Downstream: -5..+10 dBmV acceptable see here
-3..+8 dBmV optimal
(displayed as +17 to +28 dBmV)
DOCSIS 3.0 Cable Modem
Downstream SNR (dB)

Acceptable: >= 34.5 dB
Router internals  
TL-WR1043ND router running DD-WRT

Router memory usage
Used
Total
Router CPU usage

Other periods: day week month year

Configuration

VirginMedia 
Superhub 2
in Modem mode

Netgear
VMDG485
CG4000TD

Pegatron
ACM6234
Router




TP-Link
TL-WR1043ND
SamKnows
monitoring
box


White box
Unknown maker
16-port
Switch
<==> Windows PCs
Raspberry Pi
<==> <==> LeoNTP
time-server
200/12 Mbps
Internet
<==> <==> <==> <==> Ayecka #1
Management port
 
<==> 8-port
Switch
<==> Windows PCs
 Wi-Fi access point 
Ayecka #2
Management port

 

 
Copyright David Taylor  Edinburgh SatSignal home page Last modified: 2017 Feb 27 at 09:03:00