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sharpshooter84
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Loads of lag gaming on ps4

Hi,

I'm having a lot of lag recently and wondered if someone can have a look over these numbers to see if they indicate an issue. Cheers.

Lock Status Channel ID Frequency Modulation Rx Power SNR Pre RS Errors Post RS Errors

Locked5235000000 HzQAM256-1.7 dBmV39.5 dB114890560
Locked1203000000 HzQAM256-1.3 dBmV40.3 dB9429019645
Locked2211000000 HzQAM256-1.4 dBmV39.0 dB12062540850
Locked3219000000 HzQAM256-2.0 dBmV39.6 dB10256823866
Locked4227000000 HzQAM256-2.7 dBmV39.4 dB1370522414
Locked6243000000 HzQAM256-2.1 dBmV39.8 dB66953398
Locked7251000000 HzQAM256-2.2 dBmV39.9 dB68160797
Locked8259000000 HzQAM256-2.6 dBmV39.9 dB68546236

 

Upstream Channels Lock Status Channel ID Frequency Modulation Tx Power Mode Channel Bandwidth Symbol Rate

Locked531000000 HzATDMA46.0 dBmV64QAM640000030720 Kbits/sec
Locked437600000 HzATDMA47.8 dBmV64QAM640000030720 Kbits/sec
Unlocked00 HzUnknown0.0 dBmVUnknownUnknown0 Kbits/sec
Unlocked00 HzUnknown0.0 dBmVUnknownUnknown0 Kbits/sec
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Superuser
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Message 2 of 18
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Re: Loads of lag gaming on ps4

The power levels you posted look OK, all within the recommended range.  A lot of post RS errors on some channels but they may be historical, has the hub been restarted recently?  If not it might be worth restarting it and seeing if the post RS errors start increasing rapidly.

Are you using a wired Ethernet connection direct to the VM hub or a wireless connection?

Are you seeing the lag all day or only at peak times (typically 4pm-11pm weekdays and weekends)?

Have you noticed any slowdown in your download or upload speeds since you started experiencing the lagging?

______________________
Scott

Disclaimer - I don't work for Virgin Media. I'm just another VM user trying to help out so my answers may be wrong Smiley Happy If my answer solves your problem please mark it as helpful as it may help others
My setup: Vivid 200 Optical fibre with Superhub 2 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.  

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sharpshooter84
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Message 3 of 18
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Re: Loads of lag gaming on ps4

Hi.

I didn't reply because since posting I have received new kit.

Upgraded from a hub 1 to a hub 3. Running that in modem mode connected to my netgear router.

Lag appears to have gone but its too early to say for definite. I have a BQM set up monitoring and I have quite a lot of yellow spikes showing. I don't seem to be able to access any hub 3 data when it is in modem mode? But heres the BQM graph.

[url=http://www.thinkbroadband.com/ping/share/68ed97795fb69e5cad8c7d1ba6e1d141-08-09-2016.html][img]http:...]

Based on this graph should I expect to encounter any issues? Seems to be a lot of yellow even when connection not in use.

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sharpshooter84
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Message 4 of 18
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Re: Loads of lag gaming on ps4

My Broadband Ping - Hub 3 Router
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legacy1
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Re: Loads of lag gaming on ps4

PM your IP and if ICMP timestamps are allowed by your router I see how stable it is.

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sharpshooter84
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Re: Loads of lag gaming on ps4

Sent cheers.

 

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legacy1
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Re: Loads of lag gaming on ps4

Sadly your router does not allow ICMP timestamps.

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sharpshooter84
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Re: Loads of lag gaming on ps4

Could it be a setting? Sorry to sound ignorant but I don't know what ICMP timestamps are. Router is a netgear R7800 if it helps.

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legacy1
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Re: Loads of lag gaming on ps4

You likely have to ask netgear to allow it or add the code to do it when you enabled the ICMP.

most ICMP is type 8 the timestamps are type 13 the info it adds is a 0- 86399999 ms over 24hours (or at least thats how it should be) there are a number of things about using it to understand it to be reliable like how reliable the packets are processed by each end device and other stuff like clock drift.

You can do a ping -n 200 194.168.8.100 but it tells you nothing of what the delay was but timestamps if used correctly can but only if you start off with reliable start point and offset.

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sharpshooter84
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Re: Loads of lag gaming on ps4

Ping statistics for 194.168.8.100:
    Packets: Sent = 200, Received = 200, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 10ms, Maximum = 80ms, Average = 14ms

I don't know if this tells you anything.

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