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Anvilator
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High latency almost 24/7

I am having real problems with latency and very poor connection speeds both wired and wireless.  Having read a few threads, please see my data below.  Any help would be very welcome.

Anvilator_0-1607549938328.png

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Anvilator_0-1607551409545.png

Think Broadband snapshot 

The previous 24 hours had consistent blue and yellow spikes almost across the entire graph.

Thanks for looking.

EDIT: I should add that this has been the case for around 2 weeks now.  I have checked the service status which says no faults in the area.  A restart of the router seems to clear it up for an hour or so, but I'm having to restart multiple times every day & evening.

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SCA1972
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Re: High latency almost 24/7

@Anvilator Your BQM image has been rejected as it contains your WAN IP address and this is against the forum rules, to protect your privacy.  If you use the share options on the BQM page you can add a link or embed an image of your graph without your IP address.

I'm not seeing anything unusual in the hub stats posted so far.  Maybe post the network log to see if it shows anything.  Best to copy and paste the log so that the forum software censors the MAC addresses.

EDIT - I see you have now edited your post to remove the IP from the BQM while I was writing my post.

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My setup: VM TV box, M350 Fibre broadband with Hub 3 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.

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Re: High latency almost 24/7

Thanks for your very quick response.  Please see below my network log.  I hope this helps.

09/12/2020 15:57:18criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/12/2020 21:35:25noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 21:55:39criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/12/2020 16:26:46noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
05/12/2020 21:55:53criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
05/12/2020 16:07:50ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 11:45:31ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 11:42:48noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 11:42:32Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:00:29ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:50Warning!ToD request sent - No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:00:33ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:53Warning!ToD request sent - No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:00:21ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:50Warning!ToD request sent - No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:00:19ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:53Warning!ToD request sent - No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 01:04:22ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 01:04:4noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:08:44ErrorToD request sent- No Response received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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SCA1972
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Re: High latency almost 24/7

When you say you have reset the hub is that a factory (pinhole) reset or just rebooting it?

The TOD requests in the log are unusual as they normally only show in the log after a factory (pinhole) reset of the hub and not in large numbers like that.  I believe VM are looking into why some hubs are in some cases spewing so many TOD messages, but as far as I know it should not impact the service.  Nothing else in the log looks wrong to me.

I'm no expert on BQMs but my personal BQM shows similar spikes when I'm doing reasonably heavy downloading.

The service status page only lists major area faults or outages, it won't list individual line issues.

Are you wired direct to the hub in router mode or are you using it in modem mode with your own router and/or powerline adapters?

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Re: High latency almost 24/7

Hi again Scott,

So I did a pinhole reset about a week ago, but since then just power off resets.

The hub is being used in router mode, and I have 2 x tp-link C1750 routers also set up as access points on seperate floors of the house.  Access is generally by wifi however when there are issues I have connected my laptop directly to the router to run speed tests and find it has generally dropped to around 20M Down and 2-3M Up.  There are a few of us in the house and the gamers amongst us are finding it impossible to use even though signal strength is very high.  I have just upgraded to 350M in the hope it may help, but it doesn't appear to be active yet.

Kind regards,

Scott T

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Re: High latency almost 24/7

Upgrading your speed is unlikely to help with latency.

I would suggest a test with the hub in modem mode and just one PC connected. This would help to rule out issues with the routing functionality of the hub or other devices on the network.

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Re: High latency almost 24/7

Are you sure there's no other routers on your LAN in addition to the VM hub?  Those weird episodes of really poor latency at odd times don't match (for example) network traffic on the VM side of things, but I have seen similar outcomes when people have had two routers fighting over device control. 

 

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Re: High latency almost 24/7

I already replied to this but my post seems to have vanished?

Let's try again..

@Andruser
I have double checked the other equipment on the LAN and can confirm both are set as assess points.  Generally speaking when there is an issue I unplug both access points and then plug my laptop directly into the HUB for speed testing.

@SCA1972
The only problem with this is that when I switch to Modem mode, it automatically resets the router?  This has the effect of resolving the issue for a while and I am unable to force the issue to occur again.  It seems to be quite random.

As I mentioned before I have just upgraded to 350M.  Everything seemed to have settled significantly until just before 10pm last night when on WIFI I was getting 2.21M Down, 0.26M Up, 520ms Latency,  with 90% Signal Strength.  I then plugged in directly and had approx 27M Down & 30M Up.

Any suggestions would be very welcome.  Please see the snapshot below which also seems to show some packet loss:

Think Broad Band Snapshot Link 

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Re: High latency almost 24/7

Anvilator_0-1607679938325.png

 

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