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Author Topic: Covr-1203 WiFi hangs intermittently  (Read 3340 times)

m8377

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Covr-1203 WiFi hangs intermittently
« on: March 10, 2019, 06:56:32 PM »

I have setup my system to use Ethernet backhaul with both B nodes plugged into an unmanaged switch. Sometimes when I am using a device (browsing internet, streaming video) it will become slow for up to 20s on that single device. I managed to get a speedtest running during this and my speed goes from 80mbit -->1mbit during the slowdown.

This can happen when I am in the same room as either the A or a B node where the device has no reason to switch between nodes.
Running Hardware A, FW 1.05. I have started logging to a syslog server and can upload the log on request. Same with screenshots/setting.bin.

Any ideas on what would cause this?

Edit:
After 5min of syslog I have almost 2k lines that are almost all spamming these messages https://imgur.com/a/rhbshFN
« Last Edit: March 10, 2019, 07:09:35 PM by m8377 »
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #1 on: March 10, 2019, 09:32:10 PM »

Link>Welcome!

  • What region are you located?
  • Has a Factory Reset been performed?
  • Was a Factory Reset performed before and after any firmware updates then set up from scratch?
  Link> >FW Update Process


Internet Service Provider and Modem Configurations
  • What ISP Service do you have? Cable or DSL?
  • What ISP Modem Mfr. and model # do you have?

What is the distance between the router point and the remote points? Feet?

  • Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
  • Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many?
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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m8377

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Re: Covr-1203 WiFi hangs intermittently
« Reply #2 on: March 11, 2019, 09:12:25 AM »

Link>Welcome!

  • What region are you located?
Canada - We share most hardware/software config with the US. Hoping this may be an issue with US version as well?

Yes
  • Was a Factory Reset performed before and after any firmware updates then set up from scratch?
  Link> >FW Update Process Yes


Internet Service Provider and Modem Configurations
  • What ISP Service do you have? Cable or DSL?
Shaw Cable
  • What ISP Modem Mfr. and model # do you have?
Hitron CGNM-2250  set to bridged mode

What is the distance between the router point and the remote points? Feet? Both B nodes are ~20ft from the main node, about 2-3 rooms away.

  • Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
There is a 2.4ghz home phone. 0 nearby WiFi networks on 2.4 or 5G.
  • Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many?
0 Nearby networks

After resetting I though I would try setting up the B nodes as wireless. Now I see the B nodes connect, get the solid white light. Then after 2-5 minutes the light will flash orange, white then go solid. If I unplug the B node and measure the wifi signal it looks stable.
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #3 on: March 11, 2019, 09:30:29 AM »

Ok, 20 feet maybe a bit too close. I would try 30 feet if wireless with the B remotes.

So when Ethernet connected to the B Points, any switches in between the A router and B Points? If so, Mfr and model# of this switch?

I would test the current wireless configuration with B points wirelessly connected to see if anything continues to hang. Keep us posted.
If nothing hangs, I would then connect just 1 B point via ethernet and test again.
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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tedmac

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Re: Covr-1203 WiFi hangs intermittently
« Reply #4 on: March 31, 2019, 09:44:30 PM »

I have setup my system to use Ethernet backhaul with both B nodes plugged into an unmanaged switch. Sometimes when I am using a device (browsing internet, streaming video) it will become slow for up to 20s on that single device. I managed to get a speedtest running during this and my speed goes from 80mbit -->1mbit during the slowdown.

This can happen when I am in the same room as either the A or a B node where the device has no reason to switch between nodes.
Running Hardware A, FW 1.05. I have started logging to a syslog server and can upload the log on request. Same with screenshots/setting.bin.

Any ideas on what would cause this?

Edit:
After 5min of syslog I have almost 2k lines that are almost all spamming these messages https://imgur.com/a/rhbshFN

I have encountered similar problems with my COVR 1203 system.  In wireless mode it works fine and has been very stable.  But as soon as I plug a cable into one of the ports so that it goes into wired backhaul mode, it can become unstable.  Sometimes an individual node appears to vanish from the network.  Other times connected devices become unresponsive.

After playing around with it tonight, I am seeing a tripling of performance with the nodes using wired backhaul as compared to their wireless throughput, and yet the nodes are constantly flashing orange, and the management interface reports a "Weak" quality connection.  And yet I'm getting 300mbps from them, so there's nothing wrong with the connection.

All the nodes and the A (main) point are connected to the same unmanaged switch.

Any ideas as to what may cause the occasional instability, or why the nodes flash orange?  Maybe the backhaul software is buggy?  It was just added in the latest revision (1.05) from the looks of it.
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #5 on: April 01, 2019, 06:37:10 AM »

Link>Welcome!

  • Link>What Firmware version is currently loaded? Found on the routers web page under status.
  • What region are you located?

Internet Service Provider and Modem Configurations
  • What ISP Service do you have? Cable or DSL?
  • What ISP Modem Mfr. and model # do you have?

Are the remote Points connected to any kind of LAN switch? if so, what is the Mfr and model# of this switch?
Using CAT6 LAN cabling?
When connecting the remote point to the A point via lan cable, how long are you waiting before checking the top LED behavior? Ive seen it go WHITE in about 1-2 minutes.
Try connecting the remote Point while in the same room as the A point router using a short cable?

What is the size of your home? Sq Ft?
What is the distance between the router and remote points?

I have encountered similar problems with my COVR 1203 system.  In wireless mode it works fine and has been very stable.  But as soon as I plug a cable into one of the ports so that it goes into wired backhaul mode, it can become unstable.  Sometimes an individual node appears to vanish from the network.  Other times connected devices become unresponsive.

After playing around with it tonight, I am seeing a tripling of performance with the nodes using wired backhaul as compared to their wireless throughput, and yet the nodes are constantly flashing orange, and the management interface reports a "Weak" quality connection.  And yet I'm getting 300mbps from them, so there's nothing wrong with the connection.

All the nodes and the A (main) point are connected to the same unmanaged switch.

Any ideas as to what may cause the occasional instability, or why the nodes flash orange?  Maybe the backhaul software is buggy?  It was just added in the latest revision (1.05) from the looks of it.
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #6 on: April 01, 2019, 06:37:44 AM »

Any status on this?

I have setup my system to use Ethernet backhaul with both B nodes plugged into an unmanaged switch. Sometimes when I am using a device (browsing internet, streaming video) it will become slow for up to 20s on that single device. I managed to get a speedtest running during this and my speed goes from 80mbit -->1mbit during the slowdown.

This can happen when I am in the same room as either the A or a B node where the device has no reason to switch between nodes.
Running Hardware A, FW 1.05. I have started logging to a syslog server and can upload the log on request. Same with screenshots/setting.bin.

Any ideas on what would cause this?

Edit:
After 5min of syslog I have almost 2k lines that are almost all spamming these messages https://imgur.com/a/rhbshFN
Logged
Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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tedmac

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Re: Covr-1203 WiFi hangs intermittently
« Reply #7 on: April 03, 2019, 07:38:41 PM »

Ok, I have resolved the issue, after consulting twice with D-Link support (who were ultimately able to successfully identify the problem).

I had to change the switch that the system was operating through.  The original switch I was using was a D-Link GO-SW-8G 8-port unmanaged gigabit switch.  When advised of that, D-Link Support responded with the following:

"Unfortunately, we have reported cases that Covr backhaul will not work with GO-SW-8G or any older D-Link switches that uses [sic] IEEE 1905.1 control packets with 01-80-C2-00-00-13.  DGS-105 and DGS-108 and [sic] work fine with the Ethernet backhaul."

After receiving that news, I changed the switch to a Netgear GS308v2 (which I happened to have on-hand), and the problem was immediately resolved.  The nodes switched to solid white LED indications, and the web interface now reports an "excellent" connection.

I'm not sure how to determine if a switch uses the protocol/control packet scheme they describe, but it must be listed in the specs somewhere.  My Netgear just happened to work.
« Last Edit: April 03, 2019, 07:47:07 PM by tedmac »
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tedmac

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Re: Covr-1203 WiFi hangs intermittently
« Reply #8 on: April 03, 2019, 07:44:00 PM »

I have setup my system to use Ethernet backhaul with both B nodes plugged into an unmanaged switch. Sometimes when I am using a device (browsing internet, streaming video) it will become slow for up to 20s on that single device. I managed to get a speedtest running during this and my speed goes from 80mbit -->1mbit during the slowdown.


I was seeing similar symptoms during my first configuration attempt, where the two COVR points were plugged into one switch, and the Point A (Main) node was plugged into a different switch.  When I plugged all the points into the same switch, my slowdown issues disappeared and I was getting excellent performance, but I was left with flashing orange LED behaviour off the two satellite COVR points.

It was only after replacing that switch with a different model (as described in my other post) that my problems were fully rectified.

So it looks like these things may all need to be plugged into the same switch, and a specific type/class of switch in order for the Ethernet backhaul to function correctly?
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m8377

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Re: Covr-1203 WiFi hangs intermittently
« Reply #9 on: April 03, 2019, 10:46:00 PM »

Update: I've been using WiFi backhaul as I need this network to be stable. When I was trying to use ethernet backhaul I was plugging Dlink A node port 1 to the modem, port 2 to TP-Link TL-SG108 switch. This is . DLink Node B_1 is plugged into a second TP-Link TL-SG108, which is plugged into the first switch. I will try plugging both to the same switch over the weekend. I think this model has the same specification as the DGS-105?
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #10 on: April 04, 2019, 06:27:24 AM »

Here are the specs for your TP-Link:
https://www.tp-link.com/us/home-networking/8-port-switch/tl-sg108/
This is not the same as D-Links DGS-105/108.

I see it has "Green Ethernet technology saves power consumption". This feature may also effect how the COVR points connect. I would recommend getting into a D-Link DGS-105/108 switch as they are proven to work with COVR systems.

Update: I've been using WiFi backhaul as I need this network to be stable. When I was trying to use ethernet backhaul I was plugging Dlink A node port 1 to the modem, port 2 to TP-Link TL-SG108 switch. This is . DLink Node B_1 is plugged into a second TP-Link TL-SG108, which is plugged into the first switch. I will try plugging both to the same switch over the weekend. I think this model has the same specification as the DGS-105?
« Last Edit: April 04, 2019, 06:29:06 AM by FurryNutz »
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m8377

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Re: Covr-1203 WiFi hangs intermittently
« Reply #11 on: April 04, 2019, 11:30:45 AM »

You're right about the different specs. The DLink switch uses 802.3ab, 802.3u, 802.3, 802.3x and 802.3az. The TP-Link is using 802.3, 802.3u, 802.3ab, 802.3x, 802.1p. For the previous posters that had the switches setup, did you have 4pair or 2pair ethernet cables?

I'm going to try to get a D-Link switch next week for testing.
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #12 on: April 04, 2019, 12:03:22 PM »

CAT6 and CAT6a in my home 4 pair cabling.
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Tikkaspecial

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Re: Covr-1203 WiFi hangs intermittently
« Reply #13 on: April 04, 2019, 07:31:43 PM »

This is a disappointing read. I have the WIFI dropping symptoms described here but I am using WIFI backhaul. I was going to try wired backhaul thinking it may solves the issue before taking them back to the store for a refund.
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FurryNutz

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Re: Covr-1203 WiFi hangs intermittently
« Reply #14 on: April 04, 2019, 08:08:48 PM »

What is the distance between the A Point router and the B Points? Feet?
What FW version is currently loaded on the System?


This is a disappointing read. I have the WIFI dropping symptoms described here but I am using WIFI backhaul. I was going to try wired backhaul thinking it may solves the issue before taking them back to the store for a refund.
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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