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[GreenBay42]

I suggest downgrading the firmware back to 1.08 on the 880L since it was stable and worked for you. Most of the security fixes in later firmware versions are for when the 880L is in router or AP mode.

The DIR-895L will probably not perform any better to be honest.

[FurryNutz]

Has D-Link been able to reproduce the 5Ghz issue though? 2.4ghz is working for me. Of course I can't test 5Ghz currently. 

[scan80269]

Thanks.  I have downgraded the 880L firmware back to 1.08B04.

I also updated the Netgear R8000 router firmware to latest, and created IP address reservations for the 880L bridge and the two 868L bridges.  All three D-Link bridges are connected to the same 5GHz band of this Netgear router.

Hopefully the clients behind these bridges can stay connected to the internet.

Thanks for the comment on the DIR-895L.

I suggest downgrading the firmware back to 1.08 on the 880L since it was stable and worked for you. Most of the security fixes in later firmware versions are for when the 880L is in router or AP mode.

The DIR-895L will probably not perform any better to be honest.

[scan80269]

The past 24 hours has not been good.

My 880L bridge (1.08B04 WW) and one of two 868L bridges (1.12B04 WW) lost their 5GHz connections to the Netgear router.  That's 2 out of 3 bridges down.  The 880L still responded to dlinkrouter.local so I was able to invoke the reboot option.  The 868L bridge appears completely unresponsive (including pings) and had to be power-cycled.

I noticed the 880L has an Auto Reboot option that can be set to daily, so I may try that.  The 868L has a "Use Unicasting" (compatibility for some DHCP Servers) option but not sure whether it has any effect in bridge mode.

[FurryNutz]

Would need to try a different host router to see if the problem appears...
Possible that having 3 bridges connected maybe too much for the NG router.

[FurryNutz]

Well I guess 5 days later maybe a time frame for failure. at least for me. I came home today and found that I had no Internet access with my two PCs connected to the 880L bridged to the COVR router. I connected one PC back to the main LAN network and got Internet access. I was able to access the 880L web page while connected to it, I could not ping the main router though. After rebooting the 880L, I now have Internet access thru it. So it seems 2.4Ghz is also affected as well.
Current Firmware Version:
1.20, Tue 24 Apr 2018
Current Firmware Date:
2018-04-24 17:27:00

The 880L is bridge to the COVR router on 2.4Ghz.
My 890L is in its box. 

[GreenBay42]

Has D-Link been able to reproduce the 5Ghz issue though?

They did but with the BETA firmware probably on page 1 of this thread fixed it for them.

[GreenBay42]

If you statically assign the clients connected to the 880L do they drop Internet connectivity?

[FurryNutz]

Please ask them if they can reproduce on 2.4Ghz as well.
I presume setting static one the client may not work since the client has a IP address. It's just not getting internet access. I can ping the client and 880L, I can't ping the main router at .0.1 nor anything beyond that...

I'll load up the beta and see. However I can't fully test as the current host router doesn't work on 5Ghz with the 880L.  Ah Hemm.  I guess I'll drag out another router and set up for 5Ghz so I can test this out fully.  The family loves me when I reconfigure the network. 

[GreenBay42]

You are the only one having 5ghz issues on the covr.

[FurryNutz]

Apparently.  I do see my Apple devices connect to 5Ghz. However any wireless bridge or extender I have will not as they don't see the 5Ghz SSID from the COVR.

I'm planning on putting on my 890L here soon as everyone can give me a few minutes to swap out. Then i'll connect the 880L up and see what happens. I do have the beta 02 build loaded on it.

You are the only one having 5ghz issues on the covr.

[FurryNutz]

Ok, 890L online and 880L connected to 5Ghz.2 radio as indicated by the connection tile on the 890L. I have syslog running as well.

[scan80269]

With my 880L bridge, a 5GHz link to the router craps out much sooner than a 2.4GHz link.

Now that I have admin access to the Netgear R8000 router that the 880L & 868L bridges link to, I can see that the 880L & its connected clients no longer show up on the connected devices list.  Whenever the 880L still responded to dlinkrouter.local from a static IP client, I could reboot the 880L (without power cycling) and the 5GHz link would be re-established and the connected clients would regain internet access.  Power cycling the 880L also worked.

Based on this, it would appear it is NOT the Netgear R8000 router that is malfunctioning.  This router has up to 20 clients connected to it over 2.4GHz & 5GHz and there have been zero reports of internet access problems with such directly connected clients.  Also, judging by the way a 880L (or 868L) bridge drops off the router's connected device list, I'd say this issue is localized to the D-Link HW.  Also, it does not seem to matter whether a client is set to use DHCP or given a static IP.  I have one of each connected to the 880L and they both get cut off from the internet the same way.

[FurryNutz]

Thanks for posting this info. Ya, I believe something is going on with the 880L in bridge mode. I presume I'll see something crop up soon. I'll post what I find. 

[scan80269]

Thanks, FurryNutz!

As of this morning, the 880L bridge has choked up again.  The 5GHz LED is slow blinking.  It still responds to pings and the admin pages come up, but the 2 clients have no internet access.  The 880L bridge and the 2 clients no longer appear on the connected devices list of the Netgear router.

This really looks like a 5GHz link loss between the 880L bridge and the Netgear router.  Both boxes are still "running", but the 5GHz link between them is broken.  Even having assigned an IP address reservation for the 880L bridge apparently has not helped.

BTW, the two 868L bridges are still doing OK linked to the same Netgear router.