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Author Topic: DIR-880L DHCP failure in Bridge mode?  (Read 41539 times)

scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #105 on: October 11, 2018, 12:12:12 PM »

Some more info.  The DHCP client behind the 880L bridge lost its internet connection well before its IP address lease expiration time.  I think this is another indication of the 5GHz link being broken as opposed to an IP address renewal failure as originally thought.  Even the other client on static IP could not get to the internet.

I just logged into the 880L admin page, initiated a reboot, and both clients have their internet connections restored.  5G LED is back to solidly lit.

My 880L bridge has been rolled back to 1.08B04 WW firmware for a while, BTW.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #106 on: October 11, 2018, 12:19:56 PM »

What happens if you roll back to v1.07?

There any chance you can close the distance between the 880L and NG router?

Some more info.  The DHCP client behind the 880L bridge lost its internet connection well before its IP address lease expiration time.  I think this is another indication of the 5GHz link being broken as opposed to an IP address renewal failure as originally thought.  Even the other client on static IP could not get to the internet.

I just logged into the 880L admin page, initiated a reboot, and both clients have their internet connections restored.  5G LED is back to solidly lit.

My 880L bridge has been rolled back to 1.08B04 WW firmware for a while, BTW.
« Last Edit: October 11, 2018, 12:21:59 PM by FurryNutz »
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #107 on: October 11, 2018, 03:59:26 PM »

5Ghz is still going here today. Will keep checking it.
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #108 on: October 11, 2018, 04:16:49 PM »

Unfortunately the Netgear router cannot be moved as it is in the "other" lab and I have no access.

I just briefly tried 1.07 firmware with the 880L but the client downstream throughput went from the usual ~100Mbps to less than 1Mbps :(, so I quickly flashed the unit back to 1.08 firmware.

As an experiment, I have moved the 880L bridge to another corner of my lab.  It now sits over 10 feet away from a 868L bridge.  Previously the 880L and 868L sat next to each other on the same shelf.  This 880L now has just one client connected and will monitor how long its internet connection lasts.

What happens if you roll back to v1.07?

There any chance you can close the distance between the 880L and NG router?

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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #109 on: October 11, 2018, 04:30:56 PM »

Ok, wow, didn't know v1.07 was that bad.

I was referring to moving the 880L closer to the NG router. However let us know how it goes with the new position. Ya, devices should not be close to each other. 3-6 feet minimum on these devices.  ;)

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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #110 on: October 11, 2018, 04:43:16 PM »

Can you let me know what I'm looking at here?
10/11/2018 8:30:09 AM [404616] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:64] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 8:32:37 AM [404617] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:63] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 8:35:42 AM [404618] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:64] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 9:05:38 AM [404619] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:64] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 9:05:49 AM [404620] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [90:8D:78:4C:17:EC] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 12:48:37 PM [404621] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:64] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 12:59:04 PM [404622] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [90:8D:78:4C:17:EA] associated from BAND5G-1.1 (5 Ghz)
10/11/2018 5:01:00 PM [404623] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> SendResponses: No active interface 00055008 to send: 00055008 10    4 shareport.local. Addr 169.254.7.55
10/11/2018 5:26:14 PM [404624] From: (192.168.0.88) Fac:0 Sev:0 Msg >>> Got new client [78:D2:94:45:3F:63] associated from BAND5G-1.1 (5 Ghz)

This is log collected from 880L in bridge mode connected to DIR-890L in router mode. I don't see those MAC listed on my PC, Mac Mini or on the 880L/890L.  :o

UPDATE:
I believe this may have been due to a extender running with the DIR-890L which I forgot is not compatible with Smart Connect enabled either on the 890L or the Extender at the same time. I found that while I was doing some phone stuff this evening, the phone and my mac book disconnected from the router. Also my 3 cameras disconnected. Started having problems keeping these devices connected to the 890L. After fiddling with the system for too long, I remembered that this extender I have can't be used with Smart Connect enabled on a D-Link router. Or if SC is enabled on the router, the extender can't have it enabled there.  ::) So I removed the extender and put up a older DIR router in AP mode LAN to LAN for service at that end of the house till this 880L test is over. The 880L is connected to the 890L and will monitor it's operation over the weekend. Everything else is connected as well and seems stable now.  :)

You are the only one having 5ghz issues on the covr.
« Last Edit: October 11, 2018, 09:34:54 PM by FurryNutz »
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #111 on: October 12, 2018, 10:31:11 AM »

I picked up another 868L (FW=1.12) and set it up as a bridge at home last night, linking to my Netgear Orbi router in an adjacent room.  I connected one PC client to the 868L, confirmed internet access and left it idling in Windows overnight.  This morning, the client no longer has a valid IP address, and the Orbi router no longer shows the 868L nor the attached client in its devices list.

To get things going again, I changed the client to a static IP address, brought up the 868L admin page, initiated a reboot, changed the client back to using DHCP and its internet access was restored.

D-Link routers running as bridges linking to Netgear routers over 5GHz don't seem able to work consistently...  :(

The 880L and 2 x 868L bridges in my lab are still working since separating the 880L and 868L bridges yesterday, though it's been less than 24 hours.

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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #112 on: October 12, 2018, 11:10:44 AM »

I'm wondering the same thing here. NG and D-Link don't seem to work well. I'll find out this weekend if the 880L and a 890L do same thing or not.  :-\
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #113 on: October 13, 2018, 03:07:30 PM »

880L is still running today. Even after I did a 5pm evening reboot of the ISP modem and DIR-890L as I wanted to check speeds on the DIR router. I came up today and the 880L is still connected to the 5Ghz radio and I have Internet access thru it still.  ;)
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

GreenBay42

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #114 on: October 15, 2018, 09:09:04 AM »

I wonder if it is an idle thing. Can you set a continuous ping overnight on one of the clients and see if it drops.

To do a continuous ping, click Start and type CMD in the box.

At the prompt, ping the IP address of the NG router and add a -T at the end. For example,  ping 192.168.0.1 -t

The DTrack team responded:

After checked with R&D, as this log, "DHCP: Client receive ACK from 192.168.1.1, IP=192.168.1.28, Lease time=86400," it showed that DIR-880L had got DHCP IP from root AP. Do not know how about the test result for FW 1.20b02?

Another, below test topology working in my environment over one week, but we still can't duplicate this issue.

Internet --- DIR-890L )))bridge mode via 5G connection(((DIR-880L ---- PC
(Setup DIR-890L DHCP lease time to 30 minutes)

By the way, I just got the Netgear R8000 device now, please ask customer to provide the config file and FW version for us to verify.
I will try to test this wireless connection between R8000 with DIR-880.
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #115 on: October 15, 2018, 10:21:33 AM »

As of this morning, the 880L bridge and the two 868L bridges are still connected to the Netgear R8000 router over 5GHz.

I no longer believe the issue is related to DHCP failure, but rather a 5GHz link drop between the router and a D-Link bridge.  The DHCP failure at a client is simply the result of the 5GHz link remaining broken.  Even a client on static IP will lose internet connection once the 5GHz link drops.  That "DHCP: Client receive ACK from 192.168.1.1" message indicated a successful IP address renewal for a client, but once the 5GHz link gets broken, the client is unable to obtain an IP address renewal.  Also, I have seen a client with static IP getting cut off within an hour of coming online, so the failure really has nothing to do with DHCP.

In most cases, the 880L (and even the 868L) bridge is still responsive (i.e. not hung) to communicating with an attached client, but the 5GHz connection to the router is down.  On the status page of the 868L bridge at home, I saw the wireless LAN connection status displayed as Disconnected.  After either rebooting or connecting to a different router SSID then back, the 5GHz connection will work again, at least for a while.

Let me see if I can get some screen shots off the Netgear R8000 router.
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #116 on: October 15, 2018, 10:39:02 AM »

Attached are several screen shots taken from the Netgear R8000 router that my D-Link 880L & 868L bridges connect to.

https://www.dropbox.com/s/d3wz08nntdmqwc4/Netgear_R8000_Screenshots_2018-1015.zip?dl=0
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #117 on: October 15, 2018, 10:52:19 AM »

If you can, please save off a router config to file and email that to me. Before saving off the file, removing any router log in PW or set "password" then save off. You can change the admin log in back after the file is saved. I'll send this to D-Link.
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #118 on: October 15, 2018, 03:34:12 PM »

I won't be able to alter admin or WiFi passwords or any configuration change to that Netgear router until possibly end of the week.  There are clients under continuous testing going through that router that I cannot disrupt.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #119 on: October 15, 2018, 03:44:31 PM »

Ok, hopefully they can do something with the images you posted. The configuration file would be best. Let see if they can reproduce with out for for now.
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.
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