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Author Topic: DIR-880L DHCP failure in Bridge mode?  (Read 9618 times)

scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #60 on: September 28, 2018, 10:03:33 AM »

As of this morning, both clients behind the 880L bridge running the latest 1.20 beta firmware have been cut off from the internet.  The client on DHCP lost its IP address lease.  The other client on static IP running syslog server also cannot access the internet.  The 5G radio LED is slow blinking.

The syslog server captured only a few log messages.  I have taken a screen image but don't know how to attach it to this message.

It seems like with 1.20 beta firmware, the 5GHz link between the 880L bridge and the Netgear R8000 router becomes broken after a while.  With 1.08WWB04 firmware, the clients can remain connected to the internet for many days.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #61 on: September 28, 2018, 10:14:19 AM »

Can you post your captured log file to something like a file share cloud service like dropbox or googledocs?
Can you connect the 880L to a 2.4Ghz wifi source to see if the same thing happens?
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #62 on: September 28, 2018, 10:38:22 AM »

Screen shot of log messages posted to Dropbox:

https://www.dropbox.com/s/2imxxk5gthr44sb/DIR-880L_Bridge_Syslog_2018-0928.png?dl=0

I just reconfigured the 880L bridge to link to the same Netgear router via 2.4GHz instead of 5GHz.  Both clients have regained internet access.  Will monitor whether the internet connections can be sustained.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #63 on: September 28, 2018, 10:40:24 AM »

Does this syslog program export the capture to file?
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #64 on: September 28, 2018, 10:59:12 AM »

The free Kiwi syslog server appears to have no export direct to file option, though it supports copying of selected messages to clipboard.  I've saved a text file of all the messages logged so far:

https://www.dropbox.com/s/xlxfm121wyas0m7/DIR-880L_Bridge_Syslog_2018-0928.txt?dl=0

A few more messages have shown up since reconfiguration to 2.4GHz band.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #65 on: September 28, 2018, 11:03:36 AM »

Is this the entire capture since you started this program?
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #66 on: September 28, 2018, 01:03:11 PM »

Oops, I have the wrong IP address entered into Kiwi syslog.  DIR-880L bridge IP address is 192.168.1.6 whereas the DHCP client IP address is 192.168.1.16.

Corrected the IP address for syslog capture and waiting for more messages to get logged.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #67 on: September 28, 2018, 01:07:16 PM »

You'll need to switch back to 5Ghz and start a new capture...
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #68 on: September 28, 2018, 02:01:50 PM »

OK, just switched the 880L bridge back to 5GHz and started capturing...
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #69 on: September 28, 2018, 02:47:19 PM »

Ok. I checked mine, still have Internet access and it's connected to 2.4Ghz since yesterday.  ;) Will check again this weekend.
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #70 on: September 29, 2018, 05:42:43 PM »

Well, both clients lost their internet connections again in less than 24 hours.   :(

I just reconfigured the 880L bridge to 2.4GHz band again to compare with 5GHz band.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #71 on: September 29, 2018, 06:32:37 PM »

Mine still up and running on 2.4Ghz. Hmmm. Wondering if there is a problem with the 5ghz radio...
Were you able to capture the syslog while on 5Ghz?
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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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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #72 on: October 01, 2018, 08:04:39 AM »

As of this morning, both clients behind the DIR-880L bridge running 2.4GHz link are still remote accessible.

It is really beginning to look like the issue is specific to the 5GHz band.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #73 on: October 01, 2018, 08:45:15 AM »

I think so as well...Mine worked all weekend with mine connected on 2.4Ghz.

Are you able to still capture syslogs and the event on 5Ghz?
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #74 on: October 01, 2018, 12:59:47 PM »

Here's a link to the syslog capture.

https://www.dropbox.com/s/21ahud5qi9tllo8/DIR-880L_Bridge_Syslog_2018-1001.txt?dl=0

It covers the failed state at 5GHz on 9/29 followed by a reconfiguration to 2.4GHz.  The two clients have had internet connections continuously since then.
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