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Author Topic: DIR-880L DHCP failure in Bridge mode?  (Read 11247 times)

GreenBay42

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #15 on: September 05, 2018, 03:18:06 PM »

I would continue running the 868 with beta firmware if you can. See if it is dropping after 24 hours or longer and I can report it. Thanks for taking the time to test.

These are beta firmware releases and haven't gone through the full testing yet but I will report the 868L also. Running these in bridge mode should not be affected by the KRACK/WPA2 exploit so downgrading the firmware should be ok. I was told only AP and WDS modes on access points, routers, and extenders are at  risk.
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #16 on: September 05, 2018, 04:28:15 PM »

Thanks for the help, GreenBay42!

The 868L bridge issue is much harder to troubleshoot, as it tends to stay working for many days (~2 weeks) before clients get cut off.  I almost missed it as the clients kept working day after day.  I do notice that when the failure hits, the internal global icon on the face of the 868L is lit yellow instead of green.

From what I can tell, 880L & 868L bridges exhibit the same failure symptoms with attached clients failing to have their DHCP assigned IP addresses renewed.  The mean time between failure is much longer with the 868L (running latest beta firmware) compared to the 880L.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #17 on: September 05, 2018, 04:37:22 PM »

What FW version do you have loaded on the 868L?

Thanks for the help, GreenBay42!

The 868L bridge issue is much harder to troubleshoot, as it tends to stay working for many days (~2 weeks) before clients get cut off.  I almost missed it as the clients kept working day after day.  I do notice that when the failure hits, the internal global icon on the face of the 868L is lit yellow instead of green.

From what I can tell, 880L & 868L bridges exhibit the same failure symptoms with attached clients failing to have their DHCP assigned IP addresses renewed.  The mean time between failure is much longer with the 868L (running latest beta firmware) compared to the 880L.
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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 #18 on: September 05, 2018, 04:48:41 PM »

I have two 868L (revA) running 1.20B01 BETA firmware.

I started with 1.12B04 firmware, reconfigured the 868L to bridge mode, then updated to 1.20B01 BETA firmware.  I recall encountering some difficulty setting bridge mode when the firmware is 1.20B01 BETA, so I rolled back to 1.12B04 first.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #19 on: September 05, 2018, 05:02:45 PM »

Wonder if this is a v1.20x FW issue for these routers that support bridge mode. I presume v1.12 should not reproduce this...That was the last time I had mine online for a bit. Maybe add this to DTrack as well, however I presume, it may not get fixed for the 868L since it's already EOL. I Hope someone will have some compassion and do fix it though.  :-\

Seems like this latest KRACK patches have broken some things...

I have two 868L (revA) running 1.20B01 BETA firmware.

I started with 1.12B04 firmware, reconfigured the 868L to bridge mode, then updated to 1.20B01 BETA firmware.  I recall encountering some difficulty setting bridge mode when the firmware is 1.20B01 BETA, so I rolled back to 1.12B04 first.
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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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GreenBay42

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #20 on: September 05, 2018, 05:34:19 PM »

Seems like this latest KRACK patches have broken some things...

 :-X

A lot of the KRACK BETA firmware files seemed to have broken something while fixing WPA2. Again, being beta, has not gone through the complete testing procedure. I will get the security team here on it to see the status of "official" firmware releases.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #21 on: September 05, 2018, 05:35:57 PM »

Thank you Sir.  ;)

Seems like this latest KRACK patches have broken some things...

 :-X

A lot of the KRACK BETA firmware files seemed to have broken something while fixing WPA2. Again, being beta, has not gone through the complete testing procedure. I will get the security team here on it to see the status of "official" firmware releases.
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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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GreenBay42

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #22 on: September 06, 2018, 07:25:47 AM »

Wow fastest reply ever. They sent me beta firmware to fix bridge issue. This has 2 firmware files, upgrade the middle file first then the 1.20.  Let us know if this fixes the issue.

ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-880L/REVA/DIR-880L_REVA_FIRMWARE_PATCH_v1.20B01_I4HA_BETA.zip
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #23 on: September 06, 2018, 07:26:46 AM »

 :o Wow that was fast.

Any word on the 868L?  ???
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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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GreenBay42

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #24 on: September 06, 2018, 07:29:15 AM »

Not yet. I had to create a separate dtrack this morning.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #25 on: September 06, 2018, 07:45:34 AM »

 ;)
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #26 on: September 06, 2018, 11:01:23 AM »

Wow, impressive response!  You guys rock!  :)

The client connected to my 880L bridge running 1.08WW firmware just got its IP address lease renewed properly for another 24 hours, so it appears 1.08WW firmware does not have the same issue as with 1.20B01_01_i3se_BETA firmware.

I'll go ahead and update this 880L to the new beta firmware, and report back in another 24 hours.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #27 on: September 06, 2018, 11:02:33 AM »

 ;D
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scan80269

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #28 on: September 07, 2018, 04:43:29 PM »

The client behind the 880L bridge running the new beta firmware suffered an unexpected malfunction and became unusable yesterday so had to be replaced, which reset the IP address renewal monitoring by several hours, though as of this afternoon, it looks like the replacement client got one successful IP address lease renewal behind the 880L bridge.

So far so good, and I can continue monitoring that client over the weekend via remote access.

I also rolled back the firmware in my 868L bridge to 1.12B04_WW, to see how it behaves compared to the 1.20B01_BETA firmware.  This is a longer term test, as it can take some 2 weeks before a client gets cut off from the internet by a 868L.
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FurryNutz

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Re: DIR-880L DHCP failure in Bridge mode?
« Reply #29 on: September 07, 2018, 10:31:16 PM »

 ;)
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