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Author Topic: DCS-932L - Lost Connectivity After FW v1.04b05 Upgrade  (Read 14868 times)

natrajrs

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DCS-932L - Lost Connectivity After FW v1.04b05 Upgrade
« on: October 04, 2012, 09:48:46 AM »

i have upgraded my dcs-932l firmvare .after that my live video displays blank and connection is getting lost frequently.somebody pl. help
« Last Edit: October 15, 2012, 04:55:54 AM by JavaLawyer »
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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #1 on: October 11, 2012, 05:02:06 AM »

i have upgraded my dcs-932l firmvare .after that my live video displays blank and connection is getting lost frequently.somebody pl. help

Has anyone else experienced this issue after the firmware upgrade?
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robert-e

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #2 on: October 11, 2012, 11:46:30 AM »

I too have noticed frequent "lost connection" issues since the update.  It only loses the connection for a few seconds, and then reconnects.  As further information, I do not notice any problems with other streaming applications.  When it first occured, I decided to watch for the problem for a few weeks, and if it continued, I would reload to older firmware.  I imagine if I wanted to use motion detection, these disconnects would pose a serious problem
Regards,
Bob
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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #3 on: October 11, 2012, 12:03:04 PM »

I too have noticed frequent "lost connection" issues since the update.  It only loses the connection for a few seconds, and then reconnects.  As further information, I do not notice any problems with other streaming applications.  When it first occured, I decided to watch for the problem for a few weeks, and if it continued, I would reload to older firmware.  I imagine if I wanted to use motion detection, these disconnects would pose a serious problem
Regards,
Bob

Thanks for the info.  How frequently are the connection losses? I haven't experienced any random disconnects (yet), but then again, I'm not routinely monitoring my DCS-932L.
« Last Edit: October 11, 2012, 12:16:10 PM by JavaLawyer »
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robert-e

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #4 on: October 12, 2012, 11:47:22 AM »

I do not monitor the 932 full time, but rather check it once a day.  It has lost connection each time I check, since the last update.  I checked it a few minutes ago, and during the course of about a half minute, it lost connection twice.  It always reconnects, but this makes me uneasy.  In a couple of weeks I will leave for an extended time, and I rely on the 932 to check that the furnace/electrical power is still functioning.  I will be about 2000 miles from here, and not in any position to do much trouble shooting. 

On a more general note, I have an older dlink router which has a bug in the "save wireless" routine, that they knew about and did not fix over a couple of updates.  It still has that same bug today.  Thus I do not have a lot of confidence in the ability of their developers and/or their product support.  Just my own experience talking here.
Others may feel differently.

Never the less; it is what it is.

Regards,
Bob
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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #5 on: October 12, 2012, 02:02:45 PM »

On a more general note, I have an older dlink router which has a bug in the "save wireless" routine, that they knew about and did not fix over a couple of updates.  It still has that same bug today.

What model router?
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robert-e

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #6 on: October 12, 2012, 02:18:32 PM »

DI 524, which is over 15 years old.  I have a few Linksys routers that work much better, but I keep those for when I am travelling (I use them in repeater mode).  Other than the "save wireless" bug the 524 works for my home use.  By the way, the bug does not show up if using a very old MS Internet Explorer.  A modern browser (I use Firefox) will produce the bug.  If you are curious, and have access to a 524, you can try this:  enable a wireless security (eg WEP), set a password in the wireless security tab.  Click Apply, then either log out or just refress the page.  The changes will not be saved.  This bug has been around ever since I purchased the router, and despite numerous attempts to get it fixed (including myself), it prevailed throughout 2 software updates.  I have not tried it myself lately, but I have read that Internet Explorer 9 does not work.  

Not much of a problem here at home, since we do not use wireless.  Whenever we need secure wireless at home, we use a Linksys router.  It is only needed for short times.

Hope this helps...if you need a link to the actual java coding bug, I imagine I could again find it.  It involves a call to a non-existant subroutine.

Regards,
Bob

EDIT:  Here is a link detail the bug:
http://webcache.googleusercontent.com/search?q=cache:DeYNy8Hd398J:doquent.wordpress.com/tag/di-524/+524+bug+apply+wireless+dlink&cd=27&hl=en&ct=clnk&lr=lang_en
« Last Edit: October 12, 2012, 02:23:33 PM by robert-e »
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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #7 on: October 13, 2012, 08:36:51 AM »

DI 524, which is over 15 years old.  I have a few Linksys routers that work much better, but I keep those for when I am travelling (I use them in repeater mode).  Other than the "save wireless" bug the 524 works for my home use.  By the way, the bug does not show up if using a very old MS Internet Explorer.  A modern browser (I use Firefox) will produce the bug.  If you are curious, and have access to a 524, you can try this:  enable a wireless security (eg WEP), set a password in the wireless security tab.  Click Apply, then either log out or just refress the page.  The changes will not be saved.  This bug has been around ever since I purchased the router, and despite numerous attempts to get it fixed (including myself), it prevailed throughout 2 software updates.  I have not tried it myself lately, but I have read that Internet Explorer 9 does not work.  

Not much of a problem here at home, since we do not use wireless.  Whenever we need secure wireless at home, we use a Linksys router.  It is only needed for short times.

Hope this helps...if you need a link to the actual java coding bug, I imagine I could again find it.  It involves a call to a non-existant subroutine.

Regards,
Bob

EDIT:  Here is a link detail the bug:
http://webcache.googleusercontent.com/search?q=cache:DeYNy8Hd398J:doquent.wordpress.com/tag/di-524/+524+bug+apply+wireless+dlink&cd=27&hl=en&ct=clnk&lr=lang_en

Let's see if I can get one of our resident router experts on this thread. . . ;)
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FurryNutz

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #8 on: October 13, 2012, 09:01:24 AM »

Preferred wireless security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto. However being that old, I'm not sure if the 524 has any forum of WPA let alone AES. That model was phased out of production in 2008 and supported ended a year later in 2009. Any development or fixes was stopped long ago.

Setup DHCP reserved IP addresses for all devices ON the router.
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall.
Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules.

I would recommend trying a new model router, DIR series and see if the problem of a disconnection. Go to a store that has a refund policy and get one to test out for 30 days. Disconnect everything else accept just for one PC, router and the 932L. Will probably work better for you. Use IE 8 or 9 to test. Check compatibility mode as well for IE.

Is this disconnection seen using a different PC?

I would also recommend for any wired PC, updating LAN cabling. Ensure LAN cables are in good working condition. If you get into a new  DIR series router, CAT 6 is recommended.

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robert-e

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #9 on: October 13, 2012, 10:18:07 AM »

I am sure it is not the router...ie.  99.9 % of the time the wireless is off, and I use only rj45 connection.  No disconnects occur on any other website (streaming from youtube, ted, playacoffee).  The only time diconnects occur is when connected via dlink to the 932l, and this only started to happen after the software update. 

You might want to read the last few posts more carefully:  The reference to the wireless security bug in the dlink router has no bearing on the disconnect problem, but was mentioned to illustrate my (personal) distrust of dlink support history.

Now, back on track:  I wonder if any others are experiencing these disconnects?

Regards,
Bob
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FurryNutz

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #10 on: October 13, 2012, 12:32:36 PM »

The only reason why I made reference was the that fact that you had injected information about the bug which seems not relvant in the first place with your issue of disconnections.

I would go back to the previous FW version on the DCS and see if the problem follows. If so, then you'll know.

I would try a different PC, and different browsers like Opera and see if the problem follows. Please try some of the suggestions as for setting up reserved IP addresses ON the router for ALL devices and see this this can help.

Maybe someone can review your router settings with you using Link> teamviewer if your interested. Its safe and secure.

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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #11 on: October 13, 2012, 12:49:52 PM »

For what it's worth, I experienced intermittent DCS-932L connectivity issues using the DIR-615, which went away after upgrading to the DIR-857.
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FurryNutz

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #12 on: October 13, 2012, 12:55:18 PM »

Using this same FW, your DCS is working fine?
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JavaLawyer

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #13 on: October 13, 2012, 01:50:53 PM »

Using this same FW, your DCS is working fine?

My point exactly.  However, there are two DCS-932L owners reporting intermittent connectivity issues after the FW update.  Router or FW?  :-\
« Last Edit: October 13, 2012, 04:02:00 PM by JavaLawyer »
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FurryNutz

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Re: DCS-932L - Firmware v1.04b05 Comments & Observations
« Reply #14 on: October 13, 2012, 01:53:48 PM »

Why we need to see if they can test other routers if possible, check IP reservations, check LAN cabling, test different PCs and browsers to be sure. Could be either one at this point. If your not experiencing this with your devices, I might presume this could be a router issue at this point with other user. Need to narrow it down if we can. FW can't be ruled out either.  :-\

Need to collect other users router information as well to see what they have.
« Last Edit: October 13, 2012, 01:58:53 PM by FurryNutz »
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