Question

Access point keeps needing reset

Asked by: DJMTEK

I have a small wireless network at a hotel containing a Buffalo whr-hp-g54 router and two more whr-hp-g54 set up as access points (w/out dhcp server) wired to a LAN port on the router.  Setup:
Buffalo1: 192.168.11.1 (router)
BuffaloAP2:  192.168.11.2
BuffaloAP3: 192.168.11.3

The IP pool :  192.168.11.10-254          Lease time is 24 hours.

Each AP is attached to a large directional antenna to serve a different hall of the hotel and each AP (and router) uses a different wireless channel.  (1-6-11).  They all broadcast the same SSID.  

The problem is that every few days I have to reset BuffaloAP3.  The settings are identical to AP2.  Is this an indication of a faulty router or is there something else I can do?

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Asked On
2009-10-17 at 19:07:27ID24821164
Tags

wireless

,

networking

Topics

Wireless Network Access Points

,

Miscellaneous Networking

,

Wireless Network Cards & Adapters

Participating Experts
1
Points
500
Comments
13

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Answers

 

by: dkwiebePosted on 2009-10-17 at 21:49:57ID: 25598724

It is quite possibly a faulty router.  However, I've also run into quite a few routers of that class that really don't like small power "blips".  Is it protected by a UPS?

 

by: DJMTEKPosted on 2009-10-17 at 22:11:09ID: 25598759

No its not.  I'll try putting one on it.  If it goes a week it will be a strong indication that's it.  

Will have to leave the question open for a while.  Hope that's ok.  In the meantime, welcome any other comments.

 

by: dkwiebePosted on 2009-10-17 at 22:34:34ID: 25598807

One more thing to try is upgrading the firmware to the latest version.  If it's there already then you could look to see if dd-wrt has a version for it.  I forgot to mention it earlier but we've run into similar problems where upgrading the firmware took care of the issue.

 

by: DJMTEKPosted on 2009-10-17 at 22:53:11ID: 25598834

I forgot to mention that the firmware has all been updated.  I have been meaning to try the dd-wrt firmware on it for a while, if for no other reason than to program a reset.  I think dd-wrt allows me to do that if I recall.  

I think I would have made it more of a priority to change to the dd-wrt firmware if it were the router, but as an access point, I don't know how much difference it will make.  Its job is just to send traffic to the router isn't it?

BTW, what are your thoughts on  beta (which is recommended on the site) or the last stable version?

 

by: DJMTEKPosted on 2009-11-05 at 08:00:49ID: 25750837

Well I have run the ap on a ups for over a week now but have still had to re-set it - once just a couple of days in.  Thought I would give it a second chance but just had to reset again yesterday.  Tried upgrading firmware to dd-wrt but upgrade failed each time.  Tried both beta and stable versions.  I'll try "Tomato"  and see if that helps, otherwise I guess if no other suggestions, will try replacing.

 

by: dkwiebePosted on 2009-11-05 at 08:09:29ID: 25750934

If it's still restarting I would suggest replacing it.

 

by: DJMTEKPosted on 2009-11-08 at 11:46:12ID: 25771592

I upgraded the firmware to Tomato  (http://www.polarcloud.com/tomato) and programed a daily reboot.  So far no problems but its only been 3 days.  I would like to keep this open 4 more days before deciding whether to award points.

 

by: dkwiebePosted on 2009-11-08 at 11:50:03ID: 25771606

Good idea.  I didn't think of trying that.  A daily reboot isn't a "fix" as such but it should work nicely as a work around.  I don't know if Tomato has it but I've started programming our routers with watchdog ping commands so they reboot whenever their connectivity goes down for more than "x" seconds.  Whether that would work depends on what part of the router is failing.

 

by: DJMTEKPosted on 2009-11-14 at 23:04:01ID: 25823894

Well its been a week and no problem.  Saturday night is usually the worst so I'll give it tonight and post tomorrow.  Thanks for being patient.   I really like your idea of pinging to test for connectivity.  I have looked at IP WatchDog Lite.  Is this what you are using?

 

by: DJMTEKPosted on 2009-11-16 at 12:22:12ID: 25833672

No problems to date so I should probably close this but after reading your (dkwiebe's) post again, I realize you must be refering to a script, not hardware.  My expertise is more in Windows and hardware.  Can you share your script before I close?

 

by: dkwiebePosted on 2009-11-16 at 21:02:09ID: 25837046

Yes, I was referring to a script or application that runs on the device.  The radios we usually use have them built in so I don't have anything really ready to share.

I'd use something like this http://tomclegg.net/smalldog except probably reboot the box instead of just sending a text message.

 

by: DJMTEKPosted on 2009-11-17 at 07:38:28ID: 25840693

The problem on this network seems to be limited to WIRELESS access through this one AP.  Network traffic is fine on the rest of the network when this access point locks up and I can access it via its IP address so I assumed it was still functional within the network from a wired standpoint, just the wireless not working.   I should have tried pinging from the router when it lost its wireless ability or hooked a computer directly to it and tested connectivity.  I suppose this script might help diagnose and certainly could be modified to use in addition to scheduled resets.  

Question: I assume the first 2 addresses in this string are addresses to be pinged on the network.  Is this correct and can you tell me what the third address is?
 "for ip in 10.0.0.1 10.0.0.3 172.16.88.132 "

thanks again for your patience and help

 

by: DJMTEKPosted on 2009-11-23 at 23:59:46ID: 31657969

Despite not getting a response to my last comment, dkwiebe has assisted me in coming up with a workaround and supplying me with some possible solutions for the future.  Thanks again for your patience.

20120131-EE-VQP-002

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