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LAN question
#13480 12/30/10 10:24 PM
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...JER Offline OP
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I have a network at my house, and one at my barn. The barn network is bridged to the network at the house and hooks through a repeater to my house router. The router at the barn has 5 IP video cameras hooked to it.

I use Firefox to view the feeds from the cameras. Sometimes when I link to them they come right up other times it takes almost a minute to hook up. I almost seems like the connection from house to barn shuts down and has to be re-initialized before connecting. I'm wondering if there is a way to automatically ping the barn router every so often to keep the connection active. I'm not sure how often it would have to be done, once every 5 minutes maybe?

Any insight/thoughts/advice would be appreciated.


...JER (-: >
Re: LAN question
...JER #13504 12/31/10 06:59 PM
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I assume the cameras aren't wireless?

wireless video cameras (not wifi, their own wireless) are toxic to wifi


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Re: LAN question
Virtual1 #13512 12/31/10 09:01 PM
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Originally Posted By: Virtual1
I assume the cameras aren't wireless?

They are hardwired to the router at the barn. I noticed even before the cameras were installed that the connection to up there was slow at times. once established it works well, but when you don't use it for a while then it again takes a while to establish a connection.

Originally Posted By: Virtual1
wireless video cameras (not wifi, their own wireless) are toxic to wifi

Why? because of the bandwidth?


...JER (-: >
Re: LAN question
...JER #13539 01/02/11 04:39 PM
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because they use the same area of spectrum

and the cameras spray the band like a firehose, usually knocking out every wifi channel in earshot.


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Re: LAN question
Virtual1 #13540 01/02/11 11:51 PM
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Quote:
They are hardwired to the router at the barn.


Looks like you missed this part......I believe he said they were not wireless.

I'm guessing there's another cause for his signal attenuation....possibly resolved with a pair of high-gain directional antennae for his WiFi link to the barn.


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Re: LAN question
MacManiac #13541 01/03/11 12:34 PM
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Originally Posted By: MacManiac
...

I'm guessing there's another cause for his signal attenuation....possibly resolved with a pair of high-gain directional antennae for his WiFi link to the barn.


I have an engenius client bridge that is supposed to have a range of up to 25-30km. I'm only looking at 300 feet or so.

Is there software available that I can set up to ping the barn router on a scheduled time interval? I'm thinking that might keep the connection active.


...JER (-: >
Re: LAN question
...JER #13542 01/03/11 05:44 PM
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cron wink


I work for the Department of Redundancy Department
Re: LAN question
Virtual1 #13544 01/03/11 10:34 PM
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Originally Posted By: Virtual1
cron wink


If I knew Linux, or someone who did. I'll bet it's a simple script. Guess I need Linux for Dummies.


...JER (-: >
Re: LAN question
...JER #13549 01/04/11 05:05 PM
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automator script then?

strangely enough, I find automator complicated and somewhat baffling, but have no problems at all in the command line...

applescript has always been one of those 'works great if you can figure out how to get it to do what you want' kind of languages. Figuring out the syntax it wants in a given specific situation can be extremely frustrating.


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Re: LAN question
Virtual1 #13818 01/20/11 08:51 PM
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I know I'm jumping in a little late, but there are apps that wrap Cron in a GUI for those of us who are command line challenged. I'd search Macupdates for cron.


There are 3 kinds of people, those who can count, and those who can't.
Re: LAN question
Sturner #13835 01/21/11 06:21 PM
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Also worth noting, cron has been depreciated in 10.6 and users are encouraged to use launchd instead. I also find that the mechanism that sends text output from cronjobs via sendmail does not function in 10.6.

(which led to my developing a rather scary Expect script to send using gmail, let me know if you need it)


I work for the Department of Redundancy Department
Re: LAN question
Virtual1 #14009 02/03/11 04:25 AM
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Originally Posted By: Virtual1
Also worth noting, cron has been depreciated in 10.6...


*blink*

How does one create a Unix-derived operating system that deprecates cron? That's like deprecating ls or man or sendmail.


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Re: LAN question
tacit #14019 02/03/11 01:19 PM
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Originally Posted By: tacit
How does one create a Unix-derived operating system that deprecates cron? That's like deprecating ls or man or sendmail.


well I did mention that sendmail doesn't work anymore too wink


I work for the Department of Redundancy Department
Re: LAN question
tacit #14036 02/04/11 02:45 AM
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Originally Posted By: tacit
How does one create a Unix-derived operating system that deprecates cron? That's like deprecating ls or man or sendmail.

Same way a Unix system deprecates vi in favor of vim, or rsh in favor of ssh. When you have a superior tool available, discourage use of the old inferior tool.

OK, vi and rsh are still there, and haven't been officially deprecated (although rsh should be), but files like /etc/passwd or /etc/rc are either gone or only a shadow of their former selves. Even Unix sometimes lets go of the past.


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