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Author Topic: Self Assigned IP addresses & random connection drops with Mac Leopard  (Read 45879 times)

jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #30 on: July 08, 2009, 10:16:28 AM »

Alright I just did the temp prompt, so we shall see if that fixes things this afternoon! Thanks for the detailed instructions - it helps to troubleshoot stuff when it makes sense, at least how to go about doing it.
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #31 on: July 08, 2009, 10:29:33 AM »

Well that didn't take long... Still dropped out again. :(
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #32 on: July 08, 2009, 10:33:51 AM »

hmm, you have quite a problem on our hands then, now we are going to have to move to the big guns.  Download and install wireshark, you will need to run it from the terminal with a sudo /Applications/Wireshark/Wireshark.app or something similar.

Take a capture from the correct interface and let that capture run for a minute with failed pings and then drop the ARP table and give it a minute of working pings then stop the capture and e-mail it to the e-mail address I am going to PM to you.
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #33 on: July 08, 2009, 10:37:21 AM »

It looks like the correct path for me is:

sudo /Applications/Wireshark.app/Contents/MacOS/Wireshark
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #34 on: July 08, 2009, 10:50:11 AM »

Okay got Wireshark and the 3 interfaces that I have listed are en0 (with an ethernet plugging in icon), en1 (a tower indicating wireless I'm assuming) and lo0 (also ethernet). I'm assuming when my connection is failed that I should click en1, let it run for a minute, do the "sudo arp -d -a" in Terminal to jump start the connection (still letting the capture run), let it run for another minute, then stop, save, and email it? Just want to make sure I understand and do it right.
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #35 on: July 08, 2009, 10:52:31 AM »

That's the process, yup.  Also ensure you have a never-ending ping to 192.168.0.1 and 4.2.2.2 during that process so that I can see the order that things happen in the capture.
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #36 on: July 08, 2009, 10:55:43 AM »

How do I go about doing the neverending pings to both of those?
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #37 on: July 09, 2009, 06:19:28 AM »

Am I assuming correctly that you mean having 2 Terminal windows open to run both "ping 192.168.0.1" and "ping 4.2.2.2" at the same time while doing the capture?
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #38 on: July 09, 2009, 08:27:29 AM »

yes, sorry if I wasn't clear enough.
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frostyarcade

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #39 on: July 09, 2009, 01:14:39 PM »

This may seem odd, but I have the A1 revision of this router and have noticed there was only firmware up to 1.04. I see that the other revisions have further upgrades in firmwares.  Could I just use those or is it detrimental to my router to do so.  I see that they fixed the DHCP UI in the later firmware that could solve my problems. Any ideas?
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #40 on: July 09, 2009, 01:20:45 PM »

You can NOT use firmware from another hardware revision without risking damage.


As for the packet capture, that is about the weirdest thing I have seen in a long while.  Would it be possible to get me a capture from before it fails, to it failing, to after it is repaired in much the same style.  I understand that means a potentially long capture, but pcaps compress well.
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #41 on: July 09, 2009, 01:22:51 PM »

Dang! Well, given how much it drops, I'm sure it won't be too long of a capture, unless it decides to play nice for once. Sure, I'll start a capture now with the 2 pings running I'm assuming, and when it cuts, I'll run the 3rd terminal window command to kick it back on and let it run for another minute.
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #42 on: July 09, 2009, 03:15:57 PM »

you're the man.

*** Modified by Fatman who swears he didn't sleep through grammar school English.
« Last Edit: July 10, 2009, 09:22:20 AM by Fatman »
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jra3086

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #43 on: July 10, 2009, 08:43:44 AM »

Well, ain't this the darndest thing. My cable modem was acting up yesterday and not working at all, so I unplugged everything, let it sit for a couple minutes, then plugged it back in. Things came back on as normal and since then the connection hasn't dropped that I can remember, except for a few times last night when I was video chatting and then watching a show on Netflix online. I haven't been using the connection too heavily except for those times, so maybe that's the key? Who knows. I've got it running today but if it runs for a while and nothing happens, I start it over, hoping that the capture won't be too big that way.
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Fatman

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Re: Self Assigned IP addresses & random connection drops with Mac Leopard
« Reply #44 on: July 10, 2009, 09:22:38 AM »

Here is to hoping the world could be that simple.
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