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Problem with LAN interface of 3COM 5012 Router

Posted on 2007-03-30
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Last Modified: 2011-09-20
Well,  spent my Friday evening at the school I work at cause near the end of the day the internet was very sporadic in speed.

We have a 3com 5012 Router we just got it last summer... it's been working fine.  But now when I ping it's LAN interface the response time is very very unstable, which is probably causing the internet speed fluctuations.   I get <2ms <2ms 10ms <2ms, then a second later <10ms 2244ms 2500ms 400ms sometimes <2ms 600ms 10ms 1300ms

Just seems like the LAN port is screwy.  I've power cycled the device multiple times, I've tried unplugging it from our Sonic Wall 5060 and plugging it directly into our gigabit switches, but same issues, I've tried a new network cable... same issues...   Just seems like it's the actual port.

The good news is I just purchased another one of these for our elementary school and it's in my office, but is there a way to transfer settings from one router to another?  Or would all the settings have to be typed back in by hand?  I'm thinking of doing a swap, but this new one would need the config typed in, and I don't know routers at all other than simple netgear and linksys.

Anybody have any ideas?  Thanks,

M.
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Question by:diablo-26
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giltjr earned 2000 total points
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For doc on your router you can go here:

http://www.3com.com/products/en_US/result.jsp?selected=2&sort=effdt&order=desc&sku=3C13701

It appears that you can logon to the router and then ftp the config files to a ftp server.

Now varying ping times could be caused more traffic going to/from the router than the router can handle or possible a cable going bad.  You may want to check the doc on the router to see what commands you might be able to issue to see if there are errors on the Interface you connect to on the router.
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