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Old 01-16-2002, 08:46 PM   #1
BrianG
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Registered: Apr 2001
Location: Cape Cod, MA
Distribution: Redhat 6.2/7.2 & FreeBSD 4.4
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Major network slowdown.


I was ftp'ing a bunch of files to and from my linux boxes. All of a sudden, they all seemed to slow and then stop. So I checked the load of one of the boxes and it was around 1.5, 1.5, 1.6. So I waited about 15 mins, and it never went down. I tried to telnet into it, and it took about 30 secs for the box to respond (before I get the login prompt). So i rebooted the box. It still happens! I even rebooted this machine, restarted router, anything I could think of. And when I try to ftp into it, it takes about 30-45 secs for the folders to list. The web server is FINE, fast, normal. I can ping the machine, I get a normal ping. This happens to my other linux box now too. Whats wrong?
 
Old 01-16-2002, 09:32 PM   #2
BrianG
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Ok, I searched around some old newgroups, and as always, I figured it out about 10 mins after I posted. I added my internal IP of this machine to /etc/hosts. That seemed to fix it, I guess it was having a problem resolving DNS or something .

But now what, why did this all of a sudden happen? I dont want to have to add and IP for every machine that I will log on from. Will this not be a problem from outside the network?
 
Old 01-16-2002, 09:59 PM   #3
xanthium
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Registered: Apr 2001
Location: Bombay ( INDIA )
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Exclamation check d

hi ,

check if you have identd service running ...... normally ftp does not require dns lookup so u need not need dns entries for each and every client except if you have ident daemon running around ....... but still i may be wrong ...... check it out with ident running and without ident not running.

regards,
xanthium.

 
Old 01-17-2002, 05:39 PM   #4
BrianG
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Registered: Apr 2001
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opened up etc/nsswitch.conf

changed:

hosts: files dns
networks: files dns


to:

hosts: files
networks: files

works great now .
 
Old 01-18-2002, 02:32 AM   #5
xanthium
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Wink nice to know

Hi ,

nice to know that u could solve it all by urself and for having the manners to close the thread ( many dont have the decency to do so ) ........

regards,
xanthium.

 
  


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