Dynamic IP issue thru HP Procurve switch

November 14, 2011 at 09:42:30
Specs: Windows 7, 2.5/4 gb
1. we have cisco 1812 router configured with dhcp pool.
2. all win 7/network printers are connected thru hp procurve 2610 switch(plain switch, not programmed).
3. working for past 1 yr.
4. recently clients are not able to get dynamic ip.
5.when the cable connected from router to laptop, able to get dynamic ip and services are working fine.
6. But the same cable is connected to Gigabit port on HP Procurve switch, not works.
7. we changed router connectiviy to different switch , dynamic ip's were working fine.
8. now recently same issue repeated on 2nd switch.
9. able to ping gateway of router from the different location of the same VPN connectivity.
10. Servers/Network printers/Access control devices are assigned with static ip.
11. only desktops/laptops will get dynamic ip's.
12. the ip pool range is to sufficient. around 100 ip's.

kindly help me with the solution, what would be the reason for the same ?

Thanks in advance...

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November 14, 2011 at 09:47:57
First off, using DHCP for printers is never a good idea. What you should be doing is using static IP assignments for your printers.

The reasoning is, if you use DHCP it's possible the IP may change and then all mapped printers on all clients would cease to work and then you'd have to re-install them.

Test using a static IP on one printer. If it works just fine once you plug it in, I highly recommend you immediately change all printers to static assignments.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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November 14, 2011 at 09:54:17
Hi william,

THanks for immediate response.

sorry to mention.

That all Servers/LAN Printers and Access control devices are assigned with static ip's.
Only Desktop/laptops will fetch dynamic ip's.

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November 14, 2011 at 10:54:04
Only conclusion I can come to is the switches have gone bad. Might review the environment they are in [too hot or dusty? no air flow?].

If you put in a new switch problem goes away?

Answers are only as good as the information you provide.
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Sorry no tech support via PM's

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