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Education > Certification Cisco > problem with dh...
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problem with dhcp on 2960 switches

by "SIMON WATSON" <info@[EMAIL PROTECTED] > Apr 2, 2008 at 03:29 PM

Hi All

I need your help

We have a dhcp server that was connected to Cisco 2960 which in turn was 
connected to alcatel switches, all worked fine. we changed the alcatel 
switches to cisco 2960's. We now have a problem that only devices directly

connected to the original 2960(where the dhcp server is connected to) is 
receiving IP addresses we have now 4 other 2960's onthe network but we 
cannot get a IP address when we connect to any of the ****ts. doing a
sniffer 
trace on the working switch the DHCP four way handshake is performed, 
discovery>>offer>>request>>>ack

On one of the other switches only the discovery is seen but no offer 
response from the dhcp server is seen therefore no ip address is received.

the new switches only have ****tfast set and an ip address for vlan1 so I 
cannot understand what is stopping the dhcp traffic

Any  Ideas

Thanks

Simon
 




 3 Posts in Topic:
problem with dhcp on 2960 switches
"SIMON WATSON"   2008-04-02 15:29:55 
Re: problem with dhcp on 2960 switches
"headsetadapter.com&  2008-04-02 16:02:02 
Re: problem with dhcp on 2960 switches
"SIMON WATSON"   2008-04-04 09:29:23 

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tan12V112 Thu Jul 24 13:11:46 CDT 2008.