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Cisco 8821 taking long time to get DHCP IP

Hi All,

 

Cisco 8821 is taking long time to register because the DHCP IP taking longer time .When configured manual IP it registering  immediately ,

 

This is specifically for this Model of Phone(8821) ,All other model of Cisco  IP phones are getting IP quickly.

 

CUCM: 11.5.1.13902-2

Cisco Phone Firmware : 11-0-5SR1-4(latest)

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Beginner

Re: Cisco 8821 taking long time to get DHCP IP

What version is running on the Wireless LAN Controller (WLC)?

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Beginner

Re: Cisco 8821 taking long time to get DHCP IP

My 8821’s fail to acquire IP address through dhcp and do not retry until power cycled. Firmware 8821.11-0- 3sr6-15

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