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AB_10
Beginner

cisco IP phone cp-7811 not getting DHCP ip address

  • cisco IP phone cp-7811 not getting DHCP ip address in one Catalyst 9200 switch the same phone can get IP with other 9200 switches

    I have been checked everything correctly configured

    !
    interface GigabitEthernet1/0/3

    switchport access vlan 998

    switchport mode access

    switchport voice vlan 102

    spanning-tree portfast

    end
    !
    CDP is enable

    DHCP is working with option 150

    any idea what is maybe wrong ?
    and is there anything I can do about it?

  •  

    Note: when i tried other cisco phone model “cisco 8845” it work fine with no problems
    Issue seems with cp-7811 only

1 ACCEPTED SOLUTION

Accepted Solutions
AB_10
Beginner

4 REPLIES 4
Leo Laohoo
VIP Community Legend

Reboot the switch. 

What firmware is the switch/stack running on?

balaji.bandi
VIP Guru

On cat 9200 what IOS running ? is this new switch ever worked for this Phone or working before ? or migrated to Cat 9200

 

if the same Phone working on other Cat 9200, then i will compare the IOS version, configuration and dhcp scope options.

 

BB

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AB_10
Beginner

Upgrading to 17.3.4B
Solves the problem
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz76172 

thanks for the feedback upgrading solve the issue.

 

BB

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