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DHCP isssues

Hi,

we are having issue with our core swich which acting as DHCP for all users and AP.

I am seeing selecting when i issue 

 

sh ip dh binding | in Vlan60
10.227.170.4 0100.f663.464c.a8 Apr 16 2018 12:56 PM Automatic Selecting Vlan60
10.227.170.26 0100.81c4.84b2.54 Apr 16 2018 12:56 PM Automatic Selecting Vlan60
10.227.170.27 0100.81c4.8eb3.c8 Apr 16 2018 12:56 PM Automatic Selecting Vlan60
10.227.170.28 0100.2a10.6e3f.c0 Apr 16 2018 12:56 PM Automatic Selecting Vlan60
10.227.170.29 0100.f663.52f2.e0 Apr 16 2018 12:56 PM Automatic Selecting Vlan60
10.227.170.30 0100.2a10.33da.d0 Apr 16 2018 12:56 PM Automatic Selecting Vlan60

 

we are using 

Model Number : WS-C3650-24TD

Ver: Version 03.06.04.E RELEASE

 

No conflicts observed. this happened all of sudden, no changes made.

 

Much appreciated if any help.  

 

Everyone's tags (2)
4 REPLIES 4
VIP Collaborator

Re: DHCP isssues

Hi,

 

First of all I recommend you to remove the DHCP from your device and put it into a server, do you have many users? when it occurs all the dhcp clients loos conectivity or only a few? It seem like the device loos the binding.

 

-----Do not forget to rate useful answers-----

 

 

Regards,

Re: DHCP isssues

Thanks for reply.

I didn't get "remove the DHCP from your device and put it into a server,"

when the issue happened, few of the user got IP from DHCP. if we set IP manually on the AP, it works fine.

 

VIP Mentor

Re: DHCP isssues

Hello,

 

do you have DHCP snooping enabled by any chance ?

 

Post the config of your switch, we might spot something...

Re: DHCP isssues

We didn't enable DHCP snooping 

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