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Community Member

VLAN - DHCP Relaying - Help

4503 Sup IV

We have 3 VLans,

VLAN 10 10.150.0.0/24

IPHELPER 10.150.0.117

VLAN 11 10.150.1.0/24

IPHELPER 10.150.0.117

VLAN 12 10.150.2.0/24

IPHELPER 10.150.0.117

On 10.150.0.117 we have two scopes set up. One for 10.150.1.x and another for 10.150.2.x.

DHCP clients on VLAN 12 are getting DHCP addresses but not on VLAN 11? HELP PLEASE

2 REPLIES
Hall of Fame Super Bronze

Re: VLAN - DHCP Relaying - Help

Did you activate both scopes on the DHCP server ?

Do you see anything on the DHCP Server log regarding clients requesting IP from that subnet ?

At the 4503 switch issue the following commands:

debug ip dhcp server events

debug ip dhcp server packets

do an ipconfig /renew from a workstation on that subnet

then post the log here.

Please rate helpful posts.

Thanks

Community Member

Re: VLAN - DHCP Relaying - Help

Thanks for your reply, we sorted it out, we had to desolve our DHCP superscope, fine now.

Cheers!

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