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kmd
Contributor I
Posts: 23
Registered: ‎04-09-2015

Dhcp Relay on vLan Interface?

Hi.

I am trying to put dhcp relay on a new vlan. Vlan 500, but I dont know what commands to use. I already have seven vlans using it, but someone else configured the router.

I tried: (Aruba-DataCenter-1) (vlan "500") #ip helper-address 10.1.10.20. 

And: 

(Aruba-DataCenter-1 (vlan "500") #dhcp-relay- DHCPRelay1

But it didnt like that.

Any help is greatly appreciated.

 

Here is my show interface for vlan 500 and vlan 400

(Aruba-DataCenter-1) #show interface-config vlan 500
vlan "500"
----------
Parameter                   Value
---------                   -----
Interface OSPF profile      N/A
Interface PIM profile       N/A
Interface IGMP profile      N/A
Directed Broadcast Enabled  Disabled
Interface shutdown          Disabled
mtu                         1500
IP Address                  192.168.50.1/255.255.254.0
IP NAT Inside               Disabled
IPv6 Address                N/A
IPv6 link local Address     N/A
DHCP client                 Disabled
DHCP relay profile          N/A
Interface description       N/A

(Aruba-DataCenter-1) #show interface-config vlan 400

vlan "400"
----------
Parameter                   Value
---------                   -----
Interface OSPF profile      N/A
Interface PIM profile       N/A
Interface IGMP profile      N/A
Directed Broadcast Enabled  Disabled
Interface shutdown          Disabled
mtu                         1500
IP Address                  192.168.40.1/255.255.254.0
IP NAT Inside               Disabled
IPv6 Address                N/A
IPv6 link local Address     N/A
DHCP client                 Disabled
DHCP relay profile          DHCPRelay1
Interface description       N/A

Guru Elite
Posts: 8,338
Registered: ‎09-08-2010

Re: Dhcp Relay on vLan Interface?

You need to configure a DHCP relay profile and then apply the profile to the interface.


Thanks,
Tim

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
kmd
Contributor I
Posts: 23
Registered: ‎04-09-2015

Re: Dhcp Relay on vLan Interface?

Hi Tim,

Thanks for your quick response.

I have DHCPRelay1, as a DHCP Profile, it is applied to the other Vlans, by a consulting company. But, when I try to apply it to the vlan500 interface, it rejects it. Can you tell me what command should I be using to apply DHCPRelay1 to vlan500? 

I really appreciate your help. Clearly, training classes are in order, on my end!

 

Guru Elite
Posts: 8,338
Registered: ‎09-08-2010

Re: Dhcp Relay on vLan Interface?

Interface vlan 500
Dhcp-relay-profile


Thanks,
Tim

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
kmd
Contributor I
Posts: 23
Registered: ‎04-09-2015

Re: Dhcp Relay on vLan Interface?

Tim,

Thank you so much. Again, you helped me move forward.

 

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