
Spectralink VIEW Certified Configuration Guide: Aruba Networks
721-1002-000_AB.docx
March 2015 19
Logical and Physical Interfaces
This section defines the Layer 2/3 framework that connects the Spectralink phones with the
WLAN Mobility Controller (MC) and the Access Points. The requirement is that the phones and
Spectralink infrastructure be connected over Layer-2 and have the L2 subnet span across L3
switching/routing fabric.
The steps involved are
1 Define a VLAN for voice on the WLAN.
2 Define the IP parameters for the VLAN.
3 Enable IGMP for use in the Push-to-talk function in the handsets.
4 Turn on the use of proxy ARP.
5 Define the DHCP server for the phones to get their IP addresses.
6 Define the physical port assignment on the MC. Most deployments have the MC
uplinked to a Layer-3 switch which performs routing functions.
These parameters can be easily defined using the Controller Wizard on the WebUI.
Using CLI
IP Interfaces, VLAN configuration
(Aruba651) #configure terminal
(Aruba651) (config) #vlan <vlan ID>
(Aruba651) (config) #interface <vlan ID>
(Aruba651) (config-subif) #ip igmp proxy <port(s) in use for PTT>
(Aruba651) (config-subif) #ip local-proxy-arp
(Aruba651) (config-subif)#ip helper-address <DHCP server / helper for the
VLAN>
(Aruba651) (config-subif)#write m
(Aruba651) (config-subif)#end
Physical Port Assignment
The uplink is configured as follows
(Aruba651) (config) #interface gigabitethernet <slot/port>
(Aruba651) (config-if)#trusted
(Aruba651) (config-if)#no shutdown
(Aruba651) (config-if)#switchport mode trunk
(Aruba651) (config-if)#switchport trunk allowed vlan <VLAN IDs>
(Aruba651) (config-if)#write memory
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