Configuration Restrictions And Guidelines; Configuration Procedure; Configuring Lldp To Advertise A Specific Voice Vlan - HP 3100 Series Configuration Manual

Configuration restrictions and guidelines

When you enable the switch to automatically discover IP phones through LLDP, following these
restrictions and guidelines:
•
A maximum of five IP phones can be connected to each port of the device.
•
Use this function only with the voice VLAN automatic assignment mode.
•
Do not use this function together with CDP compatibility.

Configuration procedure

To enable LLDP to automatically discover IP phones:
Step
Enter system view.
1.
Enable LLDP to
2.
automatically discover IP
phones.
Configuring LLDP to advertise a specific voice
VLAN
Voice VLAN advertisement through LLDP is available only for LLDP-enabled IP phones. If
CDP-compatibility is enabled, this feature is also available for CDP-enabled IP phones. For more
information about CDP compatibility, see "Configuring LLDP."
This feature allows you to specify the voice VLAN information that LLDP will advertise to IP phones
through network policy TLVs. If you enable CDP compatibility on the device, the device advertise the
voice VLAN information to the IP phones through CDP packets.
The LLDP packets that the device send to IP phones carry the priority information. The CDP packets
that the device send to IP phones do not carry the priority information.
To configure LLDP to advertise a specific voice VLAN:
Step
Enter system view.
1.
Enter interface view or port
2.
group view.
Configure LLDP to advertise
3.
a specific voice VLAN.
Display the voice VLAN
4.
advertised by LLDP.
Command
system-view
voice vlan track lldp
Command
system-view
•
Enter Layer 2 Ethernet interface
view:
interface interface-type
interface-number
•
Enter port group view:
port-group manual
port-group-name
lldp voice-vlan vlan-id
display lldp local-information
132
Remarks
N/A
Disabled by default.
Remarks
N/A
N/A
By default, LLDP advertises
the voice VLAN configured on
the port.
Optional.
The advertised voice LAN
information is displayed in the
MED information fields in
the command output.