Chapter 36: VLAN Commands
Configuring Voice VLANs
– 1118 –
no switchport voice vlan priority
priority-value
- The CoS priority value. (Range: 0-6)
D
EFAULT
S
ETTING
6
C
OMMAND
M
ODE
Interface Configuration
C
OMMAND
U
SAGE
Specifies a CoS priority to apply to the port VoIP traffic on the Voice VLAN.
The priority of any received VoIP packet is overwritten with the new
priority when the Voice VLAN feature is active for the port.
E
XAMPLE
The following example sets the CoS priority to 5 on port 1.
Console(config)#interface ethernet 1/1
Console(config-if)#switchport voice vlan priority 5
Console(config-if)#
switchport voice
vlan rule
This command selects a method for detecting VoIP traffic on a port. Use
the
no
form to disable the detection method on the port.
S
YNTAX
[
no
]
switchport voice vlan rule
{
oui
|
lldp
}
oui
- Traffic from VoIP devices is detected by the Organizationally
Unique Identifier (OUI) of the source MAC address.
lldp
- Uses LLDP to discover VoIP devices attached to the port.
D
EFAULT
S
ETTING
OUI: Enabled
LLDP: Disabled
C
OMMAND
M
ODE
Interface Configuration
C
OMMAND
U
SAGE
•
When OUI is selected, be sure to configure the MAC address ranges in
the Telephony OUI list (see the
command. MAC
address OUI numbers must be configured in the Telephony OUI list so
that the switch recognizes the traffic as being from a VoIP device.
•
LLDP checks that the “telephone bit” in the system capability TLV is
turned on. See
for more information
on LLDP.
Summary of Contents for SSE-G2252
Page 42: ...44 General IP Routing on page 627...
Page 603: ...Chapter 16 IP Configuration Setting the Switch s IP Address IP Version 6 609...
Page 883: ...Chapter 24 General Security Measures Port based Traffic Segmentation 894...
Page 989: ...Chapter 30 Congestion Control Commands Automatic Traffic Control Commands 1000 Console...
Page 1007: ...Chapter 33 Address Table Commands 1019...
Page 1137: ...Chapter 38 Quality of Service Commands 1150...