Voice Vlan Configuration Guidelines; Configuring A Port To Connect To A Cisco 7960 Ip Phone - Cisco 2950G 24 - Catalyst Switch Software Configuration Manual

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Chapter 16
Configuring Voice VLAN

Voice VLAN Configuration Guidelines

These are the voice VLAN configuration guidelines:

Configuring a Port to Connect to a Cisco 7960 IP Phone

Because a Cisco 7960 IP Phone also supports a connection to a PC or other device, a port connecting the
switch to a Cisco 7960 IP Phone can carry mixed traffic.
You can configure the port to carry voice traffic in one of these ways:
You can configure the IP phone to carry data traffic in one of these ways:
78-14982-01
You should configure voice VLAN on switch access ports.
The Port Fast feature is automatically enabled when voice VLAN is configured. When you disable
voice VLAN, the Port Fast feature is not automatically disabled.
If you enable port security on a voice VLAN port and if there is a PC connected to the IP phone, you
should set the maximum allowed secure addresses on the port to more than 1.
You cannot configure static secure MAC addresses in the voice VLAN.
Voice VLAN ports can also be these port types:
Dynamic access port. See the
on page 14-29
for more information.
Secure port. See the
"Configuring Port Security" section on page 18-4
802.1X authenticated port. See the
more information.
Protected port. See the
information.
Configuring Ports to Carry Voice Traffic in 802.1Q Frames, page 16-4
Configuring Ports to Carry Voice Traffic in 802.1P Priority Tagged Frames, page 16-4
Overriding the CoS Priority of Incoming Data Frames, page 16-5
Configuring the IP Phone to Trust the CoS Priority of Incoming Data Frames, page 16-6
"Configuring Dynamic Access Ports on VMPS Clients" section
"Enabling 802.1X Authentication" section on page 8-8
"Configuring Protected Ports" section on page 18-3
Catalyst 2950 Desktop Switch Software Configuration Guide
Configuring Voice VLAN
for more information.
for
for more
16-3

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