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48 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Configuring basic port parameters
2
Enabling dynamic configuration of a Voice over IP (VoIP) phone
You can create a voice VLAN ID for a port, or for a group of ports.
To create a voice VLAN ID for a port, enter commands such as the following.
PowerConnect(config)# interface ethernet 2
PowerConnect(config-if-e1000-2)# voice-vlan 1001
To create a voice VLAN ID for a group of ports, enter commands such as the following.
PowerConnect(config)# interface ethernet 1-8
PowerConnect(config-mif-1-8)# voice-vlan 1001
Syntax: [no] voice-vlan <voice-vlan-num>
where <voice-vlan-num> is a valid VLAN ID between 1 – 4095.
To remove a voice VLAN ID, use the no form of the command.
Viewing voice VLAN configurations
You can view the configuration of a voice VLAN for a particular port or for all ports.
To view the voice VLAN configuration for a port, specify the port number with the show voice-vlan
command. The following example shows the command output results.
The following example shows the message that appears when the port does not have a configured
voice VLAN.
To view the voice VLAN for all ports, use the show voice-vlan command. The following example
shows the command output results.
Syntax: show voice-vlan [ethernet <port>]
Specify the <port> variable in the following formats:
• PowerConnect B-Series FCX stackable switches – <stack-unit/slotnum/portnum>
You can list all of the ports individually, use the keyword to to specify ranges of ports, or a
combination of both.
Configuring port flap dampening
Port Flap Dampening increases the resilience and availability of the network by limiting the number
of port state transitions on an interface.
PowerConnect# show voice-vlan ethernet 2
Voice vlan ID for port 2: 1001
PowerConnect# show voice-vlan ethernet 2
Voice vlan is not configured for port 2.
PowerConnect# show voice-vlan
Port ID Voice-vlan
2 1001
8 150
15 200