Name: NETGEAR M4100 Series ProSAFE
Brand: NETGEAR
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Switching Commands

M4100 Series ProSAFE Managed Switches

show dvlan-tunnel

Use this command without the optional parameters to display all interfaces enabled for

Double VLAN Tunneling. Use the optional parameters to display detailed information about

Double VLAN Tunneling for the specified interface or all interfaces.

• Privileged EXEC

• User EXEC

Voice VLAN Commands

This section describes the commands you use for Voice VLAN. Voice VLAN enables switch

ports to carry voice traffic with defined priority to enable separation of voice and data traffic

coming onto the port. The benefits of using Voice VLAN is to ensure that the sound quality of

an IP phone could be safeguarded from deteriorating when the data traffic on the port is high.

Also the inherent isolation provided by VLANs ensures that inter-VLAN traffic is under

management control and that network- attached clients cannot initiate a direct attack on

voice components. QoS-based on IEEE 802.1P Class of Service (CoS) uses classification

and scheduling to sent network traf

fic from the switch in a predictable manner. The system

uses the source MAC of the traffic traveling through the port to identify the IP phone data

flow.

voice vlan (Global Config)

Use this command to enable the Voice VLAN capability on the switch.

Format show dvlan-tunnel [interface {<slot/port> | all}]

Mode

Term Definition

Interface Valid slot and port number separated by forward slashes.

Mode The administrative mode through which Double VLAN Tunneling can be enabled or

disabled. The default value for this field is disabled.

EtherType A 2-byte hex EtherType to be used as the first 16 bits of the DVLAN tunnel. There are

three different EtherType tags. The first is 802.1Q, which represents the commonly used

value of 0x8100. The second is vMAN, which represents the commonly used value of

0x88A8. If EtherType is not one of these two values, it is a custom tunnel value,

representing any value in the range of 0–65535.

Default disabled

Format voice vlan

Mode Global Config

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NETGEAR M4100 Series ProSAFE Specifications

General