H3C S3100 Series Ethernet Switches Command Manual (For Soliton)(V1.02)

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07-Voice VLAN Commands
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Chapter 1  Voice VLAN Configuration Commands

1.1  Voice VLAN Configuration Commands

1.1.1  display voice vlan error-info

Syntax

display voice vlan error-info

View

Any view

Parameters

None

Description

Use the display voice vlan error-info command to display the ports on which the voice VLAN function fails to be enabled.

 

&  Note:

When ACL number applied to a port reaches to its threshold, voice VLAN cannot be enabled on this port.

 

Examples

# Display the ports on which voice VLAN fails to be enabled.

<Sysname> display voice vlan error-info

Fail to apply voice VLAN ACL rules to the following port(s):

  Ethernet1/0/10    Ethernet1/0/15

1.1.2  display voice vlan oui

Syntax

display voice vlan oui

View

Any view

Parameters

None

Description

Use the display voice vlan oui command to display the organizationally unique identifier (OUI) list used for identifying voice traffic.

The output of the command displays the OUI addresses, their masks, and descriptions.

By default, there are five pre-defined OUI addresses in the system. You can use the voice vlan mac-address command to add, modify, or remove OUI addresses.

Examples

# Display the OUI list for the voice VLAN.

<Sysname> display voice vlan oui

Oui Address      Mask           Description

0003-6b00-0000  ffff-ff00-0000  Cisco phone

000f-e200-0000  ffff-ff00-0000  H3C Aolynk phone

00d0-1e00-0000  ffff-ff00-0000  Pingtel phone

00e0-7500-0000  ffff-ff00-0000  Polycom phone

00e0-bb00-0000  ffff-ff00-0000  3Com phone

1.1.3  display voice vlan status

Syntax

display voice vlan status

View

Any view

Parameters

None

Description

Use the display voice vlan status command to display voice VLAN-related information.

The output of the command displays information such as the voice VLAN security mode and voice VLAN assignment mode (manual or automatic).

Related commands: voice vlan, voice vlan enable.

Examples

# Display the information about the voice VLAN.

<Sysname> display voice vlan status

Voice Vlan status: ENABLE

Voice Vlan ID: 2

Voice Vlan security mode: Security

Voice Vlan aging time: 100 minutes

Current voice vlan enabled port mode:

PORT                     MODE

--------------------------------

Ethernet1/0/2          AUTO

Ethernet1/0/3          MANUAL

Table 1-1 Description on the fields of the display voice vlan status command

Field

Description

Voice Vlan status

The status of global voice VLAN function: enabled or disabled.

Voice Vlan ID

The VLAN which is currently enabled with voice VLAN.

Voice Vlan security mode

The status of voice VLAN security mode: enabled or disabled.

Voice Vlan aging time

The voice VLAN aging time

Current voice vlan enable port mode

The ports on which the voice VLAN function is enabled.

 

  Caution:

The Current voice vlan enable port mode field lists the ports with the voice VLAN function enabled. Note that not all of them are transmitting packets in the voice VLAN. To view the ports operating in the voice VLAN currently, use the display vlan command.

 

1.1.4  display vlan

Syntax

display vlan vlan-id

View

Any view

Parameters

vlan-id: Specifies the ID of the current voice VLAN in the range of 1 to 4094.

Description

Use the display vlan command to display information about the specified VLAN.

For the voice VLAN, this command displays all the ports in the VLAN.

Related commands: voice vlan, voice vlan enable.

Examples

# Display all the ports in the current voice VLAN, assuming that the current voice VLAN is VLAN 6.

<Sysname> display vlan 6

 VLAN ID: 6

 VLAN Type: static

 Route Interface: not configured

 Description: VLAN 0006

 Name: VLAN 0006

 Tagged   Ports:

  Ethernet1/0/5

 Untagged Ports:

  Ethernet1/0/6

The output indicates that Ethernet 1/0/5 and Ethernet 1/0/6 are in the voice VLAN.

1.1.5  voice vlan

Syntax

voice vlan vlan-id enable

undo voice vlan enable

View

System view

Parameters

vlan-id: Specifies the ID of the VLAN to be enabled with the voice VLAN function, in the range of 2 to 4094. Note that the VLAN must already exist.

Description

Use the voice vlan command to configure the specified VLAN as the voice VLAN, that is, enable voice VLAN globally.

Use the undo voice vlan enable command to remove the voice VLAN configuration from the specified VLAN.

By default, voice VLAN is disabled globally.

After a VLAN is configured as the voice VLAN, the switch will modify QoS priorities for the traffic in the VLAN to improve its transmission preference, guaranteeing that the voice data can be transmitted preferentially.

To make the voice VLAN function take effect on a port, you must enable the function both globally and on the port with the voice vlan enable command.

 

  Caution:

l      If you want to delete a VLAN with voice VLAN function enabled, you must disable the voice VLAN function first.

l      The voice VLAN function can be enabled for only one VLAN at one time.

 

Related commands: display voice vlan status.

Examples

# Create VLAN 2, and enable the voice VLAN function on it.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] vlan 2

[Sysname-vlan2] quit

[Sysname] voice vlan 2 enable

# After the voice VLAN function of VLAN 2 is enabled, if you enable the voice VLAN function for other VLANs, the system will prompt that your configuration fails.

[Sysname] voice vlan 4 enable

Can't change voice vlan configuration when other voice vlan is running

1.1.6  voice vlan aging

Syntax

voice vlan aging minutes

undo voice vlan aging

View

System view

Parameters

minutes: Sets the voice VLAN aging timer in minutes, in the range of 5 to 43200.

Description

Use the voice vlan aging command to set the voice VLAN aging timer.

Use the undo voice vlan aging command to restore the default.

By default, the voice VLAN aging timer is 1440 minutes.

If a port is configured to work in automatic voice VLAN assignment mode, the switch automatically assigns the port to the voice VLAN when receiving a packet with the source MAC address matching an entry in the OUI list of the switch. As soon as the port is assigned to the voice VLAN, the voice VLAN aging timer starts. If no recognizable voice traffic has been received before the timer expires, the port is removed from the voice VLAN.

The voice VLAN aging timer does not take effect on ports working in manual voice VLAN assignment mode, because these ports are assigned to the voice VLAN statically.

When setting the voice VLAN aging timer, consider the usage frequency of IP phones. Note that:

l           A large voice VLAN aging timer setting can prevent a port from being assigned to or removed from the voice VLAN frequently, keeping voice communication stable. However, this may cause a port to stay in the voice VLAN even if it has not transmitted voice traffic for a long time, occupying system resources and bringing about security problems. Therefore, you are recommended to set a large voice VLAN aging timer in a network with credible network devices and many voice applications.

l           A small voice VLAN aging timer enables the switch to remove a port that has not transmitted voice traffic from the voice VLAN timely, thus improving network security. However, this may cause the port to be assigned to or removed from the voice VLAN frequently. Therefore, you are recommended to set a small voice VLAN aging timer in a network with only a few voice applications.

Related commands: display voice vlan status.

Examples

# Set the aging time of the voice VLAN to 100 minutes.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] voice vlan aging 100

1.1.7  voice vlan enable

Syntax

voice vlan enable

undo voice vlan enable

View

Ethernet port view

Parameters

None

Description

Use the voice vlan enable command to enable the voice VLAN function on the port.

Use the undo voice vlan enable command to disable the voice VLAN function on the port.

By default, the voice VLAN function is disabled on all ports.

To have the voice VLAN function take effect on a port, you must enable it both globally and on the port. Note that the operations are order independent.

 

&  Note:

Voice VLAN is not supported on Combo ports. For information about Combo port, refer to Port Basic Configuration of this manual.

 

Related commands: display voice vlan error-info, display voice vlan status.

Examples

# Enable the voice VLAN function on Ethernet1/0/2.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] interface Ethernet 1/0/2

[Sysname-Ethernet1/0/2] voice vlan enable

1.1.8  voice vlan legacy

Syntax

voice vlan legacy

undo voice vlan legacy

View

Ethernet port view

Parameters

None

Description

Use the voice vlan legacy command to enable the voice VLAN legacy function. This function realizes the communication between H3C device and other vendors’ voice device by automatically adding the voice VLAN tag to the voice data coming from other vendors’ voice device.

Use the undo voice vlan legacy command to disable the voice VLAN legacy function.

By default, the voice VLAN legacy function is disabled.

Examples

# Enable the voice VLAN legacy function on Ethernet1/0/1.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] interface Ethernet 1/0/1

[Sysname-Ethernet1/0/1] voice vlan legacy

1.1.9  voice vlan mac-address

Syntax

voice vlan mac-address oui mask oui-mask [ description text ]

undo voice vlan mac-address oui

View

System view

Parameters

oui: Specify a MAC address, in the format of H-H-H.

oui-mask: Specify a MAC address mask, made up of consecutive Fs and consecutive 0s. It specifies the matching length of the OUI address. When the switch receives a packet, it matches the bits in the source MAC address corresponding to the Fs against the OUI list.

text: Description of the MAC address, containing 1 to 30 characters.

Description

Use the voice vlan mac-address command to add an OUI entry to the OUI list for the specified MAC address. The OUI list contains the MAC addresses of recognizable voice devices. A packet is considered as a voice packet only when its source MAC address can match an entry in the OUI list.

Use the undo voice vlan mac-address command to remove an OUI entry from the OUI list.

By default, the OUI list contains the five pre-defined OUI addresses in Table 1-2. You can modify them with the voice vlan mac-address command.

The OUI list can contain up to 16 OUI address entries.

Table 1-2 Default OUI addresses of a switch

Number

OUI address

Vendor

1

0003-6b00-0000

Cisco phone

2

000f-e200-0000

H3C Aolynk phone

3

00d0-1e00-0000

Pingtel phone

4

00e0-7500-0000

Polycom phone

5

00e0-bb00-0000

3Com phone

 

Related commands: display voice vlan oui.

Examples

# Add MAC address 00aa-bb00-0000 to the OUI list and configure its description as ABC.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] voice vlan mac-address 00aa-bb00-0000 mask ffff-ff00-0000 description ABC

1.1.10  voice vlan mode

Syntax

voice vlan mode auto

undo voice vlan mode auto

View

Ethernet port view

Parameters

None

Description

Use the voice vlan mode auto command to configure the voice VLAN assignment mode of the Ethernet port to automatic.

Use the undo voice vlan mode auto command to configure the voice VLAN assignment mode of the Ethernet port to manual.

You cannot and need not to assign a port working in automatic voice VLAN assignment mode to the voice VLAN manually. When the port receives a packet whose source MAC address matches the OUI list, the port is assigned to the voice VLAN automatically, and the packet is tagged with the voice VLAN tag. If the port has not received any voice data before the voice VLAN aging timer expires, the port is removed from the voice VLAN automatically.

By default, an Ethernet port works in automatic voice VLAN assignment mode.

A port working in manual voice VLAN assignment mode needs to be assigned to the voice VLAN manually. The port stays in the voice VLAN no matter whether voice data is present on the port, that is, the voice VLAN aging timer does not take effect on the port.

Related commands: display voice vlan status.

Examples

# Configure the voice VLAN assignment mode on Ethernet1/0/2 to manual.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] interface Ethernet 1/0/2

[Sysname-Ethernet1/0/2] undo voice vlan mode auto

1.1.11  voice vlan security enable

Syntax

voice vlan security enable

undo voice vlan security enable

View

System view

Parameters

None

Description

Use the voice vlan security enable command to enable the voice VLAN security mode.

Use the undo voice vlan security enable command to disable the voice VLAN security mode.

In security mode, the ports in a voice VLAN and with voice devices attached to can only forward voice data. Data packets with their MAC addresses not among the OUI addresses that can be identified by the system will be filtered out. This mode has no effects on other VLANs.

By default, the voice VLAN security mode is enabled.

Related commands: display voice vlan status.

Examples

# Disable the voice VLAN security mode.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] undo voice vlan security enable

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