H3C S3100 Series Installation instructions

Command Manual (For Soliton) – Voice VLAN
H3C S3100 Series Ethernet Switches Table of Contents
i
Table of Contents
Chapter 1 Voice VLAN Configuration Commands.....................................................................1-1
1.1 Voice VLAN Configuration Commands .............................................................................1-1
1.1.1 display voice vlan error-info ....................................................................................1-1
1.1.2 display voice vlan oui..............................................................................................1-1
1.1.3 display voice vlan status .........................................................................................1-2
1.1.4 display vlan..............................................................................................................1-3
1.1.5 voice vlan ................................................................................................................1-4
1.1.6 voice vlan aging.......................................................................................................1-5
1.1.7 voice vlan enable ....................................................................................................1-7
1.1.8 voice vlan legacy.....................................................................................................1-7
1.1.9 voice vlan mac-address ..........................................................................................1-8
1.1.10 voice vlan mode ....................................................................................................1-9
1.1.11 voice vlan security enable...................................................................................1-10

Command Manual (For Soliton) – Voice VLAN
H3C S3100 Series Ethernet Switches Chapter 1 Voice VLAN Configuration 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

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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.

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<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

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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.

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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:
zIf you want to delete a VLAN with voice VLAN function enabled, you must disable
the voice VLAN function first.
zThe 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

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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:
zA 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.
zA 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

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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

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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.

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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

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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

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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