3Com MSR 50, MSR 30 Ffff-f000-0000, Range of 1 to 30 characters, Display voice vlan oui Example

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	mask oui-mask: Valid length of the OUI address, represented in mask, in the
	format of H-H-H, from left to right are consecutive fs and 0s, for example,
	ffff-f000-0000.
	description text: A case sensitive string that describes the OUI address, in the
	range of 1 to 30 characters.
	oui: Deletes an OUI address that is in the format H-H-H, such as 1234-1200-0000,
	which is the logic AND result of mac-addrand oui-mask.Using the display voice
	vlan oui command can display OUI address information. The OUI address cannot
	be a broadcast, multicast or address of all 0s or all fs.
Description	Use the voice vlan mac-addresscommand to make a specified OUI address
	identified by the voice VLAN.
	Use the undo voice vlan mac-addresscommand to remove an OUI address
	from being identified by the voice VLAN.
	A maximum of 16 OUI addresses can be supported by the system.
	The system default OUI addresses, which can be removed or then added, are
	illustrated in the following table.
	Table 115 Default OUI addresses
	Number	OUI	Description
	1	0001-e300-0000	Siemens phone
	2	0003-6b00-0000	Cisco phone
	3	0004-0d00-0000	Avaya phone
	4	00d0-1e00-0000	Pingtel phone
	5	0060-b900-0000	Philips/NEC phone
	6	00e0-7500-0000	Polycom phone
	7	00e0-bb00-0000	3com phone
Related command:	display voice vlan oui.
Example	# Configure the OUI address as 1234-1234-1234, the mask as ffff-ff00-0000, and
	the descriptive string as phone A, that is, voice packets from Phone A with source
	MAC address being 1234-1234-1234 can pass through the voice VLAN.
	<Sysname> system-view
	[Sysname] voice vlan mac-address 1234-1234-1234 mask ffff-ff00-0000
	description PhoneA
	# Display OUI address information.
	<Sysname> display voice vlan oui
	Oui Address	Mask	Description
	0001-e300-0000 ffff-ff00-0000		Siemens phone
	0003-6b00-0000 ffff-ff00-0000		Cisco phone
	0004-0d00-0000 ffff-ff00-0000		Avaya phone
	00d0-1e00-0000 ffff-ff00-0000		Pingtel phone
	0060-b900-0000	ffff-ff00-0000	Philips/NEC phone