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Alteon OS Application Guide
Chapter 3: VLANs
7742C4911, January 2007
VLANs and Port VLAN ID Numbers
VLAN Numbers
Alteon OS supports up to 1024 VLANs per switch. Even though the maximum number
of VLANs supported at any given time is 1024, each can be identified with any number
between 1 and 4095. VLAN 1 is the default VLAN for the external ports and the internal blade
ports. VLAN 4095 is reserved for use by the internal management ports (MGT1 and MGT2).
VLAN 4094 is reserved for use by the external management port (EXT7).
Viewing VLANs
VLAN information menu:
NOTE – The sample screens that appear in this document might differ slightly from the screens
displayed by your system. Screen content varies based on the type of BladeCenter unit that you
are using and the firmware versions and options that are installed.
PVID Numbers
Each port in the switch has a configurable default VLAN number, known as its PVID. By
default, the PVID for all non-management ports is set to 1, which correlates to the default
VLAN ID. The PVID for each port can be configured to any VLAN number between 1 and
4094.
VLAN Name Status Ports
---- ------------------------ ------ -------------------------
1 Default VLAN ena INT1-INT14 EXT1-EXT6
2 VLAN 2 dis empty
4094 EXT-Mgmt VLAN ena EXT7
4095 Mgmt VLAN ena MGT1-MGT2
PVLAN Protocol FrameType EtherType Priority Status Ports
----- -------- -------------------- -------- ------ -----------
1 2 empty 0000 0 dis empty
PVLAN PVLAN-Tagged Ports
----- ---------------------------
none none