Dell PowerEdge XL 5133-4 MXL 10/40GbE Switch IO Module FTOS Command Reference - Page 140
VLAN Membership, Default VLAN
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www.dell.com | support.dell.com VLAN Membership A virtual LAN (VLANs) is a logical broadcast domain or logical grouping of interfaces in a LAN in which all data received is kept locally and broadcast to all members of the group. In Layer 2 mode, VLANs move traffic at wire speed and can span multiple devices. FTOS supports up to 4093 port-based VLANs and one default VLAN, as specified in IEEE 802.1Q. VLANs provide the following benefits: • Improved security because you can isolate groups of users into different VLANs • Ability to create one VLAN across multiple devices On an Aggregator in standalone mode, all ports are configured by default as members of all (4094) VLANs, including the default VLAN. All VLANs operate in Layer 2 mode. You can reconfigure the VLAN membership for individual ports by using the vlan tagged or vlan untagged commands in INTERFACE configuration mode (Configuring VLAN Membership). Physical interfaces and port channels can be members of VLANs. Note: You can assign a static IP address to default VLAN 1 using the ip address command. To assign a different VLAN ID to the default VLAN, use the default vlan-id vlan-id command. If you configure an Aggregator to operate in stacking mode, only the default VLAN is supported. All ports are automatically configured as untagged members of default VLAN 1. To configure additional VLANs in stacking mode, use the vlan tagged and vlan untagged commands. Table 10-1 lists the defaults for VLANs in FTOS. Table 10-1. VLAN Defaults on FTOS Feature Mode Default VLAN ID Default Layer 2 (no IP address is assigned) VLAN 1 Default VLAN When an Aggregator boots up, all interfaces are up in Layer 2 mode and placed in the default VLAN as untagged interfaces. Only untagged interfaces can belong to the default VLAN. By default, VLAN 1 is the default VLAN. To change the default VLAN ID, use the default vlan-id command in CONFIGURATION mode. You cannot delete the default VLAN. 126 | Interfaces