Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 626
Default VLAN, Interfaces and the Default VLAN Example, Table 37-1.
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www.dell.com | support.dell.com Table 37-1 lists the defaults for VLANs in FTOS. Table 37-1. VLAN Defaults on FTOS Feature Spanning Tree group ID Mode Default VLAN ID Default All VLANs are part of Spanning Tree group 0 Layer 2 (no IP address is assigned) VLAN 1 Default VLAN When you configure interfaces for Layer 2 mode, they are automatically placed in the default VLAN as untagged interfaces. Only untagged interfaces can belong to the default VLAN. Figure 37-1 shows the outcome of placing an interface in Layer 2 mode. To configure an interface for Layer 2 mode, use the switchport command. In Step 1, the switchport command places the interface in Layer 2 mode. In Step 2, the show vlan command in EXEC privilege mode indicates that the interface is now part of the Default VLAN (VLAN 1). Figure 37-1. Interfaces and the Default VLAN Example FTOS(conf)#int tengig 3/2 FTOS(conf-if)#no shut FTOS(conf-if)#switchport FTOS(conf-if)#show config ! interface Tengigabitethernet 3/2 no ip address switchport no shutdown FTOS(conf-if)#end FTOS#show vlan Codes: * - Default VLAN, G - GVRP VLANs NUM * 1 2 FTOS# Status Active Active Q Ports U Tengig 3/2 T Po1(So 0/0-1) T Tengig 3/0 Step 1-the switchport command places the interface in Layer 2 mode Step 2-the show vlan command indicates that the interface is now assigned to VLAN 1 (the * indicates the Default VLAN) By default, VLAN 1 is the default VLAN. To change that designation, use the default vlan-id command in CONFIGURATION mode. You cannot delete the default VLAN. Note: You cannot assign an IP address to the default VLAN. To assign an IP address to a VLAN that is currently the default VLAN, create another VLAN and assign it to be the default VLAN. For more information about assigning IP addresses, refer to Assign an IP Address to a VLAN. 624 | Virtual LANs (VLAN)
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