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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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User-configured default VLAN

By default, VLAN1 serves as the default VLAN for switching untagged L2 traffic on OS10 ports in Trunk or Access mode. The default VLAN is used for untagged protocol traffic sent and received between switches, such as STPs. If you use VLAN1 for data traffic for network-specific needs, reconfigure the VLAN ID of the default VLAN.

  • Assign a new VLAN ID to the default VLAN in CONFIGURATION mode, from 1 to 4093.
    default vlan-id vlan-id

In the show vlan output, an asterisk (*) indicates the default VLAN.

Reconfigure default VLAN
OS10# show vlan
Q: A - Access (Untagged), T - Tagged
    NUM    Status    Description                     Q Ports
*   1      up                                        A Eth1/1/1-1/1/25,1/1/29,1/1/31-1/1/54

OS10(config)# interface vlan 10
Sep 19 17:28:10 OS10 dn_ifm[932]: Node.1-Unit.1:PRI:notice [os10:notify], 
%Dell EMC (OS10) %IFM_ASTATE_UP: Interface admin state up :vlan10
OS10(conf-if-vl-10)# exit

OS10(config)# default vlan-id 10
Sep 19 17:28:15 OS10 dn_ifm[932]: Node.1-Unit.1:PRI:notice [os10:trap], %Dell EMC (OS10) %IFM_OSTATE_DN: Interface operational state is down :vlan1
Sep 19 17:28:16 OS10 dn_ifm[932]: Node.1-Unit.1:PRI:notice [os10:trap], %Dell EMC (OS10) %IFM_OSTATE_UP: Interface operational state is up :vlan10

OS10(config)# do show vlan
Codes: * - Default VLAN, M - Management VLAN, R - Remote Port Mirroring VLANs
Q: A - Access (Untagged), T - Tagged
    NUM    Status    Description                     Q Ports
    1      down
*   10     up                                        A Eth1/1/1-1/1/25,1/1/29,1/1/31-1/1/54

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