Creating, Deleting, And Modifying Vlans - Cisco Nexus 3000 Series Configuration Manual
Nx-os layer 2 switching configuration
guide, release 6.x
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Also See for Nexus 3000 Series:
- Command reference manual (356 pages) ,
- Configuration manual (338 pages) ,
- Installation manual (112 pages)
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Configuring VLANs
Table 2: VLAN Ranges
VLANs Numbers
1
2 to 1005
1006 to 3967 and 4048 to 4093
3968 to 4047 and 4094
The software allocates a group of VLAN numbers for features such as multicast and diagnostics that need to
use internal VLANs for their operation. You cannot use, modify, or delete any of the VLANs in the reserved
group. You can display the VLANs that are allocated internally and their associated use.
Creating, Deleting, and Modifying VLANs
VLANs are numbered from 1 to 4094. All configured ports belong to the default VLAN when you first bring
up the switch. The default VLAN (VLAN1) uses only default values. You cannot create, delete, or suspend
activity in the default VLAN.
You create a VLAN by assigning a number to it. You can delete VLANs as well as move them from the active
operational state to the suspended operational state. If you attempt to create a VLAN with an existing VLAN
ID, the switch goes into the VLAN submode but does not create the same VLAN again.
Newly created VLANs remain unused until ports are assigned to the specific VLAN. All the ports are assigned
to VLAN1 by default.
Depending on the range of the VLAN, you can configure the following parameters for VLANs (except the
default VLAN):
• VLAN name
• Shutdown or not shutdown
OL-29545-03
Range
Normal
Normal
Extended
Internally allocated
Cisco Nexus 3000 Series NX-OS Layer 2 Switching Configuration Guide, Release 6.x
Creating, Deleting, and Modifying VLANs
Usage
Cisco default. You can use this
VLAN, but you cannot modify or
delete it.
You can create, use, modify, and
delete these VLANs.
You can create, name, and use
these VLANs. You cannot change
the following parameters:
• The state is always active.
• The VLAN is always
enabled. You cannot shut
down these VLANs.
These 80 VLANs and VLAN 4094
are allocated for internal device
use. You cannot create, delete, or
modify any VLANs within the
block reserved for internal use.
9
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