11-3
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
78-13315-02
Chapter 11 Configuring VLANs
Understanding How VLANs Work
Table 11-1
describes the VLAN ranges.
Configurable VLAN Parameters
Whenever you create or modify VLANs 2–1005, you can set the parameters as follows:
Note
Ethernet VLANs 1 and 1025–4094 can use the defaults only.
•
VLAN number
•
VLAN name
•
VLAN type: Ethernet, FDDI, FDDINET, Token Ring Bridge Relay Function (TrBRF), or Token
Ring Concentrator Relay Function (TrCRF)
•
VLAN state: active or suspended
•
Multi-Instance Spanning Tree Protocol (MISTP) instance
•
Private VLAN type: primary, isolated, community, two-way community, or none
•
Security Association Identifier (SAID)
Table 11-1
VLAN Ranges
VLANs
Range
Usage
Propagated
by VTP (Y/N)
0, 4095
Reserved range
For system use only. You cannot see or use these
VLANs.
N/A
1
Normal range
Cisco default. You can use this VLAN but you cannot
delete it.
Yes
2–1000
Normal range
Used for Ethernet VLANs; you can create, use, and
delete these VLANs.
Yes
1001
Normal range
You cannot create or use this VLAN. May be available
in the future.
Yes
1002–1005
Reserved range
Cisco defaults for FDDI and Token Ring. Not
supported on Catalyst 6000 family switches. You
cannot delete these VLANs.
N/A
1006–1009
Reserved range
Cisco defaults. Not currently used but may be used for
defaults in the future. You can map nonreserved
VLANs to these reserved VLANs when necessary.
N/A
1010–1024
Reserved range
You cannot see or use these VLANs but you can map
nonreserved VLANs to these reserved VLANs when
necessary.
N/A
1025–4094
Extended range
For Ethernet VLANs only. You can create, use, and
delete these VLANs, with the following exception:
FlexWAN modules and routed ports automatically
allocate a sequential block of internal VLANs starting
at VLAN 1025. If you use these devices, you must
allow the required number of VLANs for them.
No
