Cisco WS-C2980G-A Software Guide - Page 209
VLAN Ranges, VLANs, Range, Usage, Propagated, by VTP Y/N
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Chapter 10 Configuring VLANs Understanding How VLANs Work VLAN Ranges Catalyst 4500 series switches support 4096 VLANs in accordance with the IEEE 802.1Q standard. These VLANs are organized into several ranges; you use each range slightly differently. Some of these VLANs are propagated to other switches in the network when you use a management protocol, such as the VLAN Trunking Protocol (VTP). Other VLANs are not propagated, and you must configure them on each applicable switch. There are three ranges of VLANs: • Normal-range VLANs: 1-1000, 1002-1005 • Extended-range VLANs: 1025-4094 Note The term nonreserved VLANs is used to denote any VLANs that are not reserved by Cisco; this includes normal-range and extended-range VLANs. 78-15486-01 Note With VTP version 3, you can manage extended-range VLANs 1025-4094. These VLANs are propagated with VTP version 3. • Reserved-range VLANs: 0, 1006-1024, 4095 Table 10-1 describes the VLAN ranges. Table 10-1 VLAN Ranges VLANs Range Usage Propagated by VTP (Y/N) 0, 4095 Reserved range For system use only. You cannot see or use these N/A VLANs. 1 Normal range Cisco default. You can use this VLAN but you cannot Yes delete it. 2-1000 Normal range Used for Ethernet VLANs; you can create, use, and Yes delete these VLANs. 1001 1002-1005 Reserved You cannot create or use this VLAN. May be available Yes in the future. Reserved range1 Cisco defaults for FDDI and Token Ring. Not N/A supported on the Catalyst 4500 series switches. You cannot delete these VLANs. 1006-1009 Reserved range Cisco defaults. Not currently used but may be used for N/A defaults in the future. You can map nonreserved VLANs to these reserved VLANs when necessary. 1010-1024 Reserved range You cannot see or use these VLANs but you can map N/A nonreserved VLANs to these reserved VLANs when necessary. 1025-4094 Extended range For Ethernet VLANs only. You can create, use, and No2 delete these VLANs. 1. You can configure these VLANs as normal-range VLANs by setting the VLAN type to Ethernet using the set vlan type ethernet vlan_name command. 2. With VTP version 3, extended-range VLANs are propagated. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-3
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