使用不能 Vlan まとめ
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各メーカーのネットワーク機器で、制限あり or 使用不能な Vlan ID についてまとめました。
Cisco
Router / Catalyst 共通
1002-1005 : Token Ring and FDDI VLANs [1]
1006-4094 : VTP トランスペアレントモードが必要 [2]
Catalyst 3850XS / 9400 / 9500 / 9600 StackWise Virtual
4094 : StackWise Virtual [3]
Nexus 9000
3968-4095 : Internally allocated [4]
Juniper
EX8200 バーチャル シャーシ
4093-4094 : Virtual Chassis [5]
QFX3500 / QFX5100
4093 : Reserved [5]
Arista
EOS [6]
Routed Port も Vlan ID を内部で消費する
内部で消費する Vlan ID は、未設定の場合 1006-4094 から自動でアサインされる
vlan internal order ascending / descending で昇順・降順を制御可能
vlan internal order descending range 4000 4094 のように予めアサインも可能
リファレンス
- ↑ Supported VLANs https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/16-12/configuration_guide/vlan/b_1612_vlan_9500_cg/configuring_vlans.html#concept_hcl_xgj_3gb VLAN IDs 1002 through 1005 are reserved for Token Ring and FDDI VLANs. All of the VLANs except 1002 to 1005 are available for user configuration.
- ↑ 標準範囲 VLAN の設定 https://www.cisco.com/c/ja_jp/td/docs/sw/lanswt-access/cat2960swt/cg/005/swcfg/swvlan.html#74037 （注） スイッチが VTP トランスペアレント モードの場合、拡張範囲 VLAN（ID が 1006 ～ 4094 の VLAN）も作成できます。
- ↑ Restrictions for Cisco StackWise Virtualhttps://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/17-3/configuration_guide/ha/b_173_ha_9500_cg/configuring_cisco_stackwise_virtual.html#reference_kph_hgh_nlb When deploying Cisco StackWise Virtual, ensure that VLAN ID 4094 is not used anywhere on the network. All inter-chassis system control communication between stack members is carried over the reserved VLAN ID 4094 from the global range.
- ↑ Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 9.3(x) VLAN Ranges https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/93x/layer-2-switching/configuration/guide/b-cisco-nexus-9000-nx-os-layer-2-switching-configuration-guide-93x/b-cisco-nexus-9000-nx-os-layer-2-switching-configuration-guide-93x_chapter_0101.html#con_1273370 VLANs Numbers ・3968-4095 Range ・Internally allocated Usage ・These reserved VLANs are allocated for internal device use.
- ↑ 5.0 5.1 Ethernet Switching User Guide vlan-id https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/ref/statement/vlan-id-edit-vlans-qfx-series.html 1 through 4092 (EX8200 Virtual Chassis only) For VLANs on a QFX3500 and QFX3500 switch, if you use the default factory configuration, all traffic originating on the VLAN is untagged and has a VLAN identifier of 1. The number zero is reserved for priority tagging and the number 4093 is also reserved.
- ↑ Allocating Internal VLANs https://www.arista.com/en/um-eos/eos-virtual-lans-vlans#xx1152508 the switch allocates as internal VLANs when configuring routed ports and the order of their allocation. By default, the switch allocates VLANs in ascending order. The default allocation range is between VLAN 1006 and VLAN 4094.