使用不能 Vlan まとめ
提供：hkatou_Lab
各メーカーのネットワーク機器で、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]
Catalyst 3850XS / 9400 / 9500 / 9600 StackWise Virtual
4094 : StackWise Virtual
Nexus 9000
3968-4095 : Internally allocated [2]
Juniper
EX8200 バーチャル シャーシ
4093-4904 : Virtual Chassis
QFX3500 / QFX5100
4093 : Reserved
Arista
EOS [3]
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 VLANshttps://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.
- ↑ Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 9.3(x) VLAN Rangeshttps://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.
- ↑ 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.
