Catalyst 9800のFlex Profleにおける最大VLAN数は 16 です。(v17.14.1時点)
ちなみにFlex ProfileのVLANはFlexConnect modeにおけるLocal Switchingに適用されるVLANです。
補足ですが、FlexConnect Local SwitchingにおけるDynamic VLANの利用時にも、Flex ProfileにVLAN定義が必要になります。 そのため大きな組織にて部署別にDynamic VLANで通信を分離したいような場合は、最大数に抵触する可能性があるため留意してください。
最大数に抵触時のエラー
CLIでのエラー
CLIで上限を超えようとすると下記のエラーが表示されます。
% node-1:dbm:wireless:The maximum number of interfaces:16 have been added to the flex-profile.
参考程度に下記は検証で流し込んだ際の全体的な作業ログです。
wlc01(config)#wireless profile flex FlexProf_Test wlc01(config-wireless-flex-profile)# native-vlan-id 100 wlc01(config-wireless-flex-profile)# vlan-name FLX_v101 wlc01(config-wireless-flex-profile-vlan)# vlan-id 101 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v102 wlc01(config-wireless-flex-profile-vlan)# vlan-id 102 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v103 wlc01(config-wireless-flex-profile-vlan)# vlan-id 103 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v104 wlc01(config-wireless-flex-profile-vlan)# vlan-id 104 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v105 wlc01(config-wireless-flex-profile-vlan)# vlan-id 105 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v106 wlc01(config-wireless-flex-profile-vlan)# vlan-id 106 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v107 wlc01(config-wireless-flex-profile-vlan)# vlan-id 107 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v108 wlc01(config-wireless-flex-profile-vlan)# vlan-id 108 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v109 wlc01(config-wireless-flex-profile-vlan)# vlan-id 109 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v110 wlc01(config-wireless-flex-profile-vlan)# vlan-id 110 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v111 wlc01(config-wireless-flex-profile-vlan)# vlan-id 111 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v112 wlc01(config-wireless-flex-profile-vlan)# vlan-id 112 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v113 wlc01(config-wireless-flex-profile-vlan)# vlan-id 113 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v114 wlc01(config-wireless-flex-profile-vlan)# vlan-id 114 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v115 wlc01(config-wireless-flex-profile-vlan)# vlan-id 115 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v116 wlc01(config-wireless-flex-profile-vlan)# vlan-id 116 wlc01(config-wireless-flex-profile-vlan)# vlan-name FLX_v117 % node-1:dbm:wireless:The maximum number of interfaces:16 have been added to the flex-profile. wlc01(config-wireless-flex-profile)# wlc01(config-wireless-flex-profile)#end wlc01#
Web UIでのエラー
Web UIで上限を超えようとすると下記のエラーが表示されます。
Error in Configuring Flex Profile The maximum number of interfaces:16 have been added to the flex-profile.
関連ドキュメント (主要なバージョンを抜粋)
いくつかのバージョンから該当記述を抜粋します。
v16.x系およびv17.x系の古めのバージョン、Extended-Supportのバージョン、筆者の検証バージョンを抜き出しています。
v17.14.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.14.x - Access Points Modes [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-14/config-guide/b_wl_17_14_cg/m-sniffer-cg.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
v17.12.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Dublin 17.12.x - Access Points Modes [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-12/config-guide/b_wl_17_12_cg/m-sniffer-cg.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
v17.9.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Cupertino 17.9.x - FlexConnect [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-9/config-guide/b_wl_17_9_cg/m_vewlc_flex_connect.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
v17.6.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Bengaluru 17.6.x - FlexConnect [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-6/config-guide/b_wl_17_6_cg/m_vewlc_flex_connect.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
v17.1.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Amsterdam 17.1.x - FlexConnect [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-1/config-guide/b_wl_17_11_cg/flexconnect.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
v16.10.x
Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Gibraltar 16.10.x - FlexConnect [Cisco Catalyst 9800 Series Wireless Controllers] - Cisco
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/config-guide/b_wl_16_10_cg/flexconnect.html#restrictions-for-flexconnect-specific-details
FlexConnect mode can support only 16 VLANs per AP.
