1.看需求应该是需要配置Remote LAN
有关远程 LAN 的信息
远程 LAN (RLAN) 用于使用控制器对有线客户端进行身份验证。 一旦有线客户端成功加入控制器，LAN 端口就会在中央或本地交换模式之间切换流量。 来自有线客户端的流量被视为无线客户端流量。
接入点 (AP) 中的 RLAN 发送身份验证请求以对有线客户端进行身份验证。 RLAN 中有线客户端的认证类似于中央认证的无线客户端。
RLAN is supported in APs that have more than one Ethernet port.
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The supported AP models are:
Cisco Catalyst 9105AXW
Cisco Catalyst 9105AXIT
Cisco Aironet OEAP 1810 series
Cisco Aironet 1815T series
Cisco Aironet 1810W series
Cisco Aironet 1815W
可以看看如下文档：
https://www.cisco.com/c/zh_cn/support/docs/wireless/catalyst-9800-series-wireless-controllers/215681-configure-oeap-and-rlan-on-catalyst-9800.html#anc11
2.关于速率协商的问题，首先可以确认一下AP的理论速率
AP9115来说；
802.11n version 2.0 (and related) capabilities | ● 4x4 MIMO with four spatial streams ● Maximal Ratio Combining (MRC) ● 802.11n and 802.11a/g beamforming ● 20- and 40-MHz channels ● PHY data rates up to 890 Mbps (40 MHz with 5 GHz and 20 MHz with 2.4 GHz) ● Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive) ● 802.11 Dynamic Frequency Selection (DFS) ● Cyclic Shift Diversity (CSD) support |
802.11ac | ● 4x4 downlink MU-MIMO with four spatial streams ● MRC ● 802.11ac beamforming ● 20-, 40-, 80-, and 160-MHz channels ● PHY data rates up to 3.47 Gbps (160 MHz with 5 GHz) ● Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive) ● 802.11 DFS ● CSD support |
802.11ax | ● 4x4 downlink MU-MIMO with four spatial streams ● Uplink/downlink OFDMA ● TWT ● BSS coloring ● MRC ● 802.11ax beamforming ● 20-, 40-, 80-, and 160-MHz channels ● PHY data rates up to 5.38 Gbps (160 MHz with 5 GHz and 20 MHz with 2.4 GHz) ● Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive) ● 802.11 DFS ● CSD support |
对于AP1815w
802.11ac | ● 2x2 single-user/multiuser MIMO with two spatial streams ● Maximal Ratio Combining (MRC) ● 20-, 40-, and 80-MHz channels ● PHY data rates up to 866.7 Mbps (80 MHz on 5 GHz) ● Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Rx) ● 802.11 Dynamic Frequency Selection (DFS) ● Cyclic Shift Diversity (CSD) support |
如果AP的速率协商的不够高，可以看看channel bandwidth是否可以调整一下。
Device(config)#ap dot11 5ghz rrm channel dca chan-width {20 | 40 | 80 | best | 160 | best maximum {20 | 40 | 80 | MAX}}
信道频宽约宽，协商的速率可能就越高，但是注意干扰等负面因素带来的问题可能性也会更大。
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/config-guide/b_wl_16_10_cg/radio-resource-management.html
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Rps-Cheers | If it solves your problem, please mark as answer. Thanks !
