2.LWAPP无线架构介绍课件.ppt

LWAPP无线架构介绍 ——原理和部署;无线网络架构的发展;统一无线网络提供更多服务;Agenda;集中式无线局域网架构概览;集中式无线局域网架构AP/Controller: 任务分工;LWAPP;LWAPP-L2;Agenda;架构部署;LWAPP 状态机 (简化版);无线控制器有哪些信誉好的足球投注网站算法 Hunting;3层无线控制器的发现;无线控制器选择算法;无线控制器加入过程Mutual Authentication;配置阶段下发固件和配置;集中式架构中的数据流;Agenda;Mobility概念;客户端如何连接到无线网;用移动组（Mobility Groups）扩展移动性;控制器内部漫游;2层漫游— 控制器之间;3层漫游— 控制器之间;Foreign controllers will send Layer 3 roaming client’s packet back to its anchor controller through EtherIP tunneling Source IP address of the packet will be the foreign controller’s management IP address Upstream routers that have Reverse Path Forwarding (RPF) will forward on packets Configurable option in software release 4.1 ;漫游要求;快速安全漫游 （Fast Secure Roaming）;如何支持漫游—设计最佳实践和限制;Agenda;了解无线控制器 —作为网络设备的无线控制器;思科无线控制器;Cisco访问接入点(AP)—适用于集中式和分布式架构;Port—Physical connection to a neighbor switch/router Interface—Logical connection mapping to a VLAN on the neighbor switch/router Management interface AP Manager interface(s) Dynamic interface(s) Virtual interface Service interface WLAN—Entity that maps an SSID to an interface at the controller, along with security, QoS, radio policies, and other wireless networking parameters;Welcome to the Cisco Wizard Configuration Tool Use the - character to backup System Name [Cisco_44:36:c3]: Enter Administrative User Name (24 characters max): admin Enter Administrative Password (24 characters max): admin Service Interface IP Address Configuration [none][DHCP]: ENTER Enable Link Aggregation (LAG) [yes][NO]:no Enter Port number : 1 Management Interface IP Address: 10.10.80.3 Management Interface Netmask: 255.255.255.0 Management Interface Default Router: 10.10.80.1 Management Interface VLAN Identifier (0 = untagged): 0 Management Interface Port Num [1 to 2]: 1 Management Interface DHCP Server IP Address: 10.10.80.1 AP Transport Mode [layer2][LAYER3]: layer3 AP Manager Interface IP Address: 10.10.80.4 AP-Manager is on Management subnet, using same values AP Manager Interface DHCP Server (10.10.80.1):ENTER Virtual Gat