配置虚拟局域网 VLAN .pptVIP

第三章 配置虚拟局域网（VLAN) 虚拟局域网VLAN 网络分段 灵活性 安全性 VLAN的操作与特性 VLAN的成员模式 静态：由管理员静态（人工）配置 动态：基于MAC地址、IP地址等识别其成员资格 基于端口的VLAN划分 VLAN的标准 配置静态VLAN VLAN的配置步骤 定义Trunk 创建VLAN 划分VLAN成员 检查配置结果 Defining a Trunk Defining a Trunk Verifying a Trunk Verifying a Trunk Adding a VLAN Adding a VLAN Verifying a VLAN Verifying a VLAN Modifying a VLAN Name Assigning Switch Ports to a VLAN Assigning Switch Ports to a VLAN Verifying VLAN Membership Verifying VLAN Membership 使用终端检查 Slide 1 of 1 Purpose: Emphasize: Note: The output shows that there are currently no ports assigned to VLAN 9. Slide 1 of 2 Purpose: Emphasize: By default, all ports are in VLAN 1. 中国最庞大的数据库下载 3rd floor 2nd floor 1st floor SALES HR ENG 每个VLAN都等于一个广播域 Switch A Green VLAN Black VLAN Blue VLAN Switch B Green VLAN Black VLAN Blue VLAN Trunk Fast Ethernet 每个VLAN都类似一个物理网段 一个VLAN可跨越多个交换机 干道（Trunk）携载多个VLAN的信息 VLAN5 静态 VLAN 动态 VLAN MAC = 1111.1111.1111 VLAN10 Port e0/9 Port e0/4 VLAN 2 VLAN 1 VLAN 3 Cisco ISL Initial MAC Address Initial Type/Data New CRC 2-Byte TPID2-Byte TCI ISL Header 26 bytes Encapsulated Ethernet frame CRC 4 bytes IEEE802.1Q Engineering VLAN Marketing VLAN Sales VLAN Floor #1 Floor #2 Floor #3 Physical Layer LAN Switch Human Layer Network Layer Routing Function Interconnects VLANs Data-Link Layer Broadcast Domains All users attached to same switch port must be in the same VLAN. x trunk [on | off | desirable | auto | nonegotiate] wg_sw_a(config-if)# On = Set trunk on and negotiate with other side Off = Set trunk off and negotiate with other side Desirable = Negotiate with other side. Trunk on if other side is on, desirable, or auto Auto = Will be a trunk only if the other side is on or desirable Non-negotiate = Set trunk on and will not negotiate wg_sw_a#conf terminal Enter configuration commands, one per line. End with CNTL/Z wg_sw_a(config)#interface f0/26 wg_sw_a(config-if)#trunk on First trunk port(Port A) On = Set trunk on and negotiate with other side Off = Set trunk off and nego