发布时间：2021-12-10 来源：win7旗舰版 浏览量：
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网络技术是从1990年代中期发展起来的新技术，它把互联网上分散的资源融为有机整体，实现资源的全面共享和有机协作，使人们能够透明地使用资源的整体能力并按需获取信息。资源包括高性能计算机、存储资源、数据资源、信息资源、知识资源、专家资源、大型数据库、网络、传感器等。 当前的互联网只限于信息共享，网络则被认为是互联网发展的第三阶段。 CISCO 4908G配置：sh run Building configuration... Current configuration: ! version 12.0 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname Router ! enable password cisco 进去特权模式的密码 ! username cisco password 0 cisco 远程telnet管理登陆的用户名和密码 ip subnet-zero bridge irb 桥接路由 ! ! ! interface Port-channel1 建立一个快速通道 no ip address no ip directed-broadcast hold-queue 300 in ! interface Port-channel1.1 设置快速通道的vlan1接口，子端口1 encapsulation dot1Q 1 native 封装802.1q协议，设置为vlan 1 no ip redirects no ip directed-broadcast bridge-group 1 桥接本交换机所有的vlan 1 ! interface Port-channel1.2 设置快速通道vlan 2接口，子端口2 encapsulation dot1Q 2 封装802.1q协议，设置为vlan 2 no ip redirects no ip directed-broadcast bridge-group 2 桥接本交换机的 vlan 2 ! interface Port-channel1.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface Port-channel1.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface Port-channel1.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface Port-channel1.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface Port-channel1.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet1 no ip address no ip directed-broadcast ! interface GigabitEthernet1.1 设置第一个千兆口的第一个子端口 encapsulation dot1Q 1 native 使第一个子端口划分为vlan 1中 no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet1.2 设置第一个千兆口的第二个子端口 encapsulation dot1Q 2 把第二个子端口划分为 vlan 2中(注：第2个子端口必须划分到vlan 2,不能划分到其他vlan否则，就无效) no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet1.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet1.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet1.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet1.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet1.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet2 no ip address no ip directed-broadcast ! interface GigabitEthernet2.1 encapsulation dot1Q 1 native no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet2.2 encapsulation dot1Q 2 no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet2.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet2.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet2.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet2.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet2.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet3 no ip address no ip directed-broadcast ! interface GigabitEthernet3.1 encapsulation dot1Q 1 native no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet3.2 encapsulation dot1Q 2 no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet3.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet3.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet3.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet3.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet3.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet4 no ip address no ip directed-broadcast ! interface GigabitEthernet4.1 encapsulation dot1Q 1 native no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet4.2 encapsulation dot1Q 2 no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet4.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet4.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet4.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet4.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet4.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet5 no ip address no ip directed-broadcast ! interface GigabitEthernet5.1 encapsulation dot1Q 1 native no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet5.2 encapsulation dot1Q 2 no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet5.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet5.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet5.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet5.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet5.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface GigabitEthernet6 no ip address no ip directed-broadcast channel-group 1 ! interface GigabitEthernet7 no ip address no ip directed-broadcast channel-group 1 ! interface GigabitEthernet8 no ip address no ip directed-broadcast ! interface GigabitEthernet8.1 encapsulation dot1Q 1 native no ip redirects no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet8.2 encapsulation dot1Q 2 no ip redirects no ip directed-broadcast bridge-group 2 ! interface GigabitEthernet8.3 encapsulation dot1Q 3 no ip redirects no ip directed-broadcast bridge-group 3 ! interface GigabitEthernet8.4 encapsulation dot1Q 4 no ip redirects no ip directed-broadcast bridge-group 4 ! interface GigabitEthernet8.5 encapsulation dot1Q 5 no ip redirects no ip directed-broadcast bridge-group 5 ! interface GigabitEthernet8.6 encapsulation dot1Q 6 no ip redirects no ip directed-broadcast bridge-group 6 ! interface GigabitEthernet8.10 encapsulation dot1Q 10 no ip redirects no ip directed-broadcast bridge-group 10 ! interface BVI10 （远程管理登陆ip地址） ip address 192.168.1.251 255.255.255.0 no ip directed-broadcast ! ip classless ! bridge 1 protocol ieee 配置桥接协议 bridge 2 protocol ieee bridge 3 protocol ieee bridge 4 protocol ieee bridge 5 protocol ieee bridge 6 protocol ieee bridge 10 protocol ieee bridge 10 route ip ! line con 0 transport input none line aux 0 line vty 0 4 password cisco login local ! end 如果，6509上面增加新的vlan 比如：增加 vlan 20,则在4908g上需要增加的配置的命令是 在每个千兆口上和快速通道口上划分一个新的子端口， interface GigabitEthernet1.20 encapsulation dot1Q 20 bridge-group 20 每个端口都参照这样配置。 在router（config）#状态下，加入以下命令： bridge 20 protocol ieee 按照这种方式就可以增加vlan cisco 4908g-L3 三层交换机，每个端口均支持三层交换！ 第三层交换12 Mpps为布线室和数据中心提供高性能、中等密度的、10/100/1000M以太网模块交换平台。 网络的神奇作用吸引着越来越多的用户加入其中，正因如此，网络的承受能力也面临着越来越严峻的考验―从硬件上、软件上、所用标准上......，各项技术都需要适时应势，对应发展，这正是网络迅速走向进步的催化剂。 |
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