前几天网络课的实验,仅供菜鸟交流用,不足之处,请大家指出,谢谢!
实验目的:理解链路聚合的配置及原理@H_404_12@
技术原理:端口聚合(@H_404_12@Aggregate-port@H_404_12@)又称链路聚合,是指两台交换机之间在物理上将多个端口连接起来,将多条链路聚合成一条逻辑链路。从而增大链路带宽,解决交换网络中因带宽引起的网络瓶颈问题。多条物理链路之间能够相互冗余备份,其中任意一条链路断开,不会影响其他链路的正常转发数据。@H_404_12@
实验拓扑:@H_404_12@
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实验步骤:@H_404_12@
进入全局模式@H_404_12@
SwitchA@H_404_12@(@H_404_12@config@H_404_12@)@H_404_12@#interface aggregateport 1 @H_404_12@@H_404_12@!创建聚合接口@H_404_12@AG1@H_404_12@
SwitchA@H_404_12@(@H_404_12@config-if@H_404_12@)@H_404_12@#switchport mode trunk @H_404_12@@H_404_12@!配置@H_404_12@AG@H_404_12@模式为@H_404_12@trunk@H_404_12@
SwitchA@H_404_12@(@H_404_12@config@H_404_12@)@H_404_12@# interface range f0/1-2 @H_404_12@@H_404_12@!进入端口@H_404_12@1@H_404_12@和@H_404_12@ 2@H_404_12@
SwitchA@H_404_12@(@H_404_12@config-if-range@H_404_12@)@H_404_12@#port-group 1 @H_404_12@@H_404_12@!配置端口@H_404_12@1@H_404_12@和@H_404_12@ 2@H_404_12@属于@H_404_12@AG1@H_404_12@
SwitchA#show aggregateport 1 summary @H_404_12@@H_404_12@@H_404_12@!查看端口聚合组@H_404_12@1@H_404_12@的信息@H_404_12@
注:@H_404_12@G1@H_404_12@,最大支持端口数为@H_404_12@8@H_404_12@个,当前@H_404_12@vlan@H_404_12@模式为@H_404_12@trunk@H_404_12@,组成员有@H_404_12@f0/1,f0/2@H_404_12@。@H_404_12@
SwitchB@H_404_12@(@H_404_12@config@H_404_12@)@H_404_12@#interface aggregateport 1 @H_404_12@@H_404_12@!创建聚合接口@H_404_12@AG1@H_404_12@
SwitchB@H_404_12@(@H_404_12@config-if@H_404_12@)@H_404_12@#switchport mode trunk @H_404_12@@H_404_12@@H_404_12@!配置@H_404_12@AG@H_404_12@模式为@H_404_12@trunk@H_404_12@
SwitchB@H_404_12@(@H_404_12@config@H_404_12@)@H_404_12@# interface range f0/1-2 @H_404_12@@H_404_12@!进入端口@H_404_12@1@H_404_12@和@H_404_12@ 2@H_404_12@
Switch@H_404_12@(@H_404_12@config-if-range@H_404_12@)@H_404_12@#port-group 1 @H_404_12@@H_404_12@!配置端口@H_404_12@1@H_404_12@和@H_404_12@ 2@H_404_12@属于@H_404_12@AG1@H_404_12@
5. @H_404_12@@H_404_12@@H_404_12@
验证当交换机之间的一条链路断开时,@H_404_12@PC1@H_404_12@和@H_404_12@PC2@H_404_12@仍能互相通信。@H_404_12@
注意事项:@H_404_12@
3. @H_404_12@@H_404_12@@H_404_12@
在锐捷交换机上最多支持@H_404_12@8@H_404_12@个物理端口聚合为一个@H_404_12@AG@H_404_12@。@H_404_12@
端口汇聚的限制:
1.不支持两个设备以上的应用
2.只是用于802.3协议簇的MAC机制
3.只能工作在全双工模式下
4.所有捆绑的端口速率必须一致
说明:端口聚合技术不是将以太网帧进行分解,而是选择参与端口聚合的其中一个物理链接将整个以太网帧发送出去,所以端口聚合的过程就是如何将需要发送的以太网帧分发到某一端口的过程。同样,在另一端就是如何将不同端口发送过来的以太网帧合并起来,是指等同于但以端口收到的数据。