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@Repository注解的作用和用法,以及和@Mapper的区别

实验大纲

二层聚合端口配置

1.构建网络拓扑结构图

2.修改交换机名字

3.创建聚合组进入聚合接口模式

4.将端口绑定到聚合端口(接口模式)

5.聚合接口下端口配置(聚合接口模式)

6.具体配置

7.验证端口通道1的状态

8.配置ip

9.测试连通性

使用desirable模式实现网络互通

1.交换机S1的配置

2.交换机S2的配置

工作原理

将连接多个物理链路的端口捆绑在一起形成一个逻辑端口,这个逻辑端口成为聚合端口(AP)。聚合端口AP的功能遵循IEEE802.3ad标准,目标是扩展链路带宽,提高链路可靠性。

端口聚合条件: 一般交换机最多支持8个物理端口组成一个聚合端口,同时要满足以下条件:
1、物理端口速度相同;
2、物理端口介质相同;
3、物理端口层次一致;
4、AP成员端口必须属于同一个VLAN。

端口聚合又称链路捆绑,分为二层端口聚合和三层端口聚合。二层端口聚合针对二层交换机,交换机接口只能是二层性质的,接口链路类型可以设置为trunk和access,形成的链路不带IP地址功能。三层聚合端口也称为路由聚合端口,针对三层交换机,形成的链路带IP地址功能,则不能设置链路类型为trunk 和access。

二层聚合端口配置

1.构建网络拓扑结构图

2.修改交换机名字

Switch(config)#hostname S1

3.创建聚合组进入聚合接口模式

S1(config)#interface port-channel 1

4.将端口绑定到聚合端口(接口模式)

S1(config)#int range f0/1-3
S1(config-if-range)#channel-group 1 mode on

5.聚合接口下端口配置(聚合接口模式)

S1(config)#int port-channel 1
S1(config-if)#switchport mode trunk

6.具体配置

交换机S1的配置

S1>en
S1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
S1(config)#interface range fastEthernet 0/1-2
S1(config-if-range)#switchport mode trunk
S1(config-if-range)#exit
S1(config)#interface range f0/1-2
S1(config-if-range)#shutdown
​
S1(config-if-range)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
%LINK-5-CHANGED: Interface FastEthernet0/2, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down
​
S1(config-if-range)#channel-group 1 mode on
S1(config-if-range)#no shutdown
​
S1(config-if-range)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
%LINK-5-CHANGED: Interface FastEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up
​
S1(config-if-range)#

交换机S2的配置

S2>en
S2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
S2(config)#interface range fastEthernet 0/1-2
S2(config-if-range)#switchport mode trunk
S2(config-if-range)#exit
S2(config)#interface range f0/1-2
S2(config-if-range)#shutdown
​
S2(config-if-range)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
%LINK-5-CHANGED: Interface FastEthernet0/2, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down
​
S2(config-if-range)#channel-group 1 mode on
S2(config-if-range)#no shutdown
​
S2(config-if-range)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
%LINK-5-CHANGED: Interface FastEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up
​
S2(config-if-range)#

7.验证端口通道1的状态

S1#show etherchannel summary 

8.配置ip

9.测试连通性

使用desirable模式实现网络互通

1.交换机S1的配置

S1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
S1(config)#interface range f0/1-2
S1(config-if-range)#switchport mode trunk
S1(config-if-range)#exit
S1(config)#interface range f0/1-2
S1(config-if-range)#shutdown
S1(config-if-range)#channel-group 1 mode desirable
S1(config-if-range)#no shutdown

2.交换机S2的配置

S2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
S2(config)#interface range f0/1-2
S2(config-if-range)#switchport mode trunk
S2(config-if-range)#exit
S2(config)#interface range f0/1-2
S2(config-if-range)#shutdown
S2(config-if-range)#channel-group 1 mode desirable
S2(config-if-range)#no shutdown
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