目录
一、内网IP地址基于172.16.0.0/16合理分配
二、配置VLAN
1、SW1和SW2之间的链路做聚合
2、配置接口链路类型
3、所有access接口配置为边缘接口,并配置BPDU保护
三、MSTP
1、配置
2、SW1为实例1、0的主根,实例2的备份根
3、SW2为实例2的主根,实例1、0的备份根
四、配置VRRP
1、SW1为 VLANif 2 的master,SW2为backup
2、SW2为 VLANif 3 的master,SW1为backup
3、SW1 与 SW2的VRRP需监控上行链路,上行down时切换网关,抢占延时为20s
五、DHCP
六、OSPF
1、配置IP地址
2、配置OSPF
3、沉默接口
4、汇总、空接口
七、缺省路由、NAT
1、缺省路由
2、NAT
八、实验结果
一、内网IP地址基于172.16.0.0/16合理分配
用于链路连接IP
172.16.0.0/24
172.16.0.0/30
172.16.0.4/30
用于交换机 VLANif 的IP
VLANif 2
172.16.2.0/24
VLANif 3
172.16.3.0/24
二、配置VLAN 1、SW1和SW2之间的链路做聚合[SW1]interface Eth-Trunk 1 [SW1-Eth-Trunk1]trunkport GigabitEthernet 0/0/5 0/0/6
[SW2]interface Eth-Trunk 1 [SW2-Eth-Trunk1]trunkport GigabitEthernet 0/0/5 0/0/6
2、配置接口链路类型[SW1]vlan batch 2 3 [SW1]interface Eth-Trunk 1 [SW1-Eth-Trunk1]port link-type trunk [SW1-Eth-Trunk1]port trunk allow-pass vlan 2 3
[SW1-GigabitEthernet0/0/3]port link-type trunk [SW1-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3
[SW1-GigabitEthernet0/0/4]port link-type trunk [SW1-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3
[SW2]vlan batch 2 3
[SW2-Eth-Trunk1]port link-type trunk
[SW2-Eth-Trunk1]port trunk allow-pass vlan 2 3
[SW2-GigabitEthernet0/0/1]port link-type trunk [SW2-GigabitEthernet0/0/1]port trunk allow-pass vlan 2 3
[SW2-GigabitEthernet0/0/3]port link-type trunk [SW2-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3
[SW3]vlan batch 2 3
[SW3-GigabitEthernet0/0/3]port link-type trunk [SW3-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3
[SW3-GigabitEthernet0/0/1]port link-type trunk [SW3-GigabitEthernet0/0/1]port trunk allow-pass vlan 2 3
[SW3-GigabitEthernet0/0/2]port link-type access [SW3-GigabitEthernet0/0/2]port default vlan 2
[SW3-GigabitEthernet0/0/4]port link-type access [SW3-GigabitEthernet0/0/4]port default vlan 3
[SW4]vlan batch 2 3
[SW4-GigabitEthernet0/0/4]port link-type trunk [SW4-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3
[SW4-GigabitEthernet0/0/1]port link-type trunk [SW4-GigabitEthernet0/0/1]port trunk allow-pass vlan 2 3
[SW4-GigabitEthernet0/0/2]port link-type access [SW4-GigabitEthernet0/0/2]port default vlan 2
[SW4-GigabitEthernet0/0/3]port link-type access [SW4-GigabitEthernet0/0/3]port default vlan 3
3、所有access接口配置为边缘接口,并配置BPDU保护[SW3]port-group group-member g0/0/2 g0/0/4 [SW3-port-group]stp edged-port enable [SW3-GigabitEthernet0/0/2]stp edged-port enable [SW3-GigabitEthernet0/0/4]stp edged-port enable
[SW3]stp bpdu-protection
[SW4]port-group group-member g0/0/2 g0/0/3 [SW4-port-group]stp edged-port enable [SW4-GigabitEthernet0/0/2]stp edged-port enable [SW4-GigabitEthernet0/0/3]stp edged-port enable
[SW4]stp bpdu-protection
三、MSTP 1、配置[SW1]stp mode mstp