一、实验要求
实验拓扑图如上图所示
1、按照图示的VLAN及IP地址需求,完成相关配置
2、要求SW1为VLAN 2/3的主根及主网关
SW2为vlan 20/30的主根及主网关
SW1和SW2互为备份
3、可以使用super vlan(本实验未使用)
4、上层通过静态路由协议完成数据通信过程
5、AR1为企业出口路由器
6、要求全网可达
二、实验思路
1、先从交换机下手,将与PC连接的交换机SW3、SW4的VLAN相关配置先配好,然后再配置交换机间相连的配置(SW1、SW2),然后配置三层交换机(交换机与路由器之间的链路配置)
2、在SW1和SW2间的链路配置链路聚合
3、在交换机网络中,配置STP协议,防止链路成环
4、设置交换机的主根和主网关,以及它们的备份
5、配置VRRP、配置路由器的接口ip地址、自己的环回接口、还有静态路由
6、R1为出口路由器,故要在其出口接口配置NAT
7、完善其余步骤达到全网可通
三、实验步骤
1.在LSW3上:
LSW3上需要添加VLAN、划分接口等操作
LSW3\]vlan batch 2 3 20 30 \[LSW3\]INT G0/0/1 \[LSW3-GigabitEthernet0/0/1\]port link-type access \[LSW3-GigabitEthernet0/0/1\]port default vlan 2 \[LSW3-GigabitEthernet0/0/1\]int g0/0/2 \[LSW3-GigabitEthernet0/0/2\]port link-type access \[LSW3-GigabitEthernet0/0/2\]port default vlan 3 **将LSW3的接口0/0/3和0/0/4配置成trunk,并开通VLAN 2 3 20 30** \[LSW3-GigabitEthernet0/0/2\]int g0/0/3 \[LSW3-GigabitEthernet0/0/3\]port link-type trunk \[LSW3-GigabitEthernet0/0/3\]port trunk allow-pass vlan 2 3 20 30 \[LSW3-GigabitEthernet0/0/3\]int g0/0/4 \[LSW3-GigabitEthernet0/0/4\]port link-type trunk \[LSW3-GigabitEthernet0/0/4\]port trunk allow-pass vlan 2 3 20 40  ##### 启动mstp并配置相同的预配置region-configuration \[LSW3\]stp enable \[LSW3\]stp mode mstp \[LSW3\]stp region-configuration \[LSW3-mst-region\]region-name 3 \[LSW3-mst-region\]revision-level 100 \[LSW3-mst-region\]instance 1 vlan 2 to 3 \[LSW3-mst-region\]instance 2 vlan 20 30 \[LSW3-mst-region\]active region-configuration  ### 2.在LSW4上: LSW4上需要添加VLAN、划分接口等操作 \[LSW4\]vlan batch 2 3 20 30 \[LSW4\]int g0/0/2 \[LSW4-GigabitEthernet0/0/2\]port link-type access \[LSW4-GigabitEthernet0/0/2\]port default vlan 30 \[LSW4\]int g0/0/1 \[LSW4-GigabitEthernet0/0/1\]port link-type access \[LSW4-GigabitEthernet0/0/1\]port default vlan 20 \[LSW4\]int g0/0/4 \[LSW4-GigabitEthernet0/0/4\]port link-type trunk \[LSW4-GigabitEthernet0/0/4\]port trunk allow-pass vlan 2 3 20 30 \[LSW4\]int g0/0/3 \[LSW4-GigabitEthernet0/0/3\]port link-type trunk \[LSW4-GigabitEthernet0/0/3\]port trunk allow-pass vlan 2 3 20 30   **启动mstp并配置相同的预配置region-configuration** \[LSW4\]stp enable \[LSW4\]stp mode mstp \[LSW4\]stp region-configuration \[LSW4-mst-region\]region-name 3 \[LSW4-mst-region\]revision-level 100 \[LSW4-mst-region\]instance 1 vlan 2 to 3 \[LSW4-mst-region\]instance 2 vlan 20 30 \[LSW4-mst-region\]active region-configuration  ### 3.在LSW1上: LSW1上需要添加VLAN、划分接口等操作 \[LSW1\]vlan batch 2 3 20 30 \[LSW1\]int g 0/0/3 \[LSW1-GigabitEthernet0/0/3\]port link-type trunk \[LSW1-GigabitEthernet0/0/3\]port trunk allow-pass vlan 2 3 20 30 \[LSW1\]int g0/0/4 \[LSW1-GigabitEthernet0/0/4\]port link-type trunk \[LSW1-GigabitEthernet0/0/4\]port trunk allow-pass vlan 2 3 20 30 \[LSW1\]int Eth-Trunk 0 \[LSW1-Eth-Trunk0\]trunkport GigabitEthernet 0/0/1 to 0/0/2 \[LSW1-Eth-Trunk0\]port link-type trunk \[LSW1-Eth-Trunk0\]port trunk allow-pass vlan 2 3 20 30   **启动mstp并配置相同的预配置region-configuration**  ### 4.在LSW2上: LSW2上需要添加VLAN、划分接口等操作 \[LSW2\]vlan batch 2 3 20 30 \[LSW2\]int g0/0/3 \[LSW2-GigabitEthernet0/0/3\]port link-type trunk \[LSW2-GigabitEthernet0/0/3\]port trunk allow-pass vlan 2 3 20 30 \[LSW2-GigabitEthernet0/0/3\]int g0/0/4 \[LSW2-GigabitEthernet0/0/4\]port link-type trunk \[LSW2-GigabitEthernet0/0/4\]port trunk allow-pass vlan 2 3 20 30 \[LSW2\]int Eth-Trunk 0 \[LSW2-Eth-Trunk0\]trunkport GigabitEthernet 0/0/1 to 0/0/2 \[LSW2-Eth-Trunk0\]port link-type trunk \[LSW2-Eth-Trunk0\]port trunk allow-pass vlan 2 3 20 30   **启动mstp并配置相同的预配置region-configuration**  ### 主根与备份 LSW1成为主根 \[LSW1\]stp instance 1 root primary  LSW2成为备份 \[LSW2\]stp instance 2 root secondary  ### 配置LSW1的VLANIF 2/3(主根)、VLANIF 20/30(备份根) 在交换机上分别设置IP,依次递增,例如LSW1为vlan2 10.0.2.1/24等,LSW2为10.0.2.2/24等 VLAN 2-----\>10.0.2.0/24 VLAN 3-----\>10.0.3.0/24 VLAN 20----\>10.0.20.0/24 VLAN 30----\>10.0.30.0/24 **1.创建VLANif** **LSW1(只修改IP地址,剩下的相同)** \[LSW1\]int Vlanif 2 \[LSW1-Vlanif2\]ip address 10.0.2.1 24 --设置IP地址 \[LSW1-Vlanif2\]vrrp vrid 1 virtual-ip 10.0.2.254 --配置VRRP \[LSW1-Vlanif2\]vrrp vrid 1 priority 120 --设置优先级 \[LSW1-Vlanif2\]vrrp vrid 1 preempt-mode timer delay 20 --设置延迟时间 \[LSW1-Vlanif2\]vrrp vrid 1 track interface GigabitEthernet 0/0/5 reduced 30 --设置上行链路监控   **LSW1是VLAN 20和30的备份根,所以要配置的很少,就ip地址和虚拟IP** **\[LSW1\]interface Vlanif 20** **\[LSW1-Vlanif20\]ip address 10.0.20.1 24** **\[LSW1-Vlanif20\]vrrp vrid 1 virtual-ip 10.0.20.254** **\[LSW1\]int Vlanif 30** **\[LSW1-Vlanif30\]ip address 10.0.30.1 24** **\[LSW1-Vlanif30\]vrrp vrid 1 virtual-ip 10.0.30.254**  使用display命令查看配置  ### 在LSW1的接口0/0/5上配置三层交换机 因为要与路由器R1进行连接,所以要进行额外的VLAN 配置 \[LSW1\]vlan 11 \[LSW1-vlan11\]int g0/0/5 \[LSW1-GigabitEthernet0/0/5\]port link-type access \[LSW1-GigabitEthernet0/0/5\]port default vlan 11 \[LSW1\]int Vlanif 11 \[LSW1-Vlanif11\]ip address 10.0.0.1 30  ### 配置LSW2的VLANIF 20/30(主根)、VLANIF 2/3(备份根) **因为LSW2是VLAN 2/3的备份根,配置少** \[LSW2\]int Vlanif 2 \[LSW2-Vlanif2\]ip address 10.0.2.2 24 \[LSW2-Vlanif2\]vrrp vrid 1 virtual-ip 10.0.2.254 \[LSW2\]int Vlanif 3 \[LSW2-Vlanif3\]ip address 10.0.3.2 24 \[LSW2-Vlanif3\]vrrp vrid 1 virtual-ip 10.0.3.254 **LSW2为VLAN 20/30的主根,所以要配置优先级、延迟时间和上行链路监控** \[LSW2\]int Vlanif 20 \[LSW2-Vlanif20\]ip address 10.0.20.2 24 \[LSW2-Vlanif20\]vrrp vrid 1 virtual-ip 10.0.20.254 \[LSW2-Vlanif20\]vrrp vrid 1 priority 120 \[LSW2-Vlanif20\]vrrp vrid 1 preempt-mode timer delay 20 \[LSW2-Vlanif20\]vrrp vrid 1 track interface GigabitEthernet 0/0/5 reduced 30 \[LSW2\]int Vlanif 30 \[LSW2-Vlanif30\]ip address 10.0.30.2 24 \[LSW2-Vlanif30\]vrrp vrid 1 virtual-ip 10.0.30.254 \[LSW2-Vlanif30\]vrrp vrid 1 priority 120 \[LSW2-Vlanif30\]vrrp vrid 1 preempt-mode timer delay 20 \[LSW2-Vlanif30\]vrrp vrid 1 track interface GigabitEthernet 0/0/5 reduced 30   ### 在LSW2的接口0/0/5上配置三层交换机 \[LSW2\]vlan 12 \[LSW2-vlan12\]int g0/0/5 \[LSW2-GigabitEthernet0/0/5\]port link-type access \[LSW2-GigabitEthernet0/0/5\]port default vlan 12 \[LSW2\]int Vlanif 12 \[LSW2-Vlanif12\]ip address 10.0.0.5 30  ### 配置OSPF 需要宣告VLAN2,3,20,30,LSW1宣告11,LSW2宣告12 \[LSW1\]ospf 1 \[LSW1-ospf-1\]area 0 \[LSW1-ospf-1-area-0.0.0.0\]network 10.0.2.1 0.0.0.0 --VLAN2 \[LSW1-ospf-1-area-0.0.0.0\]network 10.0.3.1 0.0.0.0 --VLAN3 \[LSW1-ospf-1-area-0.0.0.0\]network 10.0.20.1 0.0.0.0 ---VLAN20 \[LSW1-ospf-1-area-0.0.0.0\]network 10.0.30.1 0.0.0.0 --VLAN30 \[LSW1-ospf-1-area-0.0.0.0\]network 10.0.0.1 0.0.0.0 ---VLAN11  **LSW2:**  ### 配置静默接口 \[LSW1\]ospf 1 \[LSW1-ospf-1\]silent-interface Vlanif 2 \[LSW1-ospf-1\]silent-interface Vlanif 3 \[LSW1-ospf-1\]silent-interface Vlanif 20 \[LSW1-ospf-1\]silent-interface Vlanif 30  **LSW2:**  ### 配置LSW1,2和R1的专属VLAN13,并宣告   ### 在ISP上 ##### 配置ISP的接口IP及其环回接口IP   ## 在R1上 ### 配置r1的接口ip \[r1\]int g0/0/1 \[r1-GigabitEthernet0/0/1\]ip address 10.0.0.2 30 \[r1-GigabitEthernet0/0/0\]int g0/0/2 \[r1-GigabitEthernet0/0/2\]ip ad 10.0.0.6 30 \[r1\]int g0/0/0 \[r1-GigabitEthernet0/0/0\]ip ad 202.1.1.1 30  ### 配置r1的ospf \[AR1\]ospf 1 \[AR1-ospf-1\]area 0 \[AR1-ospf-1-area-0.0.0.0\]network 10.0.0.2 0.0.0.0 \[AR1-ospf-1-area-0.0.0.0\]network 10.0.0.6 0.0.0.0  ### 配置缺省路由通到外网ISP \[R1\]ip route-static 0.0.0.0 0 202.1.1.2  ### **还需配置ospf的default-route-advertise** \[R1\]ospf 1 \[R1-ospf-1\]default-route-advertise  ### 配置NAT 与 测试全网连通性 \[R1\]acl 2000 \[R1-acl-basic-2000\]rule permit source 10.0.0.0 0.0.255.255 \[R1\]int g0/0/0 \[R1-GigabitEthernet0/0/0\]nat outbound 2000  配置完成后就可以连接了 