2024年8月28日 11:24:22
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B. 第二阶段/拓扑练习/0828_心跳线.md
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B. 第二阶段/拓扑练习/0828_心跳线.md
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# 心跳线
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### 一、多VLAN环境下的VRRP负载分担
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> 详细配置需求及配置过程见 `0827_多VLAN环境下的VRRP负载分担.md`
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- **SW3**
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```
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[SW3]vlan batch 10 20
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[SW3]int g0/0/1
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[SW3-GigabitEthernet0/0/1]port link-type access
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[SW3-GigabitEthernet0/0/1]port default vlan 10
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[SW3-GigabitEthernet0/0/1]int g0/0/2
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[SW3-GigabitEthernet0/0/2]port link-type access
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[SW3-GigabitEthernet0/0/2]port default vlan 20
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[SW3-GigabitEthernet0/0/2]quit
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[SW3]port-group group-member g0/0/3 g0/0/4
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[SW3-port-group]port link-type trunk
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[SW3-port-group]port trunk allow-pass vlan all
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```
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- **SW1**
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```
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[SW1]vlan 13
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[SW1-vlan13]quit
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[SW1-GigabitEthernet0/0/2]port link-type trunk
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[SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all
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[SW1-GigabitEthernet0/0/2]int g0/0/1
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[SW1-GigabitEthernet0/0/1]port link-type access
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[SW1-GigabitEthernet0/0/1]port default vlan 13
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[SW1-GigabitEthernet0/0/1]quit
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[SW1]int vlan 13
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[SW1-Vlanif13]ip add 192.168.13.1 24
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[SW1-Vlanif13]quit
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[SW1]vlan batch 10 20
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[SW1]int vlan 10
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[SW1-Vlanif10]ip add 192.168.10.251 24
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[SW1-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
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[SW1-Vlanif10]vrrp vrid 10 priority 130
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[SW1-Vlanif10]vrrp vrid 10 track int g0/0/1 reduced 50
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[SW1-Vlanif10]int vlan 20
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[SW1-Vlanif20]ip add 192.168.20.251 24
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[SW1-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
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[SW1-Vlanif20]quit
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[SW1]ip route-static 192.168.2.0 24 192.168.13.3
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```
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- **SW2**
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```
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[SW2]vlan 23
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[SW2-vlan23]quit
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[SW2]int g0/0/2
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[SW2-GigabitEthernet0/0/2]port link-type trunk
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[SW2-GigabitEthernet0/0/2]port trunk allow-pass vlan all
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[SW2-GigabitEthernet0/0/2]int g0/0/1
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[SW2-GigabitEthernet0/0/1]port link-type access
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[SW2-GigabitEthernet0/0/1]port default vlan 23
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[SW2-GigabitEthernet0/0/1]quit
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[SW2]int vlan 23
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[SW2-Vlanif13]ip add 192.168.23.1 24
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[SW2-Vlanif13]quit
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[SW2]vlan batch 10 20
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[SW2]int vlan 10
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[SW2-Vlanif10]ip add 192.168.10.252 24
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[SW2-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
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[SW2-Vlanif10]int vlan 20
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[SW2-Vlanif20]ip add 192.168.20.252 24
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[SW2-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
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[SW2-Vlanif20]vrrp vrid 20 priority 130
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[SW2-Vlanif20]vrrp vrid 20 track int g0/0/1 reduced 50
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[SW2-Vlanif20]quit
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[SW2]ip route-static 192.168.2.0 24 192.168.23.3
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```
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- **AR1**
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```
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[AR1]int g0/0/0
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[AR1-GigabitEthernet0/0/0]ip add 192.168.13.3 24
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[AR1-GigabitEthernet0/0/0]int g0/0/1
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[AR1-GigabitEthernet0/0/1]ip add 192.168.23.3 24
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[AR1-GigabitEthernet0/0/1]int g0/0/2
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[AR1-GigabitEthernet0/0/2]ip add 192.168.2.254 24
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[AR1-GigabitEthernet0/0/2]quit
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[AR1]ip route-static 192.168.10.0 24 192.168.13.1
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[AR1]ip route-static 192.168.10.0 24 192.168.23.1 preference 100
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[AR1]ip route-static 192.168.20.0 24 192.168.13.1 preference 100
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[AR1]ip route-static 192.168.20.0 24 192.168.23.1
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```
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### 二、配置MSTP
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- **SW1**
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```
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[SW1]int g0/0/24
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[SW1-GigabitEthernet0/0/24]port link-type trunk
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[SW1-GigabitEthernet0/0/24]port trunk allow-pass vlan all
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[SW1-GigabitEthernet0/0/24]quit
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[SW1]stp region-configuration
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[SW1-mst-region]region-name ntd2407
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[SW1-mst-region]instance 10 vlan 10
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[SW1-mst-region]instance 20 vlan 20
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[SW1-mst-region]active region-configuration
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[SW1-mst-region]quit
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[SW1]stp instance 10 priority 4096
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[SW1]stp instance 20 priority 8192
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```
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- **SW2**
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```
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[SW2]int g0/0/24
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[SW2-GigabitEthernet0/0/24]port link-type trunk
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[SW2-GigabitEthernet0/0/24]port trunk allow-pass vlan all
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[SW2-GigabitEthernet0/0/24]quit
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[SW2]stp region-configuration
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[SW2-mst-region]region-name ntd2407
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[SW2-mst-region]instance 10 vlan 10
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[SW2-mst-region]instance 20 vlan 20
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[SW2-mst-region]active region-configuration
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[SW2-mst-region]quit
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[SW2]stp instance 10 priority 8192
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[SW2]stp instance 20 priority 4096
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```
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- **SW3**
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```
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[SW3]stp region-configuration
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[SW3-mst-region]region-name ntd2407
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[SW3-mst-region]instance 10 vlan 10
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[SW3-mst-region]instance 20 vlan 20
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[SW3-mst-region]active region-configuration
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```
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### 三、连通性测试
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- **PC1**
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- PING
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```
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PC>ping 192.168.2.1
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Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
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Request timeout!
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From 192.168.2.1: bytes=32 seq=2 ttl=253 time=110 ms
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From 192.168.2.1: bytes=32 seq=3 ttl=253 time=47 ms
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From 192.168.2.1: bytes=32 seq=4 ttl=253 time=62 ms
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From 192.168.2.1: bytes=32 seq=5 ttl=253 time=63 ms
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--- 192.168.2.1 ping statistics ---
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5 packet(s) transmitted
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4 packet(s) received
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20.00% packet loss
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round-trip min/avg/max = 0/70/110 ms
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```
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- Tracert
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```
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PC>tracert 192.168.2.1
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traceroute to 192.168.2.1, 8 hops max
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(ICMP), press Ctrl+C to stop
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1 192.168.10.251 46 ms 47 ms 32 ms
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2 192.168.13.3 93 ms 63 ms 78 ms
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3 192.168.2.1 62 ms 63 ms 62 ms
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```
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- **PC2**
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- PING
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```
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PC>ping 192.168.2.1
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Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
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From 192.168.2.1: bytes=32 seq=1 ttl=253 time=172 ms
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From 192.168.2.1: bytes=32 seq=2 ttl=253 time=63 ms
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From 192.168.2.1: bytes=32 seq=3 ttl=253 time=78 ms
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From 192.168.2.1: bytes=32 seq=4 ttl=253 time=47 ms
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From 192.168.2.1: bytes=32 seq=5 ttl=253 time=62 ms
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--- 192.168.2.1 ping statistics ---
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5 packet(s) transmitted
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5 packet(s) received
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0.00% packet loss
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round-trip min/avg/max = 47/84/172 ms
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```
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- Tracert
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```
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PC>tracert 192.168.2.1
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traceroute to 192.168.2.1, 8 hops max
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(ICMP), press Ctrl+C to stop
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1 192.168.20.252 31 ms 47 ms 47 ms
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2 192.168.23.3 62 ms 94 ms 62 ms
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3 192.168.2.1 63 ms 62 ms 79 ms
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```
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### 四、功能性测试
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- **左侧下行线断连**
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- PC1
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- PING
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```
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PC>ping 192.168.2.1
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Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
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From 192.168.2.1: bytes=32 seq=1 ttl=253 time=78 ms
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From 192.168.2.1: bytes=32 seq=2 ttl=253 time=79 ms
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From 192.168.2.1: bytes=32 seq=3 ttl=253 time=63 ms
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From 192.168.2.1: bytes=32 seq=4 ttl=253 time=78 ms
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From 192.168.2.1: bytes=32 seq=5 ttl=253 time=63 ms
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--- 192.168.2.1 ping statistics ---
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5 packet(s) transmitted
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5 packet(s) received
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0.00% packet loss
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round-trip min/avg/max = 63/72/79 ms
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```
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- Tracert
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```
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PC>tracert 192.168.2.1
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traceroute to 192.168.2.1, 8 hops max
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(ICMP), press Ctrl+C to stop
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1 192.168.10.251 62 ms 63 ms 62 ms
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2 192.168.13.3 78 ms 78 ms 78 ms
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3 192.168.2.1 94 ms 94 ms 62 ms
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```
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- **右侧下行线断连**
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- PC2
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- PING
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```
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PC>ping 192.168.2.1
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Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
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From 192.168.2.1: bytes=32 seq=1 ttl=253 time=187 ms
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From 192.168.2.1: bytes=32 seq=2 ttl=253 time=94 ms
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From 192.168.2.1: bytes=32 seq=3 ttl=253 time=78 ms
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From 192.168.2.1: bytes=32 seq=4 ttl=253 time=63 ms
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From 192.168.2.1: bytes=32 seq=5 ttl=253 time=78 ms
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--- 192.168.2.1 ping statistics ---
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5 packet(s) transmitted
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5 packet(s) received
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0.00% packet loss
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round-trip min/avg/max = 63/100/187 ms
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```
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- Tracert
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```
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PC>tracert 192.168.2.1
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traceroute to 192.168.2.1, 8 hops max
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(ICMP), press Ctrl+C to stop
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1 192.168.20.252 62 ms 63 ms 62 ms
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2 192.168.23.3 94 ms 109 ms 94 ms
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3 192.168.2.1 78 ms 110 ms 78 ms
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```
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