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Cyber_Security_Notes/B. 第二阶段/拓扑练习/0828_心跳线.md
Noriu e9c4baa590 2024年8月28日 11:24:22
2024-08-28 11:24:25 +08:00

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心跳线

image-20240828090302765

一、多VLAN环境下的VRRP负载分担

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

  • SW3

    [SW3]vlan batch 10 20
[SW3]int g0/0/1
[SW3-GigabitEthernet0/0/1]port link-type access
[SW3-GigabitEthernet0/0/1]port default vlan 10
[SW3-GigabitEthernet0/0/1]int g0/0/2
[SW3-GigabitEthernet0/0/2]port link-type access 
[SW3-GigabitEthernet0/0/2]port default vlan 20
[SW3-GigabitEthernet0/0/2]quit
[SW3]port-group group-member g0/0/3 g0/0/4
[SW3-port-group]port link-type trunk 
[SW3-port-group]port trunk allow-pass vlan all

  • SW1

    [SW1]vlan 13
[SW1-vlan13]quit
[SW1-GigabitEthernet0/0/2]port link-type trunk 
[SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[SW1-GigabitEthernet0/0/2]int g0/0/1
[SW1-GigabitEthernet0/0/1]port link-type access 
[SW1-GigabitEthernet0/0/1]port default vlan 13
[SW1-GigabitEthernet0/0/1]quit
[SW1]int vlan 13
[SW1-Vlanif13]ip add 192.168.13.1 24
[SW1-Vlanif13]quit
[SW1]vlan batch 10 20
[SW1]int vlan 10
[SW1-Vlanif10]ip add 192.168.10.251 24
[SW1-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
[SW1-Vlanif10]vrrp vrid 10 priority 130
[SW1-Vlanif10]vrrp vrid 10 track int g0/0/1 reduced 50
[SW1-Vlanif10]int vlan 20
[SW1-Vlanif20]ip add 192.168.20.251 24
[SW1-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
[SW1-Vlanif20]quit
[SW1]ip route-static 192.168.2.0 24 192.168.13.3

  • SW2

    [SW2]vlan 23
[SW2-vlan23]quit
[SW2]int g0/0/2
[SW2-GigabitEthernet0/0/2]port link-type trunk 
[SW2-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[SW2-GigabitEthernet0/0/2]int g0/0/1
[SW2-GigabitEthernet0/0/1]port link-type access 
[SW2-GigabitEthernet0/0/1]port default vlan 23
[SW2-GigabitEthernet0/0/1]quit
[SW2]int vlan 23
[SW2-Vlanif13]ip add 192.168.23.1 24
[SW2-Vlanif13]quit
[SW2]vlan batch 10 20
[SW2]int vlan 10
[SW2-Vlanif10]ip add 192.168.10.252 24	
[SW2-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
[SW2-Vlanif10]int vlan 20
[SW2-Vlanif20]ip add 192.168.20.252 24
[SW2-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
[SW2-Vlanif20]vrrp vrid 20 priority 130
[SW2-Vlanif20]vrrp vrid 20 track int g0/0/1 reduced 50
[SW2-Vlanif20]quit
[SW2]ip route-static 192.168.2.0 24 192.168.23.3

  • AR1

    [AR1]int g0/0/0
[AR1-GigabitEthernet0/0/0]ip add 192.168.13.3 24
[AR1-GigabitEthernet0/0/0]int g0/0/1
[AR1-GigabitEthernet0/0/1]ip add 192.168.23.3 24
[AR1-GigabitEthernet0/0/1]int g0/0/2
[AR1-GigabitEthernet0/0/2]ip add 192.168.2.254 24
[AR1-GigabitEthernet0/0/2]quit
[AR1]ip route-static 192.168.10.0 24 192.168.13.1
[AR1]ip route-static 192.168.10.0 24 192.168.23.1 preference 100
[AR1]ip route-static 192.168.20.0 24 192.168.13.1 preference 100
[AR1]ip route-static 192.168.20.0 24 192.168.23.1

二、配置MSTP

  • SW1

    [SW1]int g0/0/24
[SW1-GigabitEthernet0/0/24]port link-type trunk
[SW1-GigabitEthernet0/0/24]port trunk allow-pass vlan all
[SW1-GigabitEthernet0/0/24]quit
[SW1]stp region-configuration
[SW1-mst-region]region-name ntd2407
[SW1-mst-region]instance 10 vlan 10
[SW1-mst-region]instance 20 vlan 20
[SW1-mst-region]active region-configuration
[SW1-mst-region]quit
[SW1]stp instance 10 priority 4096
[SW1]stp instance 20 priority 8192

  • SW2

    [SW2]int g0/0/24
[SW2-GigabitEthernet0/0/24]port link-type trunk
[SW2-GigabitEthernet0/0/24]port trunk allow-pass vlan all
[SW2-GigabitEthernet0/0/24]quit
[SW2]stp region-configuration
[SW2-mst-region]region-name ntd2407
[SW2-mst-region]instance 10 vlan 10
[SW2-mst-region]instance 20 vlan 20
[SW2-mst-region]active region-configuration
[SW2-mst-region]quit
[SW2]stp instance 10 priority 8192
[SW2]stp instance 20 priority 4096

  • SW3

    [SW3]stp region-configuration
[SW3-mst-region]region-name ntd2407
[SW3-mst-region]instance 10 vlan 10
[SW3-mst-region]instance 20 vlan 20
[SW3-mst-region]active region-configuration

三、连通性测试

  • PC1

    • PING

      PC>ping 192.168.2.1

Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
Request timeout!
From 192.168.2.1: bytes=32 seq=2 ttl=253 time=110 ms
From 192.168.2.1: bytes=32 seq=3 ttl=253 time=47 ms
From 192.168.2.1: bytes=32 seq=4 ttl=253 time=62 ms
From 192.168.2.1: bytes=32 seq=5 ttl=253 time=63 ms

--- 192.168.2.1 ping statistics ---
  5 packet(s) transmitted
  4 packet(s) received
  20.00% packet loss
  round-trip min/avg/max = 0/70/110 ms

    • Tracert

      PC>tracert 192.168.2.1

traceroute to 192.168.2.1, 8 hops max
(ICMP), press Ctrl+C to stop
 1  192.168.10.251   46 ms  47 ms  32 ms
 2  192.168.13.3   93 ms  63 ms  78 ms
 3  192.168.2.1   62 ms  63 ms  62 ms

  • PC2

    • PING

      PC>ping 192.168.2.1

Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
From 192.168.2.1: bytes=32 seq=1 ttl=253 time=172 ms
From 192.168.2.1: bytes=32 seq=2 ttl=253 time=63 ms
From 192.168.2.1: bytes=32 seq=3 ttl=253 time=78 ms
From 192.168.2.1: bytes=32 seq=4 ttl=253 time=47 ms
From 192.168.2.1: bytes=32 seq=5 ttl=253 time=62 ms

--- 192.168.2.1 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 47/84/172 ms

    • Tracert

      PC>tracert 192.168.2.1

traceroute to 192.168.2.1, 8 hops max
(ICMP), press Ctrl+C to stop
 1  192.168.20.252   31 ms  47 ms  47 ms
 2  192.168.23.3   62 ms  94 ms  62 ms
 3  192.168.2.1   63 ms  62 ms  79 ms

四、功能性测试

  • 左侧下行线断连

    image-20240828105607645

    • PC1

      • PING

        PC>ping 192.168.2.1

Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
From 192.168.2.1: bytes=32 seq=1 ttl=253 time=78 ms
From 192.168.2.1: bytes=32 seq=2 ttl=253 time=79 ms
From 192.168.2.1: bytes=32 seq=3 ttl=253 time=63 ms
From 192.168.2.1: bytes=32 seq=4 ttl=253 time=78 ms
From 192.168.2.1: bytes=32 seq=5 ttl=253 time=63 ms

--- 192.168.2.1 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 63/72/79 ms

      • Tracert

        PC>tracert 192.168.2.1

traceroute to 192.168.2.1, 8 hops max
(ICMP), press Ctrl+C to stop
 1  192.168.10.251   62 ms  63 ms  62 ms
 2  192.168.13.3   78 ms  78 ms  78 ms
 3  192.168.2.1   94 ms  94 ms  62 ms

  • 右侧下行线断连

    image-20240828112046583

    • PC2

      • PING

        PC>ping 192.168.2.1

Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
From 192.168.2.1: bytes=32 seq=1 ttl=253 time=187 ms
From 192.168.2.1: bytes=32 seq=2 ttl=253 time=94 ms
From 192.168.2.1: bytes=32 seq=3 ttl=253 time=78 ms
From 192.168.2.1: bytes=32 seq=4 ttl=253 time=63 ms
From 192.168.2.1: bytes=32 seq=5 ttl=253 time=78 ms

--- 192.168.2.1 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 63/100/187 ms

      • Tracert

        PC>tracert 192.168.2.1

traceroute to 192.168.2.1, 8 hops max
(ICMP), press Ctrl+C to stop
 1  192.168.20.252   62 ms  63 ms  62 ms
 2  192.168.23.3   94 ms  109 ms  94 ms
 3  192.168.2.1   78 ms  110 ms  78 ms