2023湖北第一届技能大赛国赛精选
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SW1
VRRP的监测外网口状态当出故障时则主动降低虚拟网关优先级
track 1 interface G0/0 line-protocol
int vlan 10
vrrp 10 track 1 decrement 60
int vlan 20
vrrp 20 track 1 decrement 60
int vlan 30
vrrp 30 track 1 decrement 60
int vlan 40
vrrp 40 track 1 decrement 60
多生成树
spanning-tree mode mst
spanning-tree mst configuration
name js
revision 1
instance 1 vlan 10,20
instance 2 vlan 30,40
exit 退出才生效
跟网桥
spanning-tree mst 1 prioity 4096
spanning-tree mst 2 prioity 8192
快速生成树
spanning-tree mode rapid-pvst
spanning-tree vlan 10,20 priority 24576
spanning-tree vlan 30,40 priority 28672
聚合组
interface Port-channel1
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/1
switchport trunk allowed vlan 10,20 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/2
switchport trunk allowed vlan 30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/3
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active 加入聚合组
interface FastEthernet0/4
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active 加入聚合组
interface FastEthernet0/5
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active 加入聚合组
interface FastEthernet0/6
no switchport
ip address 100.1.1.1 255.255.255.0
interface Vlan10
ip address 192.168.10.252 255.255.255.0
ip helper-address 100.1.1.3 :中继
standby 10 ip 192.168.10.254 虚拟网关
standby 10 priority 120 优先级
interface Vlan20
ip address 192.168.20.252 255.255.255.0
ip helper-address 100.1.1.3 :中继
standby 20 ip 192.168.20.254 虚拟网关
standby 20 priority 120 优先级
interface Vlan30
ip address 192.168.30.252 255.255.255.0
ip helper-address 100.1.1.3 :中继
standby 30 ip 192.168.30.254虚拟网关
standby 30 priority 0 优先级
interface Vlan40
ip address 192.168.40.252 255.255.255.0
ip helper-address 100.1.1.3 :中继
standby 40 ip 192.168.40.254 虚拟网关
standby 40 priority 0 优先级
OSPF
router ospf 1
router-id 1.1.1.1
network 192.168.10.0 0.0.0.255 area 0
network 192.168.20.0 0.0.0.255 area 0
network 192.168.30.0 0.0.0.255 area 0
network 192.168.40.0 0.0.0.255 area 0
network 100.1.1.0 0.0.0.255 area 0
sw2
VRRP的监测外网口状态当出故障时则主动降低虚拟网关优先级
track 1 interface G0/0 line-protocol
int vlan 10
vrrp 10 track 1 decrement 60
int vlan 20
vrrp 20 track 1 decrement 60
int vlan 30
vrrp 30 track 1 decrement 60
int vlan 40
vrrp 40 track 1 decrement 60
多生成树
spanning-tree mode mst
spanning-tree mst configuration
name js
revision 1
instance 1 vlan 10,20
instance 2 vlan 30,40
exit 退出才生效
跟网桥
spanning-tree mst 1 prioity 8192
spanning-tree mst 2 prioity 4096
快速生成树
spanning-tree mode rapid-pvst
spanning-tree vlan 30,40 priority 24576
spanning-tree vlan 10,20 priority 28672
聚合组
interface Port-channel1
switchport trunk allowed vlan 10,20,30,40 只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/1
switchport trunk allowed vlan 30,40 只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/2
switchport trunk allowed vlan 10,20 只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet0/3
switchport trunk allowed vlan 10,20,30,40 只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode passive 加入聚合组
interface FastEthernet0/4
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode passive 加入聚合组
interface FastEthernet0/5
switchport trunk allowed vlan 10,20,30,40 :只允许这些vlan通过
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode passive 加入聚合组
interface FastEthernet0/6
no switchport
ip address 200.1.1.1 255.255.255.0
interface Vlan10
ip address 192.168.10.253 255.255.255.0
ip helper-address 200.1.1.3 :中继
standby 10 ip 192.168.10.254 虚拟网关
standby 10 priority 0 优先级
interface Vlan20
ip address 192.168.20.253 255.255.255.0
ip helper-address 200.1.1.3 :中继
standby 20 ip 192.168.20.254 虚拟网关
standby 20 priority 0 优先级
interface Vlan30
ip address 192.168.30.253 255.255.255.0
ip helper-address 200.1.1.3 :中继
standby 30 ip 192.168.30.254 虚拟网关
standby 30 priority 120 优先级
interface Vlan40
ip address 192.168.40.253 255.255.255.0
ip helper-address 200.1.1.3 :中继
standby 40 ip 192.168.40.254 虚拟网关
standby 40 priority 120 优先级
OSPF
router ospf 1
router-id 2.2.2.2
network 192.168.10.0 0.0.0.255 area 0
network 192.168.20.0 0.0.0.255 area 0
network 192.168.30.0 0.0.0.255 area 0
network 200.1.1.0 0.0.0.255 area 0
network 192.168.40.0 0.0.0.255 area 0
sw3
多生成树
spanning-tree mode mst
spanning-tree mst configuration
name js
revision 1
instance 1 vlan 10,20
instance 2 vlan 30,40
exit 退出才生效
边缘端口
spanning-tree portfast
快速生成树
spanning-tree mode rapid-pvst
interface FastEthernet0/1
switchport access vlan 10
switchport mode access
spanning-tree portfast
interface FastEthernet0/2
switchport access vlan 20
switchport mode access
spanning-tree portfast
interface FastEthernet0/3
switchport mode trunk
interface FastEthernet0/4
switchport mode trunk
sw4
多生成树
spanning-tree mode mst
spanning-tree mst configuration
name js
revision 1
instance 1 vlan 10,20
instance 2 vlan 30,40
exit 退出才生效
边缘端口
spanning-tree portfast
快速生成树
spanning-tree mode rapid-pvst
interface FastEthernet0/1
switchport access vlan 30
switchport mode access
spanning-tree portfast
interface FastEthernet0/2
switchport access vlan 40
switchport mode access
spanning-tree portfast
interface FastEthernet0/3
switchport mode trunk
interface FastEthernet0/4
switchport mode trunk
AR3
排除地址:
ip dhcp excluded-address 192.168.10.252 192.168.10.254
ip dhcp excluded-address 192.168.20.252 192.168.20.254
ip dhcp excluded-address 192.168.30.252 192.168.30.254
ip dhcp excluded-address 192.168.40.252 192.168.40.254
DHCP
ip dhcp pool vlan10
network 192.168.10.0 255.255.255.0
default-router 192.168.10.254
dns-server 8.8.8.8
ip dhcp pool vlan20
network 192.168.20.0 255.255.255.0
default-router 192.168.20.254
dns-server 8.8.8.8
ip dhcp pool vlan30
network 192.168.30.0 255.255.255.0
default-router 192.168.30.254
dns-server 8.8.8.8
ip dhcp pool vlan40
network 192.168.40.0 255.255.255.0
default-router 192.168.40.254
dns-server 8.8.8.8
IPSEC
定义专门用于IPSEC的控制列表VPN_ACL:
ip access-list extended VPN_ACL
permit ip 172.168.0.0 0.0.255.255 192.168.0.0 0.0.255.25
定义加密协商策略10:
crypto isakmp policy 10
encr aes
hash md5
authentication pre-share
group 5
设置对端预共享密钥及对端IP地址
crypto isakmp key 123456 address 14.1.1.4
定义变换集:
crypto ipsec transform-set ToZongBu esp-aes esp-sha-hmac
mode tunnel
创建加密图VPNtoZB:
crypto map VPNtoZB 10 ipsec-isakmp 引用加密协商策略10
set peer 14.1.1.4 设置对端——对方网关路由器的出接口地址
set transform-set ToZongBu 引用变换集VPNtoZB
match address VPN_ACL 使用控制列表VPN_ACL
将加密图VPNtoZB应用于出接口:
interface g0/2
ip address 13.1.1.3 255.255.255.0
ip nat outside
ip virtual-reassembly in
crypto map VPNtoZB
interface GigabitEthernet0/0
ip address 100.1.1.3 255.255.255.0
ip nat inside
interface GigabitEthernet0/1
ip address 200.1.1.3 255.255.255.0
ip nat inside
interface GigabitEthernet0/2
ip address 13.1.1.3 255.255.255.0
ip nat outside
ip virtual-reassembly in
crypto map VPNtoZB
OSPF
router ospf 1
router-id 3.3.3.3
log-adjacency-changes
network 100.1.1.0 0.0.0.255 area 0
network 200.1.1.0 0.0.0.255 area 0
default-information originate 把默认路由引进ospf里
默认路由
ip route 0.0.0.0 0.0.0.0 13.1.1.1
NAT
访问控制列表
access-list 1 permit 192.168.10.0 0.0.0.255
access-list 1 permit 192.168.20.0 0.0.0.255
access-list 1 permit 192.168.30.0 0.0.0.255
access-list 1 permit 192.168.40.0 0.0.0.255
access-list 100 deny ip 192.168.10.0 0.0.0.255 172.168.10.0 0.0.0.255
access-list 100 permit ip 192.168.10.0 0.0.0.255 any
ip nat inside source list 100 interface GigabitEthernet0/2 出口地址
AR4
IPSEC
定义专门用于IPSEC的控制列表VPN_ACL:
ip access-list extended VPN_ACL
permit ip 172.168.0.0 0.0.255.255 192.168.0.0 0.0.255.255
定义加密协商策略10:
crypto isakmp policy 10
encr aes
hash md5
authentication pre-share
group 5
设置对端预共享密钥及对端IP地址
crypto isakmp key 123456 address 13.1.1.3
定义变换集:
crypto ipsec transform-set ToZongBu esp-aes esp-sha-hmac
mode tunnel
创建加密图VPNtoZB:
crypto map VPNtoZB 10 ipsec-isakmp 引用加密协商策略10
set peer 13.1.1.3 设置对端——对方网关路由器的出接口地址
set transform-set ToZongBu 引用变换集VPNtoZB
match address VPN_ACL 使用控制列表VPN_ACL
将加密图VPNtoZB应用于出接口:
interface g0/0
ip address 14.1.1.4 255.255.255.0
ip nat outside
ip virtual-reassembly in
crypto map VPNtoZB
interface GigabitEthernet0/0/0
ip address 14.1.1.4 255.255.255.0
ip nat outside
ip virtual-reassembly in
crypto map VPNtoZB
interface GigabitEthernet0/0/1
ip address 172.168.10.254 255.255.255.0
ip nat inside
interface GigabitEthernet0/0/1.20 :子接口
encapsulation dot1Q 20
ip address 172.168.20.1 255.255.255.0
默认
ip route 0.0.0.0 0.0.0.0 14.1.1.1
访问控制列表
access-list 1 permit 172.168.10.0 0.0.0.255
access-list 100 deny ip 172.168.10.0 0.0.0.255 192.168.10.0 0.0.0.255
access-list 100 permit ip 172.168.10.0 0.0.0.255 any
ip nat inside source list 100 interface GigabitEthernet0/0/0 出口地址
ISP-1
interface GigabitEthernet0/0
ip address 12.1.1.1 255.255.255.0
interface GigabitEthernet0/1
ip address 14.1.1.1 255.255.255.0
interface GigabitEthernet0/1
ip address 14.1.1.1 255.255.255.0
ISP-2
interface GigabitEthernet0/0/0
ip address 12.1.1.2 255.255.255.0
interface GigabitEthernet0/0/1
ip address 23.1.1.2 255.255.255.0
ISP-3
interface GigabitEthernet0/0/0
ip address 23.1.1.3 255.255.255.0
JSB
interface GigabitEthernet0/0
ip address dhcp
AQB
interface GigabitEthernet0/0
ip address dhcp
XSB
interface GigabitEthernet0/0
ip address dhcp
CWB
interface GigabitEthernet0/0
ip address dhcp