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Router> enable
Router# configure terminal
Router(config)# hostname RouterName
Router(config)# enable secret PasswordRouter(config)# enable password Password
Router(config)# no ip domain lookup
Router(config)# line vty 0 4Router(config-line)# password PasswordRouter(config-line)# login
Router(config)# line console 0Router(config-line)# password PasswordRouter(config-line)# login
Router(config-if)# ip address 192.168.1.1 255.255.255.0
Router(config-if)# no shutdown
Router(config-if)# ip address 172.16.1.1 255.255.255.0
Router(config)# ip route 192.168.2.0 255.255.255.0 s0
Router(config)# router ripRouter(config-router)# network 192.168.1.0Router(config-router)# version 2Router(config-router)# noauto-summary
Router(config)# router eigrp 123Router(config-router)# network 192.168.1.0Router(config-router)# variance 1
Router(config)# router ospf 123Router(config-router)# network 192.168.1.0 0.0.0.0 area 0
Router# write
Router# copy running-config startup-config
Router# show ip route
Router# show ip protocolRouter# show running-config
Router# show ip int briefRouter# show interfaces
Router# show versionRouter# show processes
Switch(config)# vlan databaseSwitch(vlan)# vlan 10 name VLAN10Switch(vlan)# exit
Switch(config)# interface range fastethernet 0/1-24Switch(config-if-range)# switchport mode accessSwitch(config-if-range)# switchport access vlan 10
Switch(config-if)# switchport mode trunkSwitch(config-if)# switchport trunk encapsulation dot1q
Switch# show vlan brief
Switch(config-if)# ip address 192.168.1.1 255.255.255.0
Switch(config)# vtp domain DomainName
Switch(config)# vtp password Password
Switch(config)# vtp mode server/client
Switch(config)# spanning-tree vlan 10
Switch(config-if)# spanning-tree vlan 10 priority 4096
Switch(config-if)# spanning-tree vlan 10 cost 10
Switch# reload
Switch: flash_initSwitch: rename flash:config.text flash:config.oldSwitch: boot
Switch(config)# enable secret NewPassword
Switch(config)# crypto key generate rsa modulus 1024Switch(config)# ssh 0 0 inside
Switch(config)# line vty 0 4Switch(config-line)# password PasswordSwitch(config-line)# loginSwitch(config-line)# transport input ssh
Switch(config)# standby 1 ip 192.168.1.254Switch(config)# standby 1 priority 200Switch(config)# standby 1 track GigabitEthernet0/1 decrement 10
Switch(config)# ip access-list 1 permit 192.168.1.0 0.0.0.255
Switch(config-if)# ip access-group 1 in/out
Switch(config)# ip nat inside source static 192.168.1.100 200.0.0.1
Switch(config)# ip nat inside source dynamic
Router(config)# ip default-gateway 192.168.1.254
Router# nat controlRouter(config)# ip nat inside source static 192.168.1.100 200.0.0.1
Ctrl + Break
Router# confreg 0x2142Router# reset
Switch(config)# access-list 1 permit 192.168.2.5Switch(config)# line vty 0 4Switch(config-line)# access-class 1 in
Switch(config)# snmp-server community public roSwitch(config)# snmp-server community private rw
Switch(config)# snmp-server enable traps
Switch(config)# int vlan 20Switch(config-if)# ip address 172.29.197.33 255.255.255.248Switch(config-if)# standby 20 ip 172.29.197.53Switch(config-if)# standby 20 priority 105Switch(config-if)# standby 20 track GigabitEthernet0/25 decrement 10
Switch(config)# monitor session 1 source interface GigabitEthernet0/2 - 5 rx
Switch(config)# monitor session 1 destination interface GigabitEthernet0/6
Switch# show moduleSwitch# show diagbus
Switch# show environment temperatureSwitch# show environment fans
Router# show loggingRouter# clear log
Switch(vlan)# vlan 20 name VLAN20Switch(vlan)# exit
Switch(config)# interface fastethernet 0/1Switch(config-if)# switchport mode accessSwitch(config-if)# switchport access vlan 20
Switch(config)# spanning-tree vlan 10
Switch(config-if)# spanning-tree vlan 10 priority 4096
Switch(config-if)# spanning-tree vlan 10 cost 10
Switch(config)# int range fastethernet 0/1 - 24Switch(config-if-range)# switchport aggregate-group 1
Switch(config)# clock timezone Asia/Shanghai
Switch(config)# clock set 12:00:00 12 October 2023
Switch# firewall
Switch(config)# security-level 50
Switch(config-if)# ip address 192.168.1.1 255.255.255.0
Switch(config)# ip default-gateway 192.168.1.254
Switch(config-if)# description Port1连接到设备A
Switch(config-if)# no shutdown
Switch(config-if)# switchport trunk encapsulation dot1q
Switch(config-if)# switchport trunk allow vlan 1,2,3
Switch(config)# standby 1 ip 192.168.1.254Switch(config)# standby 1 priority 105
Switch(config-line)# logging synchronous
Switch# show int fastethernet 0/1
Switch# show vlan brief
Switch# show ip route
Switch(config)# ip access-list 1 permit 192.168.1.0 0.0.0.255
Switch(config-if)# ip access-group 1 in/out
Switch(config)# ip access-list extended 1 permit ip 192.168.1.0 0.0.0.255 host 192.168.1.100 eq 80
Switch(config)# ip nat inside source static 192.168.1.100 200.0.0.1
Switch(config)# ip nat inside source dynamic
Switch# show sessions
Switch# show module
Switch# show environment temperature
Switch(config)# access-list 1 permit 192.168.2.5Switch(config)# line vty 0 4Switch(config-line)# access-class 1 in
Switch(config)# snmp-server community public roSwitch(config)# snmp-server community private rw
Switch(config)# snmp-server enable traps
Switch(config)# spanning-tree bpduprotect
Switch(config)# spanning-tree rootguard
Switch(config)# ip default-gateway 192.168.1.254
Switch(config)# ip routing
Switch# show vlan-switchport
Switch(config-if)# duplex full
Switch(config-if)# speed 1000
Switch# show standby
Switch# show standby brief
Switch(config-if)# port-security 0 100 max-security 100
Switch(config)# ip access-list extended 1 permit ip 192.168.1.0 0.0.0.255 host 192.168.1.100 eq 80
Switch(config-if)# switchport access vlan 10
Switch(config-if)# switchport trunk allow vlan {1,2,3} Switch(config-if)# switchport trunk encapsulation dot1q
Switch(config-if-range)# switchport access vlan 10
Switch(vlan)# vlan 20 name VLAN20Switch(vlan)# exit
Switch# show module
Switch# module 1 reload
Switch# show environment
Switch# show environment temperatureSwitch# show environment fans
Switch# show logging
Switch# clear log
Switch# show sessions
Switch# session 1 close
Switch(config-line)# exec-timeout 0 0
Switch(config)# enable secret cisco
Switch# show netstat
Switch# show int brief
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