Issue seventh Cisco "Cisco" command

First of all, let's introduce Cisco's Basic command, "operation and Maintenance will be."
Root
Taren1 others 1

IP #.#.#.# 32-bit binary subnet mask network bit host bit
A 1----126 255.0.0.0 NET Master Master/8
B---191 255.255.0.0 net master/16
C 192---223 255.255.255.0 net master/24
D 224---239 multicast
E----254 research

Eight-bit binary number-----------> Decimal
00000000------------------0
11111111-----------------255
Decimal binary binary

Network segment IP range broadcast IP broadcast
1.0.0.0 1.0.0.1------1.255.255.254 1.255.255.255
2.0.0.0 2.0.0.1
126.0.0.0
128.0.0.0
128.1.0.0

127.0.0.1
Private network IP
A 10.#.#.#--------10.#.#.#
B 172.16.#.#----------172.31.#.#
C 192.168.#.#------192.168.#.#

Cmd
Ipconfig
Ping Destination IP

VLAN Virtual LAN Grouping
switch> Normal Mode
Switch>enable
switch# Global Mode
Switch#configure Terminal
Switch (config) # configure terminal mode

Switch (config) #vlan 2 create VLAN 2 group
Switch (Config-vlan) #exit exit
Switch (config) #vlan 3 create VLAN 3 group
Switch (Config-vlan) #exit exit

Switch (config) #interface fastethernet 0/3 into Fast Ethernet interface 0/3
Switch (config-if) #switchport Access VLAN 2 Switch interface Access VLAN 2 group
Switch (config) #interface fastethernet 0/4
Switch (config-if) #switchport Access VLAN 2

Switch (config) #interface fastethernet 0/5
Switch (config-if) #switchport Access VLAN 3
Switch (config) #interface fastethernet 0/6
Switch (config-if) #switchport Access VLAN 2

Switch#show VLAN
Switch (config) #interface range fastethernet 0/7-8 continuously into the Fast Ethernet port 0/7-8
Switch (config-if) #switchport Access VLAN 4

====================================================
Trunk Open Marking function
Switch (config) #interface fastethernet 0/9
Switch (config-if) #switchport mode trunk switch port marking function Ethernet Channel Bundle
Switch (config) #interface range fastethernet 0/7-9
Switch (config-if-range) #switchport mode trunk
Switch (config-if-range) #channel-group one mode on Ethernet channel Group 11
Speed Up Bandwidth backup line

Router>
Router>enable
Router#configure Terminal
Router (config) #interface fastethernet 0/0
Router (config-if) #ip address 192.168.1.1 255.255.255.0
Router (config-if) #no shutdown

DHCP address pool
Router>
Router>enable
Router#configure Terminal
Router (config) #ip DHCP pool vlan1
Router (dhcp-config) #network 192.168.1.0 255.255.255.0
Router (dhcp-config) #default-router 192.168.1.1
Router (dhcp-config) #dns-server 8.8.8.8 relay route
Router/swich (config) #interface fastethernet 0/x (physical port)
or Router/swich (config) #interface VLAN X (virtual port)
Router/switch (config-if) #ip helper-address 10.10.0.1 (IP address of DHCP server) static route
Router (config) #ip Route 3.0.0.0 255.0.0.0 1.0.0.2 Target mesh mask Next hop
Router#show IP route

NAT Network Address Translation

Network Address Translation
Inside inside
SOURCE sources
Static statics

Static NAT Network Address translation
R1 (config) #ip route 0.0.0.0 0.0.0.0 f0/1 default route
R1 (config) #ip nat inside source static 192.168.4.33 1.0.0.100
R1 (config) #ip nat inside source static 192.168.4.44 1.0.0.100
R1 (config) #in f0/0
R1 (config-if) #ip nat inside
R1 (config) #in f0/1ff
R1 (config-if) #ip Nat outside

Configure Hot Standby Routing protocol (HSRP)
Direct Connect Ping Pass
Tarena-r1 (config) #interface f0/0
TARENA-R1 (config-if) #standby 1 IP 192.168.1.254
TARENA-R1 (config-if) #standby 1 priority 200 Priorities
TARENA-R1 (config-if) #standby 1 preempt preemptive right
TARENA-R1 (config-if) #standby 1 track F0/1 port tracking

Tarena-r2 (config) #interface f0/0
TARENA-R2 (config-if) #standby 1 IP 192.168.1.254 act as IP
TARENA-R2 (config-if) #standby 1 priority 195 Priorities
TARENA-R2 (config-if) #standby 1 preempt preemptive right
TARENA-R2 (config-if) #standby 1 track F0/1 port tracking

Tarena-r1#show Standby Brief View
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Issue seventh Cisco "Cisco" command