IOS Switch Commands Flashcards
1
Q
User mode.
A
Switch>
2
Q
Enter Privilege mode.
A
Switch>enable
3
Q
Privileged mode.
A
Switch#
4
Q
Enter Configuration mode.
A
Switch#configure terminal
5
Q
Global Configuration mode.
A
Switch(config)#
6
Q
Enter Interface mode.
A
Switch(config)#interface fa0/1
7
Q
Interface mode.
A
Switch(config-if)#
8
Q
Return to Global Configuration mode.
A
Switch(config-if)#exit
9
Q
Return to User mode.
A
Switch#disable
10
Q
Logout.
A
Switch>exit
11
Q
Recall previous command.
A
Up arrow or Ctrl p
12
Q
Recall next command.
A
Down arrow or Ctrl n
13
Q
Beginning of command.
A
Ctrl a
14
Q
End of command.
A
Ctrl e
15
Q
Delete input.
A
Ctrl d
16
Q
Exit Configuration mode.
A
Switch(config)#exit or Ctrl z
17
Q
Complete command.
A
Tab
18
Q
Configure device system name.
A
Switch(config)#hostname yourhostname
19
Q
Sets the encrypted enable password.
A
Switch(config)#enable secret cisco
20
Q
Sets the un-encrypted enable password.
A
Switch(config)#enable password cisco
21
Q
Enable password encryption on all clear text password within the configuration file.
A
Switch(config)#service password-encryption
22
Q
Configure a Message Of The Banner, with an ending character of $.
A
Switch(config)#banner modt $
23
Q
Assign IP address to VLAN 1.
A
Switch(config)#interface vlan 1
Switch(config-if)#ip address 192.168.0.1 255.255.255.0
24
Q
Assign Default Gateway.
A
Switch(config)#ip default-gateway 192.168.0.250
25
Select one interface.
Switch(config)#interface fastEthernet 0/1
26
Select a range of interfaces.
Switch(config)#interface fastEthernet 0/1 - 24
27
Set the interface description.
Switch(config-if)#description yourdescription
28
Add VLAN 10 to switch and name it TEST.
Switch(config)#vlan 10
| Switch(config-vlan)#name test
29
Configure interface FastEthernet 0/1 @ speed 100 Mbps and full duplex.
Switch(config)#interface FastEthernet 0/1
Switch(config-if)#speed 100
Switch(config-if)#duplex full
30
Assign interface to VLAN.
Switch(config)#switchport access vlan 10
31
Enable port security.
Switch(config-if)#switchport mode access
Switch(config-if)#switchport port-security
Switch(config-if)#switchport port-security mac-address sticky
32
Disable interface.
Switch(config-if)#shutdown
33
Enable interface.
Switch(config-if)#no shutdown
34
Configures 5 Telnet sessions each with a password of ‘cisco’.
Switch(config)#line vty 0 4
Switch(config-line)#login
Switch(config-line)#password cisco
35
Enable and define console password of ‘cisco’.
Switch(config)#line con 0
Switch(config-line)#login
Switch(config-line)#password cisco
36
Synchronize console messages (keep what you have typing on the screen).
Switch(config-line)#logging synchronous
37
Set the timezone and automatically adjust.
Switch(config)#clock timezone gmt 0
| Switch(config)#clock summer-time gmt recurring
38
Sets the switch priority for the VLAN.
This combined with the switch mac address creates the switch Bridge ID (BID).
Switch(config)#spanning-tree vlan 1 priority 4096
39
Enables portfast on interface FastEthernet 0/1
Switch(config)#interface FastEthernet 0/1
| Switch(config-if)#spanning-tree portfast
40
Enables Rapid Spanning Tree Protocol (RSTP).
Other options are, Per-VLAN Spanning Tree (PVST) and Multiple Spanning Tree (MST).
Switch(config)#spanning-tree mode rapid-pvst
41
Unconditionally forces an interface into trunking.
Other options are access and dynamic.
Switch(config-if)#switchport mode trunk
42
Manually assign a switch to a VLAN Trunking Protocol (VTP) domain.
A switch will automatically become part of a VTP domain if it’s currently in the ‘null’ domain and receives a VTP frame
Switch(config)#vtp domain test
43
Changes the VTP mode from the default ‘server’ mode to 'client' mode.
In client mode no changes can be made.
Switch(config)#vtp mode client
44
Displays information about the current VTP configuration.
Switch#show vtp status
45
Displays the device platform, IOS version, and package.
Switch#show version
46
Displays the current running configuration.
Switch#show running-config
47
Displays the startup configuration in NVRAM
Switch#show startup-config
48
Concisely displays the state, speed, and duplex of all ports.
Switch#show interfaces status
49
Displays which ports Port Security is enabled on.
Switch#show port-security
50
Displays summary of the VLAN database.
Switch#show vlan brief
51
Displays the IP routing table.
Switch#show ip route
52
Displays current DHCP bindings.
Switch#show ip dhcp binding
53
Displays the contents of access list 100.
Switch#show access-lists 100
54
Displays information about all active VLAN trunks.
Switch#show interfaces trunk
55
Displays which VLANs VTP has pruned.
Switch#show interfaces pruning
56
Displays information about the current (R)STP configuration.
Switch#show spanning-tree
57
Displays information about active routing protocols on the router.
Switch#show ip protocols
58
Displays adjacent Enhanced Interior Gateway Routing Protocol (EIGRP) neighbors.
Switch#show ip eigrp neighbors
59
Displays adjacent Open Shortest Path First (OSPF) neighbor.
Switch#show ip ospf neighbor
60
Displays hostname and interface information about directly connected Cisco devices.
Switch#show cdp neighbors
61
Displays the MAC address table
Switch#show mac address-table
62
Displays logging settings and the contents of the logging buffer.
Switch#show logging
63
Displays device up-time.
Switch#show version
64
Reboots the network device
Switch#reload
65
Removes the specified command from the running configuration.
Switch(config)#no
66
Manually starts the setup dialog which is automatically invoked when the device starts with no config
Switch#setup
67
Saves the configuration.
Without this command all changes/configuration will be lost ar device rebbot.
Switch#copy running-config startup-config
68
Saves the running config to a TFTP server.
Switch#copy running-config tftp
69
Copies IOS files to a TFTP server.
Switch#copy flash tftp
70
Copies files from a TFTP server the device flash.
Switch#copy tftp flash
71
Erase the config held in NVRAM.
If this is followed with the reload command all configuration is lost.
Switch#erase startup-config
72
Show the current sessions.
The one with a * is your active session
Switch#show sessions
73
Forcible closes a telnet session.
Switch#disconnect sessionname
74
Set the device local clock to a specific time.
Note this is not done in config mode.
Switch#clock set 10:00:00 January 1 2019
75
Displays the file contents of the flash.
Switch#show flash
76
Displays the clock.
Switch#show clock
77
Displays the users currently logged on.
Switch#show users
78
By default displays the last 10 commands .
Switch#show history
79
Displays the ARP cache.
Switch#show arp
80
Displays the spanning tree status on VLAN 1.
Switch#show spanning-tree vlan 1
81
Lists all the configured VLANs.
Switch#show vlan
82
Displays extended details about directly connected Cisco devices.
Switch#show cdp neighbors details
83
Display CDP packets as they arrive.
Switch#debug cdp packets
84
Display ping packets as they arrive.
Switch#debug icmp packets
85
Erase the VLAN database.
Switch#delete flash:vlan.dat
