Sl. No. / Command / Comments, if any.
1 / disconnect / Terminates the suspended telnet session and then logout it.
2 / enable
3 / ping <host-name> / Used to tests the connectivity.It uses ICMP to initiate the connection.
4 / ping <ip-address>
5 / traceroute <hostname> / Lists all routers along path to destination and finds the routing problems if any.
6 / traceroute<ip-address>
Privilegemode Commands
Sl. No. / Command / Comments, if any.
1 / clear arp-cache
2 / configure terminal / Allows to execute commands that change the router's configuration.
3 / copy running-config startup-config / It saves the active configuration of the router.
4 / copy startup-config running-config
5 / debug ip packet
6 / disable / Returns to the UserEXEC mode from Privilege mode.
7 / disconnect <TELNET_ID>
8 / erase startup-config / Deletes all the configuration files present on a router.
9 / logout / It exits router from the user or privilege mode.
10 / ping <host-name> / Used to tests the connectivity.It uses ICMP to initiate the connection.
11 / ping <ip-address>
12 / reload
13 / resume <TELNET_ID>
14 / show access-list / Displays all accesslists from all protocols present in a specified router.
15 / show banner
16 / show cdp / Shows the status of CDP such as holdtime value,no.of packets for every 60sec.
17 / show cdp interface / It tells the CDP configuration on an interface-by-interface basis.
18 / show cdp neighbor
19 / show cdp traffic
20 / show clock
21 / show flash / Used to view all IOS images and file stored in flash(Default location of IOS images is in flash).
22 / show frame-relay lmi / Shows the detailed statistics regarding LMI.
23 / show frame-relay map
24 / show frame-relay pvc <dlci_num> / Shows all the frame relay PVC's terminated and their statistics at a specified router.
25 / show history / Shows the previously executed commands.IOS device stores the last ten commands that are executed.
26 / show hosts
27 / show interfaces / To view interfaces,status,and statistics for an interface.If u don't lists a specific interface,all of the interfaces on the router are listed.
28 / show interfaces ethernet 0
29 / show interfaces loop 0
30 / show interfaces serial 0 / displays the lmi type that is being used and also sme LMI statisstics.
31 / show ip arp
32 / show ip eigrp neighbors / Shows the list of eigrp neighbors that a specified router has.
33 / show ip eigrp neighbors detail
34 / show ip eigrp topology / Displays the list of successor and feasible successors,as well as other types of routes.
35 / show ip eigrp traffic / It shows the information about trafiic statistics for eigrp
36 / show ip interface
37 / show ip interface brief / Verifies the IP configuration.
38 / show ip ospf database
39 / show ip ospf interface
40 / show ip ospf neighbor detail
41 / show ip route / Verifies the configurationof static and default routes on a router.
42 / show protocols / Displays the routing protocols that have been configured and running on a specified router.
43 / show running-config
44 / show sessions / shows the telnet sessions that are currently suspended.
45 / show startup-config
46 / show version / Display version information for the hardware and firmware.
47 / telnet <host-name>
48 / telnet <IP-address>
49 / traceroute <hostname>
50 / traceroute<ip-address> / Lists all routers along path to destination and finds the routing problems if any.
51 / vlan database / Used to access all VLAN and VTP configuration.
52 / write erase
53 / write memory
54 / write terminal
Global configuration mode Commands
Sl. No. / Command / Comments, if any.
1 / access-list <list-num> {permit | deny} <source-ip-address> / Only standard access list of the format given is supported.
2 / access-list <list-num> {permit | deny} <any>
3 / access-list <list-num> {permit | deny} <ip-address> <ip-address>
4 / access-list <list-num> {permit | deny} <host-name> <ip-address>
5 / banner motd <banner> / It creates the login banner on a specified router.
6 / cdp advertise-v2
7 / cdp holdtime <seconds>
8 / cdp run
9 / cdp timer <seconds>
10 / config-register <value> / Hexadecimal or decimal value that represents the 16-bit configuration register value. It is used at the router start-up. The value range is from 0x0 to 0xFFFF (0 to 65535 in decimal). Normally, the default value is 0x2102
11 / dialer-list<list-num>protocol ip permit
12 / enable password <password> / Sets the paasword.The level number is either 1 or 15.
13 / enable secret <password> / Encrypts the password when it is saved.
14 / end
15 / hostname <host-name>
16 / interface ethernet 0 / Used to access ethernet interface and enter Interface subconfiguration mode.
17 / interface fastethernet <pnum>
18 / interface loop 0 / Used to create loop interface.Port numbers can specify between 0 to 2147483647.
19 / interface serial 0
20 / interface vlan <vlan_num>
21 / ip default-gateway <ip-address> / Tells the router which router to use when the router needs to reach the destination thats not in its configured subnet.
22 / ip default-network <ip-address>
23 / ip domain-lookup
24 / ip host <name> <ip-address> / Complete syntax for this command: ip host name [tcp-port-number] address1 [address2...address8]
25 / ip name-server<ip-address> / By using this Router access the DNS server to resolve the names to ip addresses.
26 / ip route <prefix> <mask> {next-hop-ip-addr | interface-type} / The command supported by the simulator are:
ip route <prefix> <mask> <next-hop-ip> and
ip route <prefix> <mask> serial
27 / ip route 0.0.0.0 0.0.0.0 <ip-address>
28 / ip route<ip-address> <ip-address> <ip-address>
29 / ip route <ip-address> <ip-address> serial 0 / Not supported at this time
30 / ip routing
31 / ipx routing
32 / isdn switch-type <switch_type>
33 / line aux
34 / line console 0 / To enter into console interface.Here 0 specifies the console part.
35 / line vty / It supports 16 simultaneous telnet connections and each connection is internally tracked by a number:0-15.
36 / no banner motd
37 / no cdp run / It can globally enable or disable the cdp on a router.
38 / no ip domain-lookup / It disables all the DNS lookups on the router.
39 / no ip routing
40 / no router eigrp
41 / no router ospf
42 / no router rip
43 / no vlan <vlan_num>
44 / router eigrp <aut_sys>
45 / router ospf <proc_id> / Process_id is locally significant and is used to differentiate different ospf processes running on a router.
46 / router rip / Enters into the RIP routing protocol configuration mode.
47 / snmp-server enable traps vtp
48 / username <name> password <password>
Interface subconfiguration mode Commands
Sl. No. / Command / Comments, if any.
1 / bandwidth <kilobits> / Required bandwidth, in kilobits per second.
2 / cdp enable
3 / clock rate <bps> / Desired clock rate in bits per second: 1200, 2400, 4800, 9600, 19200, 38400, 56000, 64000 etc.
4 / compress stac <num> in
5 / description <string> / Character string from 1 to 80 characters.
6 / dialer-group<dialer_list_#>
7 / dialer map ip <ip-address> <des-phone>
8 / dialer map ip <ip-address> name <hostname> <des-phone>
9 / dialer string< phone_#> <class map_name>
10 / encapsulation <encapsulation-type> / Only PPP/HDLC are supported at this time by the simulator.
ex: encapsulation hdlc
11 / encapsulation framerelay<num> in
12 / frame-relay lmi-type <lmi_type> / Specifies the LMI type that is used to communicate between a router and carrier's switch.LMI type is specific to the entire interface,not to a VC.
13 / frame-relay map<protocol-name> <ip-address> <dlci_num> / It configures the manual resolution of PVC's.
14 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast
15 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast cisco
16 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast ietf
17 / frame-relay map<protocol-name> <ip-address> <dlci_num> cisco
18 / frame-relay map<protocol-name> <ip-address> <dlci_num> ietf
19 / ip access-group <num> in
20 / ip access-group <num> out
21 / ip address <ip-address> <sub-net mask>
22 / isdn spid1<spid_num> / Defines the spid's that are used to authenticate call requests.Used only on local connection between router and isdn switch.
23 / isdn spid2<spid_num>
24 / keepalive <seconds>
25 / login
26 / no bandwidth
27 / no cdp enable
28 / no clock rate
29 / no frame map <protocol name> <ip-address> <dlci_num>
30 / no frame map<protocol-name> <ip-address> <dlci_num> broadcast
31 / no frame map<protocol-name> <ip-address> <dlci_num> cisco
32 / no frame map<protocol-name> <ip-address> <dlci_num> ietf
33 / no ip address
34 / no shutdown
35 / shutdown / It disable the interfaces.Interfaces are enabled by default.
36 / shutdown switchport
37 / speed
38 / switchport access vlan <vlan_num>
39 / switchport port-security mac-address sticky<mac_addr>
40 / switchport port-security maximum <max_macadd>
41 / switchport port-security violation <violat_mode>
Line subconfiguration mode Commands
Sl. No. / Command / Comments, if any.
1 / exec-timeout <minutes> [seconds] / seconds is optional.
2 / logging synchronous
3 / password <password>
Subinterface Subconfiguration mode Commands
Sl. No. / Command / Comments, if any.
1 / discription<string> / It specifies the DLCI number.Uses a dynamic resolution with inverse ARP.
2 / frame-relay interface-dlci<dlci_num> / It specifies the DLCI number.Uses a dynamic resolution with inverse ARP.
3 / frame-relay map<protocol-name> <ip-address> <dlci_num>
4 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast
5 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast cisco
6 / frame-relay map<protocol-name> <ip-address> <dlci_num> broadcast ietf
7 / frame-relay map<protocol-name> <ip-address> <dlci_num> cisco
8 / frame-relay map<protocol-name> <ip-address> <dlci_num> ietf
9 / ip address<ip-address> <subnet-mask>
10 / no ip address
11 / no shutdown / It specifies the DLCI number.Uses a dynamic resolution with inverse ARP.
12 / shutdown / It specifies the DLCI number.Uses a dynamic resolution with inverse ARP.
IP Routing Protocol Subconfiguration mode Commands
Sl. No. / Command / Comments, if any.
1 / network <ip-address> / Used with routing rip, igrp etc.
Supported Switch Commands
User mode CommandsSl.No. / commands / Comments, if any.
1 / enable
Privilegemode Commands
Sl.No. / commands / Comments, if any.
1 / clock set hh:mm:ss <1-31> Month <2004-2035>
2 / configure terminal / Allows to execute commands that change the switch's configuration.
3 / copy running-config startup-config / It saves the active configuration of the switch.
4 / copy startup-config running-config
5 / disable / Returns to the UserEXEC mode from Privilege mode.
6 / erase startup-config
7 / logout / It exits switch from the user or privilege mode.
8 / reload
9 / show banner
10 / show flash / Used to view all IOS images and file stored in flash(Default location of IOS images is in flash).
11 / show history
12 / show interfaces / To view interfaces,status,and statistics for an interface.If u don't lists a specific interface,all of the interfaces on the switch are listed.
13 / show ip interface brief / Verifies the IP configuration.
14 / show running-config / It examine the active configuration on a switch.
15 / show startup-config
16 / show version / Display version information for the hardware and firmware
Global Configuration mode Commands
Sl.No. / commands / Comments, if any.
1 / banner motd <phrase> / It creates the login banner on a specified router.
2 / cdp advertise-v2
3 / cdp holdtime <seconds>
4 / cdp run
5 / cdp timer <seconds>
6 / enable password <password> / It sets the paasword.The level number is either 1 or 15.
7 / enable secret <secret> / Encrypts the password when it is saved.
8 / end
9 / hostname <name>
10 / ip default-gateway <ip-address> / Tells the switch which router or switch have to use when the switch needs to reach the destination thats not in its configured subnet.
11 / ip host<hostname> <ip-address>
12 / interface fastethernet <0-0>/<0-24> / Depends on the switch type. For module 0, port 1 the command is interface fastethernet 0/1
13 / interface vlan <vlan #> / You can enter interface config mode.
example: interface vlan 1
(config-if)#ip address 192.168.10.1 255.255.255.0
14 / line console 0
15 / line vty 0 15
16 / mac-address-table static <mac-address> vlan <valn_num> interface fastethernet <pnum>
17 / snmp-server enable traps vtp
18 / speed <speed> / Enter switch port speed 10,100, auto.
Interface Subconfiguration mode Commands
Sl.No. / commands / Comments, if any.
1 / description <phrase>
2 / duplex <duplex-type>
3 / ip address <ip-address> <subnet mask> / A switch can have one IP address. The IP address of the switch can be accessed only through ports that belong to the management VLAN.
4 / ip name-server <ip-address>
5 / login
6 / no ip address
7 / no shutdown / It reenables the interface when the interface is disabled.By default interfaces are enabled.
8 / no switchport <port_security>
9 / shutdown / Disables a port and shuts-down management vlan. no shutdown command enables a port.
Line Subconfiguration mode Commands
Sl.No. / commands / Comments, if any.
1 / password <password>
Vlan mode Commands
Sl.No. / commands / Comments, if any.
1 / vlan<vlan_num> / VLAN numbers can range 1-1000,However only 64VLANs can be active ata time.
2 / vtp client / Specifies the VTP mode of the switch.
3 / vtp domain / Defines the domain name for a specified switch.For switches to share VTP informtion they must be in the same domain.
4 / vtp password
5 / vtp pruning
6 / vtp server
7 / vtp transparent
Workstation Commands
Sl. No. / Command / Comments, if any.1 / ip address <ip-address> <subnet-mask>
2 / ping <ip-address>
3 / ping <hostname>
4 / telnet <host-name>
5 / telnet <ip-address>
6 / traceroute <hostname>
7 / traceroute <ip-address>