Author: ITExamAnswers Editorial Team
The ITExamAnswers Editorial Team is a dedicated group of certified IT professionals and network engineers. We rigorously review, verify, and update all exam materials to ensure you receive the most accurate and reliable resources for your certification journey.
Command End Use While in configuration mode, using the end command will return to privileged mode. Syntax Router(config)#end Example In this example, the end command is issued to return to privileged mode. CopyR3(config)#int fa0/0 R3(config-if)#end R3#
Command IP Access-list Use This command is used to create named access-lists that matches packets on a given criteria. While access-lists are most commonly associated with security, there are numerous uses. The benefit to named access-list is that you can assign a logical name and also reorder the …
Command IP Route Use Allows you to set static routes to define how to reach remote networks.. Syntax Router(config)#ip route <network> <mask> <next hop> Example In the below example we will configure R1 to be able to ping R3 CopyR1(config)#ip route 3.3.3.3 255.255.255.255 10.1.1.2 R1(config)#do show ip route …
Command IP Host Use Allows you to set DNS names for devices on your network. Syntax Router(config)#ip host <name> <ip address> Example In the below example R1 is configured to be able to ping R2 and R3 CopyR1(config)#ip host R2 2.2.2.2 R1(config)#ip host R3 3.3.3.3 R1(config)#do ping R2 …
Command IP DHCP Pool Use This command enables DHCP services on the router and specifies the various DHCP options the server will assign to clients. Syntax Router(config)#ip dhcp pool <name> Options <network> network addresses that the DHCP pool may assign, this supports slash notation. Ex network 192.168.1.0 255.255.255.0 …
Command IP Classless Use This command allows your router to ignore classful IP boundaries when processing packets. This command is on by default. Without this command the router would not be able to correctly process default routes and discontinuous networks. Syntax Router(config)#ip classless Example Example In this example, …
Command Inteface Use Selects an interface on the router to enter into configuration mode. Syntax Router(config)#interface FastEthernet <0-6> Optional Switches -Async Async interface -BVI Bridge-Group Virtual Interface -CDMA-Ix CDMA Ix interface -CTunnel CTunnel interface -Dialer Dialer interface -FastEthernet FastEthernet IEEE 802.3 -Group-Async Async Group interface -Lex Lex interface …
Command Logging Console Use This is a handy command that stores log messages so they can be reviewed later. This is a default command. It is especially useful when you are telneting between multiple routers as you would normally miss the console or debug messages on the router …
Command Config-register Use This command is used to modify what configuration files the router reads as it is starting up. This is most commonly used for password recovery purposes. Syntax R1(config)#config-register <value> Optional values 0x2102 This tells the router to startup normally, reading the config in NVRAM 0x2142 …
Command IP Domain-Lookup Use This command allows the router to assume that any non-keyword entered in the command console is supposed to be resolved into an IP address. This is a default command. Most people disable this command as it can be a frequent annoyance to those who …
