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Related Flashcards
Cards In This Set
| Front | Back |
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NVRAM and RAM
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Boot process loads startup-config into NVRAM, and running-config into RAM
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Configuring SSH on a router
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Router#config tRouter(config)#hostname ToddTodd(config)#ip domain-name Lammle.comTodd(config)#username todd password toddTodd(config)#crypto key generate rsa general-keys modulus 1024Todd(config)#line vty 0 4Todd(config-line)#login localTodd(config-line)#transport input SSH
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Configuring secret password for enable access.
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Todd(config)#enable secret todd
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Configuring the AUX password
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Todd#config tEnter configuration commands, one per line. End with CNTL/Z.Todd(config)#line aux ?<0-0> First Line numberTodd(config)#line aux 0Todd(config-line)#login% Login disabled on line 1, until 'password' is setTodd(config-line)#password auxTodd(config-line)#login
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Configuring the console password
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Todd(config-line)#line console ?% Unrecognized commandTodd(config-line)#exitTodd(config)#line console ?<0-0> First Line numberTodd(config-line)#line con 0Todd(config-line)#password consoleTodd(config-line)#loginTodd(config-line)#exec-timeout ?<0-35791> Timeout in minutesTodd(config-line)#exec-timeout 0 ?<0-2147483> Timeout in seconds<cr>Todd(config-line)#exec-timeout 0 0Todd(config-line)#logging synchronous
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Configuring the telnet password
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Todd(config-line)#line vty 0 ?% Unrecognized commandTodd(config-line)#exitTodd(config)#line vty 0 ?<1-1180> Last Line number<cr>Todd(config)#line vty 0 1180Todd(config-line)#password telnetTodd(config-line)#login
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Configuring password encryption
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Todd#config tEnter configuration commands, one per line. End with CNTL/Z.Todd(config)#service password-encryptionTodd(config)#exit
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Configuring DHCP
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Todd#config tTodd(config)#ip dhcp pool FinanceTodd(dhcp-config)#network 10.10.1.0 255.255.255.0Todd(dhcp-config)#default-router 10.10.1.1Todd(dhcp-config)#dns-server 10.30.1.1Todd(dhcp-config)#netbios-name-server 10.30.1.1Todd(dhcp-config)#lease 0 0 1Todd(dhcp-config)#exitTodd(config)#ip dhcp excluded-address 10.10.1.1 10.10.1.199Todd(config)#
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Router power up process
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When you first bring up a Cisco router, it will run a power-on self-test (POST), and if that passes,it will look for and load the Cisco IOS from flash memory, if a file is present. The IOS then proceedsto load and looks for a valid configuration in NVRAM called the startup-config. If no file is presentin NVRAM, the router will go into setup mode.
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What command is used to set a serial interface to provide clocking to another router at 64Kb?
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Clock rate 64000
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If you telnet into a router and get the response connection refused, password notset, what would you do on the destination router to stop receiving this message andnot be prompted for a password?
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Config t, line vty 0 4, no login
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If you type show inter et 0 and notice the port is administratively down, what wouldyou do?
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Config t, int e0, no shut
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If you wanted to delete the configuration stored in NVRAM, what would you type?
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Erase startup-config
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If you wanted to set a user-mode password for the console port, what would you type?
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Config t, line console 0, login, password todd
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If you wanted to set the enable secret password to cisco, what would you type?
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Config t, enable secret cisco
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