Archivo del Autor: carlosap

How to Upgrade IOS on a Cisco Router

When would you need this: The upgrade is required when you plan to add more duties to the router or new hardware. The installation is required when the IOS image you have on the router is corrupted. Special Requirements: The router’s flash size should be enough for the new IOS image.

Configuration modes

R1(config)# GLOBAL CONFIGURATION MODE R1_1841(config)#line vty 0 4 R1_1841(config-line)# exit takes back one level ^Z takes back to the privileged mode

Navigation arrows / history

up arrow = <CTRL-P> shows last command down arrow = <CTRL-N> brings one command up <CTRL-A>  takes the cursor all the way to the front of your current command <CTRL-E> takes the cursor all the way to the end of your current command left arrow = <CTRL-B> move backward character right arrow = <CTRL-F> move forward character Backspace… Leer más »

Configuring loggin synchronous

Configuring logging synchronous command on the console port to hold messages until detects no input from the keyboard. R1_1841(config)#line con 0 R1_1841(config-line)#logging synchronous exec timeout: R1_1841(config-line)#exec-timeout ? Timeout in minutes #####For educationals purposes###### R1_1841(config-line)#exec-timeout 0 0 R1_1841(config-line)#end ###Default time exec is 5 minutoes##### R1_1841(config-line)#exec-timeout 5 0 R1_1841(config-line)#end

Banner config

R1_1841(config)#banner ? LINE c banner-text c, where ‘c’ is a delimiting character exec Set EXEC process creation banner incoming Set incoming terminal line banner login Set login banner motd Set Message of the Day banner prompt-timeout Set Message for login authentication timeout slip-ppp Set Message for SLIP/PPP R1(config)#banner motd $ Mantenimiento al router $ R1(config)#banner… Leer más »

Interface Range

sw_usuarios(config)#interface ? Async Async interface BVI Bridge-Group Virtual Interface CTunnel CTunnel interface Dialer Dialer interface Filter Filter interface Filtergroup Filter Group interface GigabitEthernet GigabitEthernet IEEE 802.3z Group-Async Async Group interface Lex Lex interface Loopback Loopback interface Null Null interface Port-channel Ethernet Channel of interfaces Portgroup Portgroup interface Pos-channel POS Channel of interfaces Tunnel Tunnel interface… Leer más »

Common Router Sw commands

CONSOLE PASSWORD Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#line con 0 Router(config-line)#password CCENT Router(config-line)#login Router(config-line)#^Z Router# *Jan 19 21:49:48.235: %SYS-5-CONFIG_I: Configured from console by console Router# TELNET PASSWORD Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#line vty 0 4 Router(config-line)#password cisco Router(config-line)#login Router(config-line)#^Z *Mar 1 00:02:14.499:… Leer más »

Minicom macosx

Here’s a step-by-step set of instructions on how to console onto your cisco router or switch from your mac using minicom. Install minicom via Fink [Fink minicom page]. In the Terminal, type fink install minicom Purchase the Keyspan PDA adapter. Install the driver and reboot Configure minicom. Type minicom -s in the Terminal, and select… Leer más »