Archivo de la categoría: Cisco

Redes, Configuración de Routers, Firewalls, y Switches

search uid

http://www.cisco.com/en/US/docs/security/nac/appliance/configuration_guide/412/cas/s_adsso.html#wp1155714 Step 9 Search Filter—The attribute to be authenticated. The search attribute to be matched with any user in the base of the LDAP tree. For example: •CN=$user$, or •uid=$user$, or •sAMAccountName=$user$

port spanning

he SPAN feature configuration commands are similar on the Catalyst 2950 and Catalyst 3550. However, the Catalyst 2950 cannot monitor the VLANs. You can configure the SPAN, as in this example: C2950#configure terminal C2950(config)# C2950(config)#monitor session 1 source interface fastethernet 0/2 !— This configures interface Fast Ethernet 0/2 as source port. C2950(config)#monitor session 1 destination… Leer más »

Task 3: Configure Your Router to Support SDM

You can install and run SDM on a router that is already in use without disrupting network traffic, but you must ensure that a few configuration settings are present in the router configuration file. Access the CLI using Telnet or the console connection to modify the existing configuration before installing SDM on your router. Step… Leer más »

Common Configuration Register Settings Cisco Router

0x2102 The default -> looks for a startup-config file in the NVRAM and for a valid IOS image in flash 0x2142 NVRAM contents are bypassed, startup configuration is ignored. 0x2100Router boots into ROM Monitor mode

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 »