Basic commands

enable – switch to configuration mode (password required)

sh run – show running config

copy run start – copy running config to startup config

conf t – enter configuration mode

Control + Z – exit configuration mode

 

Site-to-Site VPN using Cisco IOS

Creating an IPSEC VPN on a Cisco router

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/867-cisco-router-site-to-site-ipsec-vpn.html

IOS commands

Configure access lists

http://www.cisco.com/c/en/us/support/docs/security/ios-firewall/23602-confaccesslists.html

 

Edit access lists

http://www.omnisecu.com/cisco-certified-network-associate-ccna/how-to-edit-a-named-access-control-list-acl-on-router.php

configure-terminal

ip access-list extended 150

15 permit ip host 8.8.8.8 78.32.60.15 0.0.0.7

 

Delete sequence from access list

ip access-list extended 150

no 20

exit

 

Basic configuration

http://www.petri.co.il/csc_basics_of_cisco_switch_administration_02.htm

copy running-config startup-config

 

Configure PPPoA

http://networklessons.com/cisco/how-to-configure-pppoa-dsl-on-cisco-ios-router/

 

Configure Dynamic NAT

http://networklessons.com/network-services/how-to-configure-dynamic-nat-on-cisco-ios-router/