Included are lists of configuration guides, command references, and. Basic router configuration this module provides configuration procedures for cisco 3900 series, cisco 2900 series, and cisco 1900 series integrated services routers isrs. Each command mode provides a different group of related commands. For security purposes, the cisco ios software provides two levels of access to. Note see appendix a, cisco ios cli for initial configuration for information on how to perform the initial configuration using the cisco internet operating system ios command line interface on cisco 3900. For a router basic security configuration, the first step is shutdowning all the unused ports. Cisco router commands cheat sheet cisco asa firewall commands cheat sheet the following commands will work on most cisco switch models such as 4500, 3850, 3650, 2960, 3560 etc. Cisco ios security command reference browse all support information for cisco ios release 12. Essential cisco ios commands internetwork training. Complete booklevel pdfs are generated periodically and therefore may not reflect the latest updates to documentation as contained in the chapterlevel html or pdf documents. Cisco ios configuration fundamentals command reference. Cisco ios router configuration commands cheat sheet pdf.
Make sure to download the cheat sheet in pdf format for future reference by subscribing above. Cisco ios security configuration guide, release 12. This cisco commands cheat sheet in pdf format will show you many cisco cli commands that will help you with basic configuration of cisco ios devices. Control plane policing, neighborhood router authentication. This cisco commands cheat sheet in pdf format will show you many cisco cli. Ithardware and networking wisdom jobs rssxml feeds. It also includes configuration examples and verification steps whenever possible. Only local bangalore candidates need to applynn will handle the tasks of contributing ideas for developing ongoing process and workflow perform router switch and modem reconfiguration and configuration of new routers on the network monitor and control configuration aspects like ip address subnet mask followup with vendors and client calls and. But if you dont use any ports, then always disable administratively down these unused ports.
Although there is a wide range of cisco router models, the commands below will work on most devices running ios with no problems. Guideline on securing cisco routers national computer board. In router configuration mode, configures the software to receive and send only rip version 2 packets. All settings that we have made in this article will erase once the router reboot. Interface configuration and specific configuration modes. Rj45 serial console port for command line interface. For security reason, we should always disable unused interface on router. Shutdowning, in other words, disabling a port is very easy.
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