Talk:Cisco IOS

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CLI? (2003)[edit]

I believe 's IOS is much more than just a command interface. My understanding has been that IOS is the routing software that is common to all of their router products.

The IOS Command line interface (CLI) is just one of the user interfaces through which the function of a device can be provisioned. Saying IOS is a CLI is like saying Microsoft Windows is just a Window manager.

Cisco describes IOS as: "Available on an extensive range of Cisco platforms, Cisco IOS® Software is a feature-rich, network infrastructure software that provides a common IP fabric, functionality and command-line interface (CLI) across your network."

So the CLI is only a part of IOS.

Also, any special reason to use "CIOS"? IOS is referenced simply as "IOS".

For the definitive guide to IOS, see this link [1].

So basically is the term IOS married to Cisco?:)

Security (July 2005)[edit]

[01:47, 29 July 2005 (new section)] This article needs a section on IOS' security, esp. with the new vulnerabilities and ruckus about them. - User:

a quick comment on how fast they respond, is there any source that can be sited to back this up, they're surely not the slowest, and to be honest they are generally easy to work with (all lawsuits aside), but fast is not how I would characterise their response...this is not nessisarily due to lazyness or stonewalling, more to the monolithic nature of the IOS architecture, its not uncommon for a bug fix to take 8-12 months for a fix to start being released...all in all thats not bad given the monumental task of releasing a patch for all the IOS versions that are out there, but whatever the reason for the slow reaction to security bugs, its still pretty slow... thats just been my experience (which is based on more than just the cisco-gate feasco) --Michael Lynn

Minor Update (Sept 2005)[edit]

Removing link to DTUD (DOTU?) ; this link no longer relevant, as it's not as potentially useful as it might have once been. The page was last updated 5 years ago. Any search on Google (etc.) will give you much more timely info on specific commands. As a side note, that page was always poorly named anyway: better name would have "Document Hidden Commands" (commands have been hidden in IOS mainly because they were just put in by engineers for testing purposes; it's not like Cisco 'forgot' to document them). - Liberty 03:04, 15 September 2005 (UTC)


The article needs cleanup. Substantial "howto" stuff has been added since 1-Feb-2007 and it's made the article into a mess, see WP:NOT#IINFO. And yes, I'm going to do some of the cleanup, but right now some of the stuff looks like someone just took their "Introduction to Cisco Routing" class and added things in. Thomas Dzubin Talk 14:00, 28 February 2007 (UTC)

Please remove "a massive undertaking" phrase. This is unnecessary and is subjective/opinion. —Preceding unsigned comment added by (talk) 04:07, 5 June 2009 (UTC)

Shortening commands[edit]

A section needs to be added describing how you can shorten all commands, such as confgure terminal to conf t. —The preceding unsigned comment was added by KevinMadsen (talkcontribs) 15:30, 19 March 2007 (UTC).


The wiki page says that in : a.b(c)d

a is major version number b is minor version number but according to the Cisco page[2] :

Release Format

Cisco IOS Software releases use the format A.B(C)D where:

   * A, B, and C are numbers.
   * D (if present) is a letter.
   * A.B is a major release.
   * C is the maintenance version.

-- 21:55, 27 May 2007 (UTC)

Router# show ip interface brief[edit]

Not sure if CLI is consistent everywhere or not, but on an ASA the command for finding out the status of cards is:

Router# show interface ip brief

The ASA doesn't run Cisco IOS. The corresponding Cisco IOS command would probably be show interface. -Flashcube 20:56, 12 September 2007 (UTC)

CLI commands?[edit]

I wonder if it's necessary to include a bunch of commands one can use on the commandline. I think that's way too deep for a general article about IOS and it just adds to the confusion and clutter. If you need information on how to perform certain commands, I don't think you will be looking at Wikipedia but at some specialized documentation. I propose we just leave the general information and get rid of most (if not all) specific commands, but I first want to hear some other opinions before removing them all... Axhind 14:27, 5 October 2007 (UTC)

I was about to suggest the same. A IOS manual is something for wikibooks:. It's even there at wikibooks:CCNA Certification. multichill 14:57, 5 October 2007 (UTC)
I just removed a lot of material from this page, because it violated what Wikipedia is not. If you want to move the content over to Wikibooks, then refer to this revision. — EagleOne\Talk 22:44, 10 December 2007 (UTC)

RE: CLI commands?[edit]

Well some commands are universal to all products, and a brief introductory tutorial to them couldn't hurt —Preceding unsigned comment added by (talk) 22:25, 3 May 2008 (UTC)

White Paper[edit]

Cisco moved the Reference guide that the link on this page points to. —Preceding unsigned comment added by (talk) 22:23, 3 May 2008 (UTC)

IOS XE[edit]

I think this article need to mention Cisco IOS XE, and especially, it's relation to Linux. I'm curious why this article don't mention ios and it's opensource parts. some more information: (not spam, really) -- (talk) 12:47, 1 September 2008 (UTC)

Cisco's new direction for IOS is a mix between XE and XR; I would love to find a proper reference documenting this:

TmuSrnn (talk) 14:55, 6 Jan 2016 (UTC)

Move request to move iOS (Apple) to IOS[edit]

IOS is currently a disambiguation page, and it links to this one. Its proposed to move iOS (Apple) over than and move the redirect to IOS (disambiguation). See Talk:IOS (Apple)#Requested Move 3 if you wish to comment. -- Eraserhead1 <talk> 20:12, 3 August 2010 (UTC)

This is being discussed again at Talk:IOS_(Apple)#Requested_Move. -- Eraserhead1 <talk> 20:20, 10 January 2011 (UTC)

Consider adding a short section detailing the licensing of the name to Apple?[edit]

The text from the apple ios article could suffice if re-worded:

"In June 2010, Apple rebranded iPhone OS as "iOS". The name "IOS" had been used by Cisco for over a decade for its IOS used on Cisco routers. To avoid any potential lawsuit, Apple licensed the "IOS" trademark from Cisco."

Would this be appropriate? I feel it may be relevant? —Preceding unsigned comment added by (talk) 01:53, 31 March 2011 (UTC)

Discussion at Talk:IOS#Requested move[edit]

You are invited to join the discussion at Talk:IOS#Requested move. Trevj (talk) 09:46, 17 August 2011 (UTC)

IOS History[edit]

Some history:

It would be nice to combine that with other sources to generate a IOS Timeline. — Preceding unsigned comment added by Compukid (talkcontribs) 19:26, 2 September 2011 (UTC)

Excuse Me?[edit]

Who is the f@#$ that made IOS link to the Apple OS that came AFTER the Cisco Operating System? IOS was first. IOS means Cisco IOS.

Just because Apple do something AFTERWARDS to f@#$ up the industry's naming conventions does NOT give Wikipedia the right to blast Apple propaganda all over everyone's faces. — Preceding unsigned comment added by (talk) 19:15, 7 May 2012 (UTC)

Trademark Registration as date for first usage[edit]

It bothers me that there is no indication around what time IOS has been started being used. With some help the trademark registration was found, but I have no clue how to properly weave that into the introduction. It is a bit meat-less for its own section. Plastefuchs (talk) 08:54, 17 March 2015 (UTC)

Originally ?[edit]

Currently the article says "Cisco IOS (originally Internetwork Operating System) is software (...)". Originally? What is does stand for currently then? -Ignacio Agulló — Preceding unsigned comment added by (talk) 08:19, 30 September 2015 (UTC)