IOS Configs

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House Cleaning:

Upgrading IOS on Cisco Routers: A writeup on the steps necessary to upgrade routers OS images.
@#$%@! enable passwords: Cisco - Password Recovery Procedure for the Cisco 3600 Series Routers. This comes in handy when inheriting a router from someone else and not getting it's enable password.
Cleaning the configs of a Cisco Router: to "virgin-ize" a router.
virgin-izing a device: Steps you need to take to completely clean out a ios device:
upgrading the os: what to do to get a newer version running on your box.
Moving files around a box/stack: It's almost like unix, but not exactly

Starting Fresh with a 3500: Reseting the Password, Virgining the config, and Upgrading the OS.

User accounts and passwords: how to properly encrypt a password, and how to enable ssh access
Trunking and Port Channels: bonding vlans within a single interface and bonding multiple interfaces together
Ports, Trunks and Port-Channels: How to configure and modify (and limit VLANs)
Enabling routing or default routes: How to setup a def route on a SVI, or how to enable routing on the switch/router.

Security Additions: List of additions to the standard config that make the box more secure.
Layer 3 QoS. In the routing world, it's about slowing down everyone.
dhcp forwarder: how to forward layer-2 dhcp packets over a layer 3 network.
DHCP Server: How to have the router provide dhcp services.
bridging vlans: How to install a wan accelerator logically rather then having to physically install it between devices in your network.
limited access user: Allow monitoring tools to grab configs but not make changes (ie:rancid)
AAA + ISDN + PPP: Configuring ISDN dialup with console and PPP, and with AAA (radius) authentication.

Troubleshooting Switch Port and Interface Problems: Good commands to use, and how to interpret them (ie: what all the var's are for sh int)
spanning tree:
Simple port troubleshooting: Why can't you pass traffic on the new port?

3750 Stacking Issues: Rules and processes for dealing with the stackable switches.

Cisco 3120 (HP Blade Switch) Conifg Builder:Quick way to make sure that your configs are correct, and with only a few typos.

Cisco IOS Command Reference Master Index for IOS versions: 12.0, 12.1, 12.2
IOS Naming Conventions: Look at an IOS software image file name, and decode what it is.
Project DOTU and Undocumented IOS: Listing all the undocumented Cisco Commands and features.

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