cisco_router

How to dynamic NAT on Cisco ASA ASDM

Dynamic NAT / PAT / HIDE NAT / NAT Overload Dynamic PAT (Port Address Translation), HIDE NAT and NAT Overload all refer to the same meaning – which is to dynamically NAT your internal network address segment to one IP…



srw2024

Linksys SRW2024 recover from failed firmware update

So you’ve bricked your Linksys SRW2024? Apparently many users have issues upgrading the firmware on this switch. Most realize once after applying the latest update and rebooted, the switch no longer responds and the management interface cannot be accessed. This…


https

How to create a CSR using openssl

Openssl is a handy and simple command line tool for generating a certificate signing request (CSR). All Linux systems administrator should know how to do this. Below are the steps you will need to go through before you can create…


vmware

How VMware vMotion works

What is vMotion? VMware vMotion is a feature that allows virtual machines to live migrate between virtual hosts with little to no impact. This feature relies on the fact that the virtual hosts share a common file storage over SAN…


How to clean up old images on IOS XE

Problem If you ever run into the following error messages: %Error copying usbflash0:cat3k_caa-universalk9.SPA.03.06.04.E.152-2.E4.bin (Not enough space on device) or % flash: requires 295884 KB of free space, but only 167160 KB is available. Operation aborted. You’ve run out of disk…


SS FAMILY STACKF 001

How to factory reset 3COM switch

Forgot your login password? Factory reset to default! In order to restore your 3COM superstack switch you will need the following: Cisco Console Cable Putty 1. Connect to the console port of the switch Make sure to connect using the…