When trying to SSH to a Cisco Router or Switch you get this error [crayon-5c13a74898591859405191/] This can be caused by a number of reasons The transport setting on the vty lines is not … [Read more...] about The Remote System Refused the Connection – Cisco Router SSH
Cisco
Cisco 2960x Switch Password Recovery Procedure
This short post details how to perform password recovery on a Cisco 2960X switch. The biggest problem most people have with doing a password recovery on a 2960 or 3560 is knowing how long to hold … [Read more...] about Cisco 2960x Switch Password Recovery Procedure
Password Recovery Cisco Catalyst 3850
If you are locked out of your 3850 switch and need to perform Password recovery on a Cisco Catalyst 3850 switch this short tutorial will guide you along the way. You will need One Cisco … [Read more...] about Password Recovery Cisco Catalyst 3850
Cisco Commerce Workspace – Quick Tutorial
The Cisco Commerce Workspace (CCW) is a multipurpose tool for Cisco Partners and empolyees to quickly create a Bill of Materials with list price quotes. To access the Cisco Commerce Workspace go to … [Read more...] about Cisco Commerce Workspace – Quick Tutorial
How to Upgrade IOS on Cisco 4500X Switch
The post describes the process of how to upgrade the IOS / Software on a Cisco 4500X switch. I will not be covering how to do a hitless upgrade using ISSU with 2 switches in a VSS pair. This … [Read more...] about How to Upgrade IOS on Cisco 4500X Switch
Spanning-Tree Portfast – The Definitive Guide
The spanning-tree portfast command is a very simple feature but often mis-understood. In this short post I will explore how this feature behaves, how it works and how to configure it on a cisco … [Read more...] about Spanning-Tree Portfast – The Definitive Guide
How to upgrade software on a Cisco 3850 Switch
Do you want to perform a Cisco 3850 IOS Upgrade? This short post will show you how to upgrade the software on a single Cisco 3850 switch or a 3850 stack, using TFTP and USB. The Cisco 3850 IOS … [Read more...] about How to upgrade software on a Cisco 3850 Switch
Private Vlans Explained
Introduction to Private Vlans A normal Vlan is essentially a broadcast domain and all the devices if addressed on the same subnet can communicate with each other. In shared hosting environments, to … [Read more...] about Private Vlans Explained
What Cisco did for London 2012
Here are some amazing facts from Cisco about what they supplied to power the network for London 2012 Cisco Key Facts Cisco's Delivery to London 2012 94 Sites 1800 Wireless Access … [Read more...] about What Cisco did for London 2012
Switchport Host Command
Working through one if the INE workbooks today I discovered a switch command I had never come across before switchport host Normally I would enable spanning-tree portfast on all access ports to … [Read more...] about Switchport Host Command
