How to Configure Syslog on a Cisco IOS Switch or Router
In this tutorial, I’ll step through the process of configuring syslog on Cisco IOS based devices. For this example, I will be configuring syslog on…
Switches
Disable Weak SSH and SSL Ciphers on Cisco IOS
It amazes me how many network vendors still release software with weak ciphers enabled. Cisco is no exception to this. Any time you enable remote…
Configure SNMPv3 on a Cisco Catalyst Switch or Router
SNMP (simple network monitoring protocol) is an application-layer protocol that provides a message format for communication between managers and agents. The SNMP system consists of…
How to Stop Traceroute or Ping on a Cisco Device
Did you just start an extended ping or trace from the command line of a Cisco switch or router and are now staring at a…
Getting Flexible Netflow v9 on a Cisco 9300 to Export to SolarWinds NTA
I have recently begun a project to replace an aging fleet of Cisco 2911 routers across our WAN with new Cisco Catalyst 9300 switches. One…
Force a Cisco Switch to Use Non-Cisco SFP Modules
If you’re setting up a Cisco Catalyst switch, such as 1000, 2960X, 3560X, 9200, 9300, etc…, and you insert a non-Cisco branded SFP into one…
Upgrade Cisco IOS Switch Step-by-Step
Just as patching Windows is regular event so should be updating your Cisco networking equipment. New updates not only fix security holes and bugs but…
Cisco Configuration Archive & Rollback: The Undo Button
Ever wished you could undo a change to a Cisco IOS device right after committing it and subsequently losing access to it?
I’m pretty sure we’ve all been there.
How to Update Firmware on Cisco Catalyst 1000 Series Switches from the Command Line
You’ll have no issues configuring and managing Cisco’s new Catalyst 1000 Series campus LAN access switches if you’re familiar with Cisco’s old Catalyst 2900 series…