This is post is to list out the IOS upgrade procedure for legacy Cisco Switches or low-end Cisco switches, it also lists out the fix if you encounter the “Image failed digital signature verification” error. Please be aware of the difference in upgrade command between Cisco legacy switches and newer 9000 series switches. For the […]
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Issue At the end of Microsoft Teams migration – Skype for Business decommissioning process, we were trying to set up the global TeamsUpgradePolicy to “TeamsOnly”, we got this error “This organization cannot be upgraded to TeamsOnly at the Tennant level because this is an on-premise deployment of Skype for Business detected in 1 or more
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This tutorial is to illustrate the processes to configure Juniper EX switch virtual chassis and JUNOS upgrade procedures. This is one of the most common tasks in the Juniper networking world. Environment Virtual Chassis with nonprovisoned configuration file 2. Then you can check the current vc-port configuration via show virtual-chassis vc-port, there might be ports
How to – Juniper EX switch Virtual Chassis and JUNOS upgrade Read More »
Instead of reading Cisco’s lengthy document for switch stacking and IOS XE upgrade procedure, this tutorial explains the simple steps to stack two Cisco L2/L3 switches and upgrade the IOS afterward, this is one of the most common tasks for ICT networking professionals. Environment 2x brand new Cisco 9300 switches 2x Cisco Data Stacking cable
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