Configuring VLANs on a Cisco Switch: Setup, Ranges, and Troubleshooting
Getting a VLAN running on a Cisco switch is usually the easy part — assigning a port, creating the VLAN, and confirming connectivity takes just a few commands. The harder parts show up later: understanding why VLAN IDs above 1005 behave differently, and diagnosing exactly why a device suddenly can’t ping across a VLAN it... » read more