Error#2. How to Troubleshoot Trunk Mode Mismatches Trunk mode mismatches in networking occur when there is a configuration inconsistency between network devices (like switches) connected through a trunk link. A trunk link is used to pass traffic from multiple VLANs across network devices. Understanding trunk mode mismatches requires a grasp of a few key concepts: Trunk Mode: In… Read More »
How to troubleshoot VLANs and Trunks. Common Errors On this page(s), we will look at common VLAN and trunking problems, which most times are caused by incorrect configurations. As I said earlier on the NAT troubleshooting page, the most common mistakes in troubleshooting are not your inability to use commands but the laxity in the examination of entries… Read More »
Error Setting Server Switch as VTP Client Solution. Mistake happens, As a network administrator, you can mistakenly configure the operating mode of the server switch as a VTP client. Only Server switches can create, delete, and modify VLANs. By reconfiguring the sever switch to VTP client mode, you lose all ability to create, delete, and manage VLANs within your network… Read More »
Other factors may still disrupt your network even if you have properly configured the switches in your VTP domain. These factors can negatively impact the operation of VTP. The topology diagram below is configured with VTP. There is one VTP server switch, SW1, and two VTP client switches, SW2 and SW3. SW1, SW2, and SW3 are configured with the same VTP domain name… Read More »
