Troubleshooting the vPC Split-Brain Scenario

When faced with a vPC split-brain scenario, swift and methodical troubleshooting is crucial to minimize downtime and restore network integrity.Here are the steps I followed to isolate and resolve the issue: 1.Confirm Split-Brain: Verify if a vPC split-brain condition indeed exists. Check both vPC peer switches for discrepancies in their operational status.2.Analyze Logs: Dive into … Read more

VXLAN (Virtual Extensible LAN)

VXLAN (Virtual Extensible LAN) is a network virtualization technology that extends Layer 2 segments over a Layer 3 network infrastructure. It is commonly used in data center environments to facilitate network segmentation and overlay networks. VXLAN Multi-Site is an extension of VXLAN that allows for the extension of virtualized network segments across multiple data center … Read more

Private VLAN (PVLAN) on Cisco IOS Switch

Many network students believe private VLANs are very complex when they see this for the first time. I’m going to break it down and explain to you how it works.The private VLAN always has one primary VLAN. Within the primary VLAN, you will find the promiscuous port. In my picture above, you can see a router … Read more

VLAN – CCNA

. Divides on single broadcast domain into multiple broadcast domains. VLANs provide a way to group devices within a LAN VLAN divides into a single broadcast domain into multiple broadcast domains. VLAN – Benefits VLAN Types 2. Data VLAN ( User VLAN) 3. Voice VLAN 4. Management VLAN VLAN Ranges Range Use Propagated 0, 4095 … Read more

Cisco Packet Tracer Download

Cisco Packet Tracer allows students to practice networking concepts in a simulated environment without needing expensive hardware or risking damage to networks. The tool also allows students to experiment with network topologies and configurations and observe the effects of their changes in real-time. Download