Why This Cheat Sheet Matters for DCCOR
This cheat sheet covers the most important VXLAN with BGP EVPN concepts tested on the DCCOR (DCCOR) certification exam. It contains 1 sections with 6 key points that you should memorize before exam day. Use this as a quick-reference guide during your final review sessions.
1Sections
6Key Points
Key Concepts
- VXLAN encapsulates L2 frames in UDP (port 4789).
- 24-bit VNI supports ~16 million segments (vs 4K VLANs).
- VTEP (VXLAN Tunnel Endpoint) performs encap/decap.
- BGP EVPN is the control plane for VXLAN — distributes MAC/IP info.
- Spine-leaf topology: every leaf connects to every spine. No STP needed.
- ARP suppression reduces flooding in VXLAN fabrics.
Practice VXLAN with BGP EVPN Questions
Put your knowledge to the test with practice questions.
Cisco Command Quick Reference
Cisco IOS commands follow a hierarchical structure: User EXEC mode (>), Privileged EXEC mode (#), Global Configuration mode (config)#, and Interface Configuration mode (config-if)#. Master the transitions between these modes and the key "show" commands for each technology area — they are heavily tested on every Cisco exam.