14
9.4.1. CoS Queuing Function and Behavior............................................................................................................... 239
9.4.1.1. Trusted Port Queue Mappings .................................................................................................................... 239
9.4.1.2. Un-trusted Port Default Priority ................................................................................................................. 239
9.4.1.3. Queue Configuration .................................................................................................................................. 239
9.4.1.4. Traffic Class Groups .................................................................................................................................... 240
9.4.2. Configuring CoS Queuing and ETS .................................................................................................................. 240
9.5. Enhanced Transmission Selection ........................................................................................ 243
9.5.1. ETS Operation and Dependencies ................................................................................................................... 243
9.6. VXLAN Gateway Operation and Configuration .................................................................... 243
9.6.1. Overview ......................................................................................................................................................... 243
9.6.1.1. VXLAN ......................................................................................................................................................... 244
9.6.2. Functional Description .................................................................................................................................... 244
9.6.2.1. VTEP to VN Association .............................................................................................................................. 244
9.6.2.2. Configuration of Remote VTEPs .................................................................................................................. 245
9.6.2.3. VTEP Nex-hop Resolution ........................................................................................................................... 246
9.6.2.4. VXLAN UDP Destination Port ...................................................................................................................... 246
9.6.2.5. Tunnels ....................................................................................................................................................... 246
9.6.2.6. MAC Learning and Aging ............................................................................................................................ 247
9.6.2.7. Host Configuration ..................................................................................................................................... 247
9.6.2.8. ECMP .......................................................................................................................................................... 248
9.6.2.9. MTU ............................................................................................................................................................ 248
9.6.2.10. TTL and DSCP/TOS ...................................................................................................................................... 248
9.6.2.11. Packet Forwarding ...................................................................................................................................... 249
9.6.3. VXLAN Configuration Examples ...................................................................................................................... 249
9.6.3.1. Unicast VXLAN Configuration ..................................................................................................................... 250
Appendix A: Term and Acronyms .................................................................... 254