Network Virtualization using Extreme Fabric Connect

Table Of Contents
Network Virtualization Using Extreme Fabric Connect
© 2019 Extreme Networks, Inc. All rights reserved. 2
Table of Contents
Conventions .................................................................................................................................................................................... 8
Introduction .................................................................................................................................................................................... 9
Reference Architecture ............................................................................................................................................................... 11
Shortest Path Bridging Fabric ......................................................................................................................................................11
Layer 3 Virtualization Overview ................................................................................................................................................ 14
Layer 2 Virtualization Overview.................................................................................................................................................. 17
Data Center Virtualization Overview ....................................................................................................................................... 19
Fabric Connect Positioning ..........................................................................................................................................................21
TRILL and Derivatives ....................................................................................................................................................................................................21
Ethernet VPN................................................................................................................................................................................................................... 22
Cisco’s Campus Fabric ................................................................................................................................................................................................ 25
Guiding Principles ....................................................................................................................................................................... 27
Fabric Connect and Fabric Attach ........................................................................................................................................... 30
Fabric Extend ................................................................................................................................................................................... 32
Data Center Architecture ............................................................................................................................................................ 34
Architecture Components ....................................................................................................................................................... 39
User to Network Interface ........................................................................................................................................................... 39
Network to Network Interface .................................................................................................................................................. 39
Backbone Core Bridge ................................................................................................................................................................. 40
Backbone Edge Bridge................................................................................................................................................................. 40
Customer MAC Address ............................................................................................................................................................... 41
Backbone MAC Address ............................................................................................................................................................... 41
SMLT-Virtual-BMAC ....................................................................................................................................................................... 41
IS-IS Area ........................................................................................................................................................................................... 42
IS-IS System ID ................................................................................................................................................................................ 42
IS-IS Overload Function ............................................................................................................................................................... 43
SPB Bridge ID ................................................................................................................................................................................... 43
SPBM Nick-name ............................................................................................................................................................................ 43
Dynamic Nick-name Assignment ............................................................................................................................................. 44
Customer VLAN .............................................................................................................................................................................. 44
Backbone VLAN .............................................................................................................................................................................. 44
Virtual Services Networks ........................................................................................................................................................... 45
I-SID ..................................................................................................................................................................................................... 46
Inter-VSN Routing .......................................................................................................................................................................... 46
Fabric Area Network ..................................................................................................................................................................... 47