Design Reference

Contents
Chapter 1: Introduction............................................................................................................ 7
Purpose..................................................................................................................................
7
Related resources................................................................................................................... 7
Support................................................................................................................................ 10
Chapter 2: New in this release............................................................................................... 12
Features............................................................................................................................... 12
Other changes...................................................................................................................... 13
Chapter 3: Network design fundamentals............................................................................ 14
Chapter 4: Hardware fundamentals and guidelines............................................................ 16
Supported hardware.............................................................................................................. 16
Platform considerations......................................................................................................... 16
Platform power supplies................................................................................................... 16
Device cooling................................................................................................................ 17
Power specifications for VSP 4000 switches 4850GTS series and 4450GSX series.............. 18
VSP 4000 power supply power specification...................................................................... 19
DC power supply specifications........................................................................................ 22
Hardware compatibility for VSP 4000...................................................................................... 22
Supported optical devices ..................................................................................................... 25
Dispersion considerations for long reach................................................................................. 29
10/100BASE-X and 1000BASE-TX reach................................................................................ 30
10/100/1000BASE-TX Auto-Negotiation recommendations....................................................... 30
Auto MDIX............................................................................................................................ 31
CANA................................................................................................................................... 32
Chapter 5: Optical routing design......................................................................................... 33
Optical routing system components........................................................................................ 33
Chapter 6: Platform redundancy........................................................................................... 35
Power redundancy................................................................................................................ 35
Input/output port redundancy.................................................................................................. 36
Configuration redundancy...................................................................................................... 36
Link redundancy.................................................................................................................... 37
Chapter 7: Link redundancy.................................................................................................. 38
Physical layer redundancy..................................................................................................... 38
MultiLink Trunking................................................................................................................. 42
802.3ad-based link aggregation.............................................................................................. 43
Chapter 8: Layer 2 loop prevention....................................................................................... 45
Loop prevention and detection................................................................................................ 45
SLPP example scenarios....................................................................................................... 47
Chapter 9: Spanning tree....................................................................................................... 52
4 Network Design Reference for Avaya VSP 4000 Series January 2015
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