Rockwell-automation Ethernet Design Considerations Reference Manual Instrukcja Użytkownika Pobierz pdf (Strona 47)

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 47

Ethernet Infrastructure Features Chapter 3

Resiliency Protocols

• Spanning Tree Protocol (STP), Rapid STP (RSTP), Multiple Instance

STP (MSTP)

– Stratix 8000 and Stratix 8300–MSTP default

– Rapid Per VLAN Spanning Tree Plus (rPVST+); Cisco Technology

• Resilient Ethernet Protocol (REP); Cisco Technology

• EtherChannel Link Aggregation Control Protocol (LACP); IEEE

• Flex Links; Cisco Technology

• Device-level ring; topology option

Resiliency Protocol Mixed Vendor Ring Redundant Star Network Convergence

> 250 ms

Network Convergence

> 70 ms

Network Convergence

> 1 ms

STP X X X

RSTP X X X

MSTP X X X X

PVST+ X X X

REP X X

EtherChannel X X X

Flex Links X X X

DLR X X X

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Rockwell-automation Ethernet Design Considerations Reference Manual Instrukcja Użytkownika Strona 47