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Manual Black Box LE2721C Switch

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Manual

724-746-5500 | blackbox.com

Page 5

Table of Contents

1. Specifications .........................................................................................................................................................................8

2. Overview .............................................................................................................................................................................10

2.1 Introduction ................................................................................................................................................................. 10

2.2 Features ....................................................................................................................................................................... 10

2.3 What’s Included .......................................................................................................................................................... 11

2.4 Hardware Description .................................................................................................................................................. 12

3. Hardware Installation ........................................................................................................................................................... 16

3.1 Rackmount Installation ................................................................................................................................................ 16

3.2 Module Installation ......................................................................................................................................................16

3.2.1 RJ-45 Module (LE2720C) ....................................................................................................................................16

3.2.2 SFP Module (LE2721C) ....................................................................................................................................... 17

3.2.3 100/1000 Mbps SFP Module (LE2722C) or 10G SFP+ Module (LE2731C) ..............................................................17

3.2.4 Power Module .................................................................................................................................................. 18

3.3 Wiring ......................................................................................................................................................................... 19

3.3.1 Grounding .......................................................................................................................................................... 19

3.3.2 Fault Relay .......................................................................................................................................................... 19

3.3.3 Redundant Power Inputs .................................................................................................................................... 19

3.4 Connection ..................................................................................................................................................................20

3.4.1 Cables .................................................................................................................................................................20

3.4.2 SFP .....................................................................................................................................................................22

3.4.3 B-Ring/B-Chain ..................................................................................................................................................22

4. Redundancy.........................................................................................................................................................................25

4.1 B-Ring .........................................................................................................................................................................25

4.1.1 Introduction ........................................................................................................................................................ 25

4.1.2 Configurations ....................................................................................................................................................25

4.2 B-Chain ....................................................................................................................................................................... 26

4.2.1 Introduction ........................................................................................................................................................26

4.2.2 Configurations ....................................................................................................................................................26

4.3 MRP .............................................................................................................................................................................26

4.3.1 Introduction ........................................................................................................................................................26

4.3.2 Configurations ....................................................................................................................................................26

4.4 STP/RSTP/MSTP ........................................................................................................................................................... 27

4.4.1 STP/RSTP ............................................................................................................................................................27

4.4.2 MSTP ..................................................................................................................................................................30

4.4.3 CIST ....................................................................................................................................................................33

4.5 Fast Recovery ............................................................................................................................................................... 34

5. Management .......................................................................................................................................................................35

5.1 Basic Settings ...............................................................................................................................................................36

5.1.1 System Information .............................................................................................................................................36

5.1.2 Admin and Password ..........................................................................................................................................37

5.1.3 Authentication .................................................................................................................................................... 37

5.1.4 IP Settings ........................................................................................................................................................... 38

5.1.5 IPv6 Settings .......................................................................................................................................................39

5.1.6 HTTPS .................................................................................................................................................................39

5.1.7 SSH .....................................................................................................................................................................40

5.1.8 LLDP ...................................................................................................................................................................40

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