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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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S5720EI Service Port Stacking Support

S5720EI Service Port Stacking Support

NOTE:
  • For the cables that can be used as stack cables, see "Cables" in the Hardware Description. Using other cables may cause exceptions in the stack system, for example, frequent error-down events on stack ports.
  • Combo ports cannot function as stack member ports.
  • For stacking-supported service ports, some of them can be used as stack ports, whereas some can be used as ordinary service ports.
  • In V200R009C00 and later versions, if MPLS-incapable S5720EIs exist in a stack, this stack cannot have MPLS enabled. If member devices in a stack are running MPLS services, adding MPLS-incapable S5720EIs to the stack is not allowed. To check whether S5720EIs support MPLS, run the display device capability command.
  • The number of stacked switches is recommended to be 2 to 9.
Table 9-15  Service port stacking support

Device Series

Port Supporting Stacking Stack Cable Rate of a Single Port

Remarks

S5720EI

Optical ports on a 2-port 10GE optical interface card
  • 1 m and 3 m SFP+ passive high-speed copper cables
  • 5 m SFP+ passive high-speed copper cables (supported in V200R009 and later versions)
  • 10 m SFP+ active high-speed copper cables
  • 3 m and 10 m AOC cables
  • 10GE SFP+ optical module and optical fiber
10 Gbit/s
  • Any models of the S5720EI series can set up a stack.
  • A switch supports a maximum of two logical stack ports, and each logical stack port contains one or two stack member ports. Each switch can use a maximum of two service ports as stack member ports.
Electrical ports on a 2-port 10GE electrical interface card

Category 6A or higher network cables (If Category 6 cables are used, ensure that the cables meet requirements of TSB-155.)

10 Gbit/s
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Updated: 2019-09-23

Document ID: EDOC1000178167

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