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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 Stack Card Stacking Support

S5720EI Stack Card 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.
  • S5720EI series switches are classified into S5720-C-EI, S5720-PC-EI, S5720-X-EI, and S5720-P-EI based on their uplink interface types.
  • 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 9-14  Stack card stacking support

Device Series

Port Supporting Stacking Stack Cable

Remarks

S5720-C-EI and S5720-PC-EI

Two ports on each ES5D21VST000 stack card
  • 1 m, 3 m, 5 m QSFP+ passive high-speed cables
  • QSFP+ optical module (only QSFP-40G-SR4 and QSFP-40G-iSR4 supported) and matching optical fiber
Any models of the S5720EI series can set up a stack.

S5720-X-EI and S5720-P-EI

Two ports fixed on the rear panel
  • 1 m, 3 m, 5 m QSFP+ passive high-speed cables
  • QSFP+ optical module (only QSFP-40G-SR4 and QSFP-40G-iSR4 supported) and matching optical fiber
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Updated: 2019-03-28

Document ID: EDOC1000178167

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