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Configuration Guide - Virtualization

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of virtualization, including stack and VS.

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Stack Port and Cable Requirements

Stack Port and Cable Requirements

Stack Port Requirements

Table 1-3 lists ports used for stack connections.

Table 1-3 Stack port requirements

Item

Requirement

Remarks

Type of ports used for stack connections

  • 10GE optical ports
  • 10GE electrical ports
  • 40GE optical ports
  • 100GE optical ports

All ports except GE ports can be used for stack connections.

Number of stack member ports in a stack port

1-32

It is recommended that you add at least two stack member ports to a stack port to improve stack link bandwidth and reliability.

It is recommended that the number of member ports is the nth power of 2; otherwise, traffic may fail to be load balanced.

NOTE:
  • Stack member ports in a stack port must be the same type. For example, 10GE and 40GE ports cannot be added to the same stack port.

  • 10GE optical ports and 10GE electrical ports can be added to the same stack port.

  • 10GE optical ports derived from 40GE optical ports can be used for stack connections. If 40GE optical ports have been configured as stack member ports, they cannot be split.

  • In V100R003C00 and V100R003C10, 10GE or 40GE optical ports derived from 100GE optical ports cannot be used for stack connections. In V100R005C00 and later versions, 10GE, 25GE, or 40GE optical ports derived from 100GE optical ports can be used for stack connections.

  • After 100GE QSFP28 optical ports have 100GE high-speed cables installed and are configured to work at the rate of 40GE using the speed 40000 command, these ports cannot be used for stack connections. If these ports have 40GE optical modules or high-speed cables (40GE auto-sensing), they can be used for stack connections.

  • On the CE12800S, CE-L36CQ-FD card cannot be used for stacking.

Stack Cable Requirements

Stack setup requires only common network cables or fibers but not dedicated stack cables. Optical ports are connected using high-speed cables, AOC cables or optical modules and optical fibers; electrical ports are connected using Category 6, Category 6A, or Category 7 cables. For details about cables and optical modules, see "Cables" and "Optical Modules" in the CloudEngine 12800 and 12800E Series Switches Get to Know the Product - Hardware Description.

When setting up a stack, ensure that optical modules and cables on ports used for stack connections are properly installed and these ports are Up.

NOTE:
  • 10GE optical ports can be used for stack connections only when they have 10GE optical modules installed. If GE optical or copper modules are installed on 10GE optical ports, the ports cannot be used to set up a stack.

  • SIP ports can be connected using network cables or LC fibers. When LC fibers are used, GE optical modules must be installed on SIP ports.

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Updated: 2019-03-21

Document ID: EDOC1000166610

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