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Configuration Guide - Reliability

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Licensing Requirements and Limitations for Smart Link and Monitor Link

Licensing Requirements and Limitations for Smart Link and Monitor Link

Involved Network Elements

Other network elements must also support Smart Link and Monitor Link functions.

Licensing Requirements

Smart Link and Monitor Link are basic features of a Huawei switch and are not under license control.

Version Requirements

Table 5-4 Products and minimum version supporting Smart Link and Monitor Link

Product

Minimum Version Required

CE5850EI

V100R002C00

CE5810EI

V100R002C00

CE5850HI

V100R003C00

CE5855EI

V100R005C10

CE5880EI

V200R005C10

CE6850EI

V100R002C00

CE6810EI

V100R003C00

CE6810-48S4Q-LI/CE6810-48S-LI

V100R003C10

CE6810-32T16S4Q-LI/CE6810-24S2Q-LI

V100R005C10

CE6850-48S6Q-HI

V100R005C00

CE6850-48T6Q-HI

V100R005C10

CE6850U-HI

V100R005C10

CE6851HI

V100R005C10

CE6855HI

V200R001C00

CE6870-24S6CQ-EI/CE6870-48S6CQ-EI

V200R001C00

CE6870-48T6CQ-EI

V200R002C50

CE6856HI

V200R002C50

CE6860EI

V200R002C50

CE6880EI

V200R002C50

CE6875EI

V200R003C00

CE6865EI

V200R005C00

CE6857EI

V200R005C10

CE7850EI

V100R003C00

CE7855EI

V200R001C00

CE8868EI

V200R005C10

CE8861EI

V200R005C10

CE8860EI

V100R006C00

CE8850-32CQ-EI

V200R002C50

CE8850-64CQ-EI

V200R005C00

Feature Limitations

  • An interface cannot be added to a Smart Link group in the following situations:
    • STP is running on the interface.
    • The interface has been added to a Monitor Link group.
    • The interface has been added to another Smart Link group.
  • After the device has been enabled to send Flush packets, member interfaces of a Smart Link group cannot be added to the control VLAN. You must configure the member interfaces to allow the control VLAN.

  • STP must be disabled on the remote interface of the Smart Link group.

  • If interfaces are not configured to send and receive Flush packets, a Smart Link group uses the aging mechanism to update MAC address entries and ARP entries, causing slow convergence. Ensure fast convergence by configuring the device to send and receive Flush packets when a Smart Link group is configured.

  • You must enable revertive switching of Smart Link before you enable Smart Link. If Smart Link is already enabled, revertive switching can be configured only after Smart Link has been disabled.

  • When uplink ports go Down, the Monitor Link configuration is deleted. Downlink ports cannot go Up after they have been set to Error-Down state. Run the shutdown and undo shutdown commands on the downlink ports to manually make them go Up.

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Updated: 2019-04-03

Document ID: EDOC1100075366

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