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Configuration Guide - Device Management

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.

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Licensing Requirements and Limitations for NTP

Licensing Requirements and Limitations for NTP

Involved Network Elements

Other network elements are required to support NTP.

Licensing Requirements

NTP is a basic feature of CloudEngine 8800, 7800, 6800, and 5800 series switches and is not under license control.

Version Requirements

Table 4-1 Products and minimum version supporting NTP

Product Model

Minimum Version Required

CE8868EI/CE8861EI

V200R005C10

CE8860EI

V100R006C00

CE8850-32CQ-EI

V200R002C50

CE8850-64CQ-EI

V200R005C00

CE7850EI

V100R003C00

CE7855EI

V200R001C00

CE6810EI

V100R003C00

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

V100R003C10

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

V100R005C10

CE6850EI

V100R001C00

CE6850-48S6Q-HI

V100R005C00

CE6850-48T6Q-HI/CE6850U-HI/CE6851HI

V100R005C10

CE6855HI

V200R001C00

CE6857EI

V200R005C10

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

V200R001C00

CE6870-48T6CQ-EI/CE6860EI/CE6856HI/CE6880EI

V200R002C50

CE6881/CE6820/CE6863

V200R005C20

CE6875EI

V200R003C00

CE6865EI

V200R005C00

CE5810EI

V100R002C00

CE5850EI

V100R001C00

CE5850HI

V100R003C00

CE5855EI

V100R005C10

CE5880EI

V200R005C10

Feature Limitations

  • The existing configuration is not deleted when the NTP service function is disabled.

  • A device supports a total of 128 multicast servers, peers, unicast servers, 1024 NTP authentication keys, and 1024 multicast clients. However, only 128 multicast clients can take effect simultaneously.

  • A maximum of 128 sessions can be established on the same device running the NTP service, including static and dynamic sessions.

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Updated: 2020-01-07

Document ID: EDOC1100075362

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