H3C S5500-EI Series Command Manual

Also see for S5500-EI series: Operation manual Operation manual Configuration guide Operation manual – port security Configuration guide

Contents

H3C S5500-EI Series Command Manual Manual pdf 13 page image

Command Manual – NTPH3C S5500-EI Series Ethernet Switches Chapter 1 NTP Configuration Commands1-12authentication-keyid keyid: Specifies the key ID to be used for sending multicastmessages to multicast clients, where keyid is in the range of 1 to 4294967295. Thisparameter is not meaningful if authentication is not required.ttl ttl-number: Specifies the TTL of NTP multicast messages, where ttl-number is in therange of 1 to 255 and defaults to 16.version number: Specifies the NTP version, where number is in the range of 1 to 3 anddefaults to 3.DescriptionUse the ntp-service multicast-server command to configure the device to work in theNTP multicast server mode.Use the undo ntp-service multicast-server command to remove the device as anNTP multicast server.Examples# Configure the device to work in the multicast server mode and send NTP multicastmessages on VLAN-interface 1 to the multicast address 224.0.1.1, using key 4 forencryption, and set the NTP version to 3. system-view[Sysname] interface vlan-interface 1[Sysname-Vlan-interface1] ntp-service multicast-server 224.0.1.1 version 3authentication-keyid 41.1.13 ntp-service reliable authentication-keyidSyntaxntp-service reliable authentication-keyid keyidundo ntp-service reliable authentication-keyid keyidViewSystem viewParameterskeyid: Authentication key number, in the range of 1 to 4294967295.DescriptionUse the ntp-service reliable authentication-keyid command to specify that thecreated authentication key is a trusted key. When NTP authentication enabled, a clientcan be synchronized only to a server that can provide a trusted authentication key.Use the ntp-service reliable authentication-keyid command to remove anauthentication key as a trusted key.

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