Operation Manual – NTPH3C S5600 Series Ethernet Switches Chapter 1 NTP Configuration1-15To do… Use the command… RemarksConfigure an NTPauthentication keyntp-serviceauthentication-keyidkey-idauthentication-mode md5valueRequiredBy default, no NTPauthentication key isconfigured.Configure the specifiedkey as a trusted keyntp-service reliableauthentication-keyidkey-idRequiredBy default, no trustedauthentication key isconfigured.Enter VLAN interface view interface Vlan-interfacevlan-id —Configure onthe NTPbroadcastserverntp-servicebroadcast-serverauthentication-keyidkey-idAssociatethespecifiedkey withthecorrespondingbroadcast/multicastclientConfigure onthe NTPmulticastserverntp-servicemulticast-serverauthentication-keyidkey-idz In NTP broadcastserver mode andNTP multicast servermode, you need toassociate thespecified key withthe correspondingbroadcast/multicastclientz You can associatean NTPbroadcast/multicastclient with anauthentication keywhile configuringNTP mode. You canalso use thiscommand toassociate them afterconfiguring the NTPmode.Note:The procedure for configuring NTP authentication on the server is the same as that onthe client. Besides, the client and the server must be configured with the sameauthentication key.1.6 Configuring Optional NTP ParametersComplete the following tasks to configure optional NTP parameters:
