HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Con - Page 23
Configuring access control rights, Configuring NTP authentication
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Step 3. Configure the device to operate in multicast server mode. Command • Configure the device to operate in multicast server mode: ntp-service multicast-server [ ip-address ] [ authentication-keyid keyid | ttl ttl-number | version number ] * • Configure the device to operate in multicast server mode: ntp-service ipv6 multicast-server ipv6-multicast-address [ authentication-keyid keyid | ttl ttl-number ] * Remarks By default, the device does not operate in multicast server mode. After you execute the command, the device sends NTP multicast messages from the specified VLAN interface. Configuring access control rights Before you configure the NTP service access control right to the local device, create and configure an ACL associated with the access control right. For more information about ACL, see ACL and QoS Configuration Guide. To configure access control rights: Step 1. Enter system view. 2. Configure the NTP service access control right for a peer device to access the local device. Command system-view • Configure the NTP service access control right for a peer device to access the local device ntp-service access { peer | query | server | synchronization } acl-number • Configure the IPv6 NTP service access control right for a peer device to access the local device ntp-service ipv6 { peer | query | server | synchronization } acl acl-number Remarks N/A By default, the NTP service access control right for a peer device to access the local device is peer. Configuring NTP authentication This section provides instructions for configuring NTP authentication. Configuring NTP authentication in client/server mode When you configure NTP authentication in client/server mode, enable NTP authentication, configure an authentication key, set the key as a trusted key on both client and server, and associate the key with the 17