NTP JUNOS

NTP

NTP protokollen bruges til at holde tiden synkroniseret på alt udstyret.

Konfigration på Juniper

Konfigureres under system ntp. her er både konfigureret en synkroniserings server og en opstarts server.

[edit system]
rael@SRX240# <input>show</input>
ntp {
    boot-server 83.90.47.30;
    server 83.90.47.30;
}

[edit system]
rael@SRX240# <input>commit</input>

Verificering

Se om NTP synkroniserer

rael@SRX240> show ntp associations
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
*cpe.atm2-0-7514 193.200.91.90    3 -   43   64  <notice>377    1.377    1.735   0.947</notice>

Og at klokken er sat rigtigt:

rael@SRX240> <input>show system uptime</input>
Current time: <notice>2014-10-16 15:22:23 CEST</notice>
System booted: 2014-10-16 13:48:28 CEST (01:33:55 ago)
Protocols started: 2014-10-16 13:50:23 CEST (01:32:00 ago)
Last configured: 2014-10-16 15:08:43 CEST (00:13:40 ago) by rael
 3:22PM  up 1:34, 1 user, load averages: 0.04, 0.07, 0.06

Flere NTP kommandoer

taget direkte fra help reference.

rael@SRX240> <input>help reference system ntp</input>
                                      ntp

    Syntax

   ntp {
           authentication-key number type type value password;
           <notice>boot-server address;</notice>
           broadcast <address> <key key-number> <version value> <ttl value>;
           broadcast-client;
           multicast-client <address>;
           peer address <key key-number> <version value> <prefer>;
           <notice>server address <key key-number> <version value> <prefer>;
           source-address source-address;</notice>
           trusted-key [ key-numbers ];

   }

    Hierarchy Level

   [edit system]