Manuale d’uso / di manutenzione del prodotto SMC-169 del fabbricante Cisco Systems
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SMC-169 Cisco IOS XR System Management Configuration Guide Implementing NTP on Cisco IOS XR Software Network T ime Protocol (NTP) is a protocol designed to time-synchronize de vices within a network.
Implementing NTP on Cisco IOS XR Software Prerequisites for Implementing NTP on Cisco IOS XR Software SMC-170 Cisco IOS XR System Management Configuration Guide Prerequisites for Implementing NTP on C.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-171 Cisco IOS XR System Management Configuration Guide The communications between machines running NTP (know.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-172 Cisco IOS XR System Management Configuration Guide The follo wing are two most commonly used, poll-based.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-173 Cisco IOS XR System Management Configuration Guide Configuring Broadcast-Based NTP Associations This task explains ho w to conf igure broadcast-based NTP associations.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-174 Cisco IOS XR System Management Configuration Guide When a networking de vice is operating in the br oadcastclient mode , it does not engage in any polling.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-175 Cisco IOS XR System Management Configuration Guide Configuring NTP Access Groups This task explains ho w to conf igure NTP access groups. Note No specif ic command enables NTP; the f irst NTP conf iguration command that you issue enables NTP .
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-176 Cisco IOS XR System Management Configuration Guide If the source IP address matches the access lists for more than one access type, the f irst type is granted.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-177 Cisco IOS XR System Management Configuration Guide Step 3 access-group { peer | query-only | serve | ser.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-178 Cisco IOS XR System Management Configuration Guide Configuring NTP Authentication This task explains ho w to conf igure NTP authentication. Note No specif ic command enables NTP; the f irst NTP conf iguration command that you issue enables NTP .
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-179 Cisco IOS XR System Management Configuration Guide DETAILED STEPS Command or Action Purpose Step 1 configure Example: RP/0/RP0/CPU0:router# configure Enters global conf iguration mode.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-180 Cisco IOS XR System Management Configuration Guide Disabling NTP Services on a Specific Interface This task explains ho w to disable NTP services on a specif ic interface.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-181 Cisco IOS XR System Management Configuration Guide Step 3 no interface type instance or interface type i.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-182 Cisco IOS XR System Management Configuration Guide Configuring the Source IP Address for NTP Packets This task explains ho w conf igure the source IP address for NTP packets.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-183 Cisco IOS XR System Management Configuration Guide Step 3 source interface-type interface-instance Example: RP/0/RP0/CPU0:router(config-ntp)# source POS 0/0/0/1 Conf igures an interface from which the IP source address will be taken.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-184 Cisco IOS XR System Management Configuration Guide Configuring the System as an Authoritative NTP Server This task explains ho w to conf igure the router as an authoritati ve NTP server .
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-185 Cisco IOS XR System Management Configuration Guide Updating the Hardware Clock This task explains ho w to conf igure the hardware clock to be periodically updated from the software clock running NTP .
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-186 Cisco IOS XR System Management Configuration Guide SUMMARY STEPS 1.
Implementing NTP on Cisco IOS XR Software How to Implement NTP on Cisco IOS XR Software SMC-187 Cisco IOS XR System Management Configuration Guide Verifying the Status of the External Reference Clock This task explains ho w to verify the status of NTP components.
Implementing NTP on Cisco IOS XR Software Configuration Examples for Implementing NTP on Cisco IOS XR Software SMC-188 Cisco IOS XR System Management Configuration Guide Configuration Examples for Imp.
Implementing NTP on Cisco IOS XR Software Configuration Examples for Implementing NTP on Cisco IOS XR Software SMC-189 Cisco IOS XR System Management Configuration Guide Configuring NTP Access Groups:.
Implementing NTP on Cisco IOS XR Software Configuration Examples for Implementing NTP on Cisco IOS XR Software SMC-190 Cisco IOS XR System Management Configuration Guide • The router is conf igured to synchronize only to systems providing authentication k ey 3 in their NTP packets.
Implementing NTP on Cisco IOS XR Software Additional References SMC-191 Cisco IOS XR System Management Configuration Guide Updating the Hardware Clock: Example The following e xample shows an NTP conf iguration in which the router is conf igured to update its hardware clock from the software clock at periodic interv als: ! ntp server 10.
Implementing NTP on Cisco IOS XR Software Additional References SMC-192 Cisco IOS XR System Management Configuration Guide RFCs Technical Assistance RFCs T itle RFC 1305 Network T ime Protocol, V ersi.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cisco Systems SMC-169 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cisco Systems SMC-169 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems SMC-169 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems SMC-169 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems SMC-169, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cisco Systems SMC-169.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems SMC-169. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems SMC-169 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.