Instruction/ maintenance manual of the product SMC-169 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.
An important point after buying a device Cisco Systems SMC-169 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems SMC-169 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems SMC-169 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems SMC-169 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems SMC-169 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems SMC-169, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems SMC-169.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems SMC-169. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems SMC-169 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
