Cisco ACE-4710-K9 Administration Guide - Page 49
Viewing NTP Statistics and Information
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Chapter 1 Setting Up the ACE Synchronizing the ACE with an NTP Server • prefer-(Optional) Makes this server the preferred server that provides synchronization. The prefer keyword sets this NTP server as the preferred server if multiple servers have similar accuracy. NTP uses an algorithm to determine which server is the most accurate and synchronizes to that one. If servers have similar accuracy, then the prefer keyword specifies which server to use. For example, to specify multiple NTP server IP addresses and identify a preferred server, enter: host1/Admin(config)# ntp server 192.168.10.10 prefer host1/Admin(config)# ntp server 192.168.4.143 host1/Admin(config)# ntp server 192.168.5.10 For example, to form a peer association with a preferred peer, enter: host1/Admin(config)# ntp peer 192.168.10.0 prefer To remove an NTP peer or server from the configuration, use the no form of this command. For example: host1/Admin(config)# no ntp peer 192.168.10.0 Viewing NTP Statistics and Information You can configure the ACE to display the following NTP statistics and information: • NTP peer statistics • Input/output statistics • Counters maintained by the local NTP • Counters related to the memory code • Listing of all associated peers The syntax of this command is as follows: show ntp {peer-status | peers | statistics [io | local | memory | peer ip_address] OL-11157-01 Cisco 4700 Series Application Control Engine Appliance Administration Guide 1-23