Cisco IPS-4255-K9 Installation Guide - Page 45
For the AIM IPS and the NME IPS, For the AIP SSM
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Chapter 1 Introducing the Sensor Time Sources and the Sensor Here is a summary of ways to set the time on sensors: • For appliances - Use the clock set command to set the time. This is the default. - Use NTP-You can configure the appliance to get its time from an NTP time synchronization source. • For the IDSM2 - The IDSM2 can automatically synchronize its clock with the switch time. This is the default. The UTC time is synchronized between the switch and the IDSM2. The time zone and summertime settings are not synchronized between the switch and the IDSM2. Note Be sure to set the time zone and summertime settings on both the switch and the IDSM2 to ensure that the UTC time settings are correct. The local time of the IDSM2 could be incorrect if the time zone and/or summertime settings do not match between the IDSM2 and the switch. - Use NTP-You can configure the IDSM2 to get its time from an NTP time synchronization source. • For the AIM IPS and the NME IPS - The AIM IPS and the NME IPS can automatically synchronize their clock with the clock in the router chassis in which they are installed (parent router). This is the default. The UTC time is synchronized between the parent router and the AIM IPS and the NME IPS. The time zone and summertime settings are not synchronized between the parent router and the AIM IPS and the NME IPS. Note Be sure to set the time zone and summertime settings on both the parent router and the AIM IPS and the NME IPS to ensure that the UTC time settings are correct. The local time of the AIM IPS and the NME IPS could be incorrect if the time zone and/or summertime settings do not match between the AIM IPS and the NME IPS and the router. - Use NTP-You can configure the AIM IPS and the NME IPS to get their time from an NTP time synchronization source, such as a Cisco router, other than the parent router. • For the AIP SSM - The AIP SSM can automatically synchronize its clock with the clock in the adaptive security appliance in which it is installed. This is the default. The UTC time is synchronized between the adaptive security appliance and the AIP SSM. The time zone and summertime settings are not synchronized between the adaptive security appliance and the AIP SSM. Note Be sure to set the time zone and summertime settings on both the adaptive security appliance and the AIP SSM to ensure that the UTC time settings are correct. The local time of the AIP SSM could be incorrect if the time zone and/or summertime settings do not match between the AIP SSM and the adaptive security appliance. - Use NTP-You can configure the AIP SSM to get its time from an NTP time synchronization source, such as a Cisco router other than the parent router. OL-18504-01 Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0 1-27