Cisco DNCS System Release 2.7 3.7 4.2 安装指南
Appendix A
Add the updateOUI Utility to the Chrontab File
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78-4003052-01 Rev G
Overview
Prior to the introduction of PowerTV OS 3.1, Cisco DHCTs signed on to the DBDS
network using the OUI identifiers of 00:01:A6, 00:40:7B, or 00:02:DE.
Note: The OUI refers to the first three octets of a MAC address.
Starting with PowerTV OS 3.1, all Cisco DHCTs sign on to the network using the
Note: The OUI refers to the first three octets of a MAC address.
Starting with PowerTV OS 3.1, all Cisco DHCTs sign on to the network using the
OUI identifier of 00:02:DE, regardless of the DHCT MAC address. Cisco developed
the updateOUI utility to modify the DNCS database so that DHCTs with OUI
identifiers of 00:01:A6 and 00:40:7B are changed to 00:02:DE.
System operators must run the updateOUI utility between the time when EMMs are
System operators must run the updateOUI utility between the time when EMMs are
loaded and when two-way communication is expected from the DHCT. Cisco
recommends that system operators establish a cron job to run the utility periodically
throughout the day.
During normal operations, this schedule for running the cron job should be
During normal operations, this schedule for running the cron job should be
sufficient to avoid issues with establishing two-way communication.