System information

Contents
ix
Testing RF Carrier Modulation 6-19
Configuring an Upstream Channel 6-19
Initial Upstream Configuration Tasks 6-21
Setting the Upstream Frequency 6-21
Setting the Upstream Power Level 6-22
Applying an Upstream Modulation Profile 6-24
Enforcing the Upstream CM Rate Limit 6-25
Enabling an Upstream Port 6-26
Managing the Upstream Channel 6-27
Configuring Upstream CM Registration Parameters 6-27
Adjusting for Physical Delay between Cable Interface and CMs 6-31
Activating Upstream Forward Error Correction 6-32
Activating the Scrambler on the Upstream Channel 6-33
Enabling Pre-equalization 6-33
Forcing the Fragmentation of Large Upstream Packets 6-34
Disabling an Upstream Port 6-34
Configuring the Upstream Channel Descriptor 6-35
Limiting the Number of Voice Calls on an Upstream Channel 6-35
Bundling Cable Interfaces into a Single IP Subnet 6-36
Creating a Cable Bundle 6-37
Adding a Static Arp Entry to a Cable Bundle Interface 6-40
Subneting DHCP Clients on the Cable Interface 6-40
Creating a Modulation Profile 6-41
Setting Network Parameters for Cable Modems 6-43
Enabling the CM Aging Timer 6-44
Setting the Insertion Interval for CMs 6-44
Setting the Synchronization Interval 6-45
Setting CM Authentication Parameters 6-46
Restoring Previously Defined Authentication Parameters 6-47
Denying Access to a Cable Modem 6-48
Setting the Maximum Number of Hosts 6-48
Configuring Baseline Privacy 6-49
Setting TEK Privacy 6-50
Setting Authorization Key Values 6-52