Cisco DNCS System Release 2.7 3.7 4.2 Design Guide
4000358 Rev B
Security Recommendations for the DBDS Network in a DOCSIS Environment
3-9
Data Paths and Traffic Flows,
Continued
Data Path
Flow
Description
Allowed or Denied
2
2.1
Registered integrated cable modem -
Registered integrated cable modem
(across same/different CMTS)
Denied
2.2
Registered integrated cable modem -
Unregistered/Registered stand-alone
cable modem (across same/different
CMTS)
Denied
2.3
Registered integrated cable modem -
Unsubscribed/Subscribed PC CPE
(across same/different CMTS)
Denied
2.4
Registered integrated cable modem -
DHCT CPE (across same/different
CMTS)
Denied
2.5
Unregistered/Registered stand-alone
cable modem - DHCT CPE (across
same/different CMTS)
Denied
2.6
DHCT CPE - Unsubscribed
/Subscribed PC CPE(across
same/different CMTS)
Denied
2.7
DHCT CPE - DHCT CPE (across
same/different CMTS)
Denied
2.8
Unsubscribed PC CPE - Unsubscribed
/Subscribed PC (across same/different
CMTS)
Cable Service
Provider’s
Implementation
2.9
Subscribed PC CPE- Subscribed PC
CPE (across same/different CMTS)
Allowed