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Configuring Subscriber-End Broadband Access Router Features
Subscriber-End Broadband Access Router Initial Power-Up Sequence
MC-631
Cisco IOS Multiservice Applications Configuration Guide
Figure 114 Cable Modem Initialization Flowchart
Figure 115 illustrates the traffic flow during the initialization process.
Register with
the Cisco
uBR7246
Registration
complete
Power
on
Scan for
downstream
channel
Obtain
upstream
parameters
Upstream
parameter
acquired
Start
Ranging
Ranging and
auto adjust
completed
Establish
IP
connectivety
IP
complete
Establish
time of
day
Time of day
established
Establish
security
Transfer
operational
parameters
Transfer
complete
Baseline
privacy
initialization
Baseline
privacy
initialized
Operational
1
2
3
4
5
6
7
8
9
10
12960
Downstream
sync
established
Security
established