Cisco UBR924 - uBR 924 Router Troubleshooting Tips page 9

Figure 2 Cable Modem Initialization Flowchart
Power
on
Scan for
1
downstream
channel
Downstream
sync
established
Obtain
2
upstream
parameters
Upstream
parameter
acquired
Start
3
Ranging
Ranging and
auto adjust
completed
Establish
4
IP
connectivety
IP
complete
Establish
5 time of
day
Time of day
established
Step 1—Understand How Basic Initialization Works
Establish
security
Security
established
Transfer
operational
parameters
Transfer
complete
Register with
the Cisco
uBR7246
Registration
complete
Baseline
privacy
initialization
Baseline
privacy
initialized
Operational
Troubleshooting Tips for the Cisco uBR924 Cable Access Router 9
6
7
8
9
10