Cisco SR2016T-NA Reference Manual page 295

Chapter 2 Cisco CMTS Configuration Commands
Cable Modem did not attempt TFTP. Registration Rejected. CM Mac Addr <00ff.ff66.12fb>
Registration failed for Cable Modem 00ff.ff66.12fb on interface Cable3/0/U0:
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The following example of the mark-only option shows how that cable modems that do not attempt a
TFTP download through the Cisco CMTS are allowed to register and come online, but they are marked
with a pound sign (#) when using the
Router# configure terminal
Router(config)# interface cable 3/0
Router(config-if)# cable tftp-enforce mark-only
Router(config-if)# exit
Router(config)#
Router# show cable modems
Interface
Cable3/0/U1 1
Cable3/0/U0 2
Cable3/0/U0 3
Cable3/0/U1 4
Cable3/0/U1 5
Router#
The debug cable registration
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TFTP
23:27:15: %UBR7200-4-REGISTRATION_BEFORE_TFTP: Registration request unexpected:
Cable Modem did not attempt TFTP. Modem marked with #. CM Mac Addr <00ff.ff66.12fb>
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You can also use the
Tip
SID and service classes in use, to determine whether a CM has registered using unauthorized QoS
parameters.
OL-1581-08
CoS/Sflow/Cfr/PHS failed in REG-REQ
6 23:27:15.859: REG-RSP Status : failure (2)
6 23:27:15.859: Registration Response:
6 23:27:15.859: 0x0000: C2 00 00 1B 00 00 00 50 73 4E B4 19 00 05 00 E0
6 23:27:15.859: 0x0010: 56 AC 00 09 00 00 03 01 07 00 00 02 02
6 23:27:15.859: Registration Response Transmitted
Prim Online
Sid State
online(pt)
online(pt)
init(i)
online(pt)
#online
command can be used to display additional information:
6 23:27:15.859: Registration request from 00ff.ff66.12fb, SID 7 on Cable3/0/U1
6 23:27:15.859: Found a network access control parameter: Ok
6 23:27:15.859: Found a class of service block: Ok
6 23:27:15.859: Found Baseline Privacy config: Ok
6 23:27:15.859: Found Max CPE: Ok
6 23:27:15.859: Found CM MIC: Ok
6 23:27:15.859: Found CMTS MIC: Ok
6 23:27:15.859: Found modem ip: Ok
6 23:27:15.859: Found modem capabilities: Ok
6 23:27:15.859: Finished parsing REG Request
6 23:27:15.859: Cable Modem sent Registration Request without attempting required
6 23:27:15.859: Sec sids obtained for all requested classes of service
6 23:27:15.859: Performing connection admission control (CAC) for each Sid
6 23:27:15.859: CAC Status for ClassID:1 is CAC_SUCCESS
6 23:27:15.859: Registration Status: ok (0)
6 23:27:15.859: Registration Response Transmitted
show interface cable sid
show cable modem command.
Timing Rec QoS CPE IP address
Offset Power
2734 0.50 5 0
2729 0.25 5 0
2732 0.25 2 0
2737 0.75 5 0
2213 0.25 6 0
and show cable qos profile
Cisco Broadband Cable Command Reference Guide
cable tftp-enforce
MAC address
10.1.1.38 00ff.fffa.0a35
10.1.1.50 00ff.ff07.382f
10.1.1.48 00ff.ff03.307d
10.1.1.34 00ff.ff59.4477
10.1.1.47 00ff.ff66.12fb
commands to examine the
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