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Example 5
The show controllers cable-modem mac state command summarizes the state of the cable MAC
layer and provides a list of downstream search frequency bands and the order in which they are
searched. If the cable MAC layer is in the
display corresponds to the last time the interface was up. This allows useful information to be
acquired from this display even though the modem has not been able to range and register. The
normal operational state of the interface is the
uBR924# show controller cable-modem 0 mac state
MAC State:
Ranging SID:
Registered:
Privacy Established:
MIB Values:
Mac Resets:
0
Sync lost:
0
Invalid Maps:
0
Invalid UCDs:
0
Invalid Rng Rsp:
0
Invalid Reg Rsp:
0
T1 Timeouts:
0
T2 Timeouts:
0
T3 Timeouts:
4
T4 Timeouts:
0
Range Aborts:
0
DS ID:
DS Frequency:
DS Symbol Rate:
DS QAM Mode
DS Search:
88 453000000 855000000 6000000
89
93000000 105000000 6000000
90 111250000 117250000 6000000
91 231012500 327012500 6000000
92 333015000 333015000 6000000
93 339012500 399012500 6000000
94 405000000 447000000 6000000
95 123015000 129015000 6000000
96 135012500 135012500 6000000
97 141000000 171000000 6000000
98 219000000 225000000 6000000
99 177000000 213000000 6000000
US ID:
US Frequency:
US Power Level:
US Symbol Rate:
Ranging Offset:
Mini-Slot Size:
Change Count:
Preamble Pattern:
wait_for_link_up_state
maintenance_state
maintenance_state
5
TRUE
TRUE
1
663000000
5056941
64QAM
1
20000000
34.0 (dBmV)
1280000
12460
8
4
CC CC CC CC CC CC CC CC
A9 17 D9 C3 52 2F B3 86
91 7D 9C 35 22 FB 38 6A
17 D9 C3 52 2F B3 86 A4
F3 F3 F3 F3 F3 F3 F3 F3
F3 F3 F3 F3 F3 F3 F3 F3
88 84 04 4C C4 84 C0 0C
88 40 44 CC 48 4C 00 C4
Troubleshooting Tips for the Cisco uBR924 Cable Access Router 47
show controllers cable-modem mac
, the information shown in the
.
CC CC CC CC CC CC 0D 0D
A4 5F 67 0D 48 BE CE 1A
45 F6 70 D4 8B EC E1 A9
5F 67 0D 48 BE CE 1A 91
F3 F3 F3 F3 F3 F3 F3 F3
F3 F3 F3 F3 33 F7 33 F7
44 08 08 CC 8C 0C 80 48
40 80 8C C8 C0 C8 04 88
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