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show controller cable-modem
Troubleshooting Tips for the Cisco uBR904 Cable Modem 17
show controller cable-modem
To display high-level controller information about a cable modem, use the show controller
cable-modem Privileged EXEC command.
Syntax Description
Command Mode
Privileged EXEC
Usage Guidelines
This command first appeared in Cisco IOS Release 11.3 NA.
Sample Display
Following is a sample output for this command:
uBR904# show controller cable-modem 0
BCM Cable interface 0:
CM unit 0, idb 0x200EB4, ds 0x82D4748, regaddr = 0x800000, reset_mask 0x80
station address 0010.7b43.aa01 default station address 0010.7b43.aa01
PLD VERSION: 32
MAC State is ranging_2_state, Prev States = 7
MAC mcfilter 01E02F00 data mcfilter 01000000
DS: BCM 3116 Receiver: Chip id = 2
US: BCM 3037 Transmitter: Chip id = 30B4
Tuner: status=0x00
Rx: tuner_freq 699000000, symbol_rate 5055849, local_freq 11520000
snr_estimate 33406, ber_estimate 0, lock_threshold 26000
QAM in lock, FEC in lock, qam_mode QAM_64
Tx: tx_freq 20000000, power_level 0x3E, symbol_rate 1280000
DHCP: TFTP server = 4.0.0.32, TOD server = 4.0.0.188
Security server = 0.0.0.0, Timezone Offest = 0.0.4.32
Config filename =
buffer size 1600
RX data PDU ring with 32 entries at 0x201D40
rx_head = 0x201D40 (0), rx_p = 0x82D4760 (0)
RX MAC message ring with 8 entries at 0x201E80
rx_head_mac = 0x201EB8 (7), rx_p_mac = 0x82D4810 (7)
TX BD ring with 8 entries at 0x201FB8, tx_count = 0
tx_head = 0x201FB8 (0), head_txp = 0x82D4888 (0)
tx_tail = 0x201FB8 (0), tail_txp = 0x82D4888 (0)
TX PD ring with 8 entries at 0x202038, tx_count = 0
tx_head_pd = 0x202038 (0)
tx_tail_pd = 0x202038 (0)
number Controller number inside the cable modem.