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Chapter 6
Cable CPE Commands
ehdr: 01 06 02 74 34 11
07 status=0x20 bd_index=0x0007 len=0x0000 hdr_len=0x0000
ehdr: 01 06 02 74 34 11
MIB Statistics
DS fifo full = 0, Rerequests = 0
DS mac msg overruns = 0, DS data overruns = 0
Qualified maps = 348, Qualified syncs = 73
CRC fails = 0, HDR chk fails = 0
Data pdus = 0, Mac msgs = 423
Valid hdrs = 423
BCM3300 Registers:
downstream dma:
ds_data_bd_base=0x001D40, ds_mac_bd_base=0x001E80
ds_data_dma_ctrl=0x98, ds_mac_dma_ctrl=0xD8
ds_dma_data_index=0x0007, ds_dma_msg_index=0x0000
upstream dma:
us_bd_base=0x001FB8, us_pd_base=0x002038
us_dma_ctrl=0x80, us_dma_tx_start=0x00
Global control and status:
global_ctrl_status=0x00
interrupts:
irq_pend=0x0008, irq_mask=0x00F7
Router#
The following shows an excerpt from the display for the all option:
Router# show controllers cable-modem 0 all
BCM MAC/PHY: Chip id = BCM3300 Revision A (1)
BCM3220 unit 0, idb 0x81068880, ds 0x8106B8A0, regaddr = 0x10100000, reset_mask 0x80
station address 0006.53b6.57bd
MAC mcfilter 01E02F00
buffer size 1856
RX data PDU ring with 32 entries at 0x10030F00
rx_head = 0x10030F78 (15), rx_p = 0x8106B8F8 (15)
00 pak=0x810798C0 buf=0x10044F56 status=0x80 pak_size=0
01 pak=0x81079BB4 buf=0x1004575E status=0x80 pak_size=0
...
Tuner: status=0x00
Rx: tuner_freq 645000000, symbol_rate 5056000, local_freq 11520000
snr_estimate 345(TenthdB), ber_estimate 0, lock_threshold 23000
QAM in lock, FEC in lock, qam_mode QAM_64
Tx: tx_freq 27984000, symbol rate 16 (2560000 sym/sec)
IF AGC=0x2010 (8208)
Combined AGC = 22371 (band = 1)
Estimated Downstream Power: 7.9 dBmV
Platform check 8400000
Router#
OL-1581-07
data mcfilter 00000000
power_level: 29.75 dBmV (current)
30
(gain in US AMP units)
5
(BCM3300 attenuation in .4 dB units)
RF AGC=0x3753 (14163)
default station address 0006.53b6.57bd
(Annex B)
Cisco Broadband Cable Command Reference Guide
show controllers cable-modem
6-71
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