To verify an
upstream ranging class ID of a cable modem, use the
show
cable
modem command with the
verbose
keyword.
Following is a sample output of the
show
cable
modem verbose command in Cisco IOS
Release 12.2(33)SCH1:
Router# show cable modem 68b6.fcfe.2285 verbose
MAC Address : 68b6.fcfe.2285
IP Address : 192.168.0.8
IPv6 Address : 2001:DB8:10:1:9951:1972:33F9:9867
Dual IP : Y
Prim Sid : 235
Host Interface : C7/0/1/UB
MD-DS-SG / MD-US-SG : 1 / 1
MD-CM-SG : 0x3D0101
Primary Wideband Channel ID : 2305 (Wi7/0/0:0)
Primary Downstream : In7/0/0:3 (RfId : 1731)
Wideband Capable : Y
RCP Index : 3
RCP ID : 00 10 00 00 18
Downstream Channel DCID RF Channel : 117 7/0/0:0
Downstream Channel DCID RF Channel : 118 7/0/0:1
Downstream Channel DCID RF Channel : 119 7/0/0:2
Downstream Channel DCID RF Channel : 120 7/0/0:3
Downstream Channel DCID RF Channel : 121 7/0/1:0
Downstream Channel DCID RF Channel : 122 7/0/1:1
Downstream Channel DCID RF Channel : 123 7/0/1:2
Downstream Channel DCID RF Channel : 124 7/0/1:3
Downstream Channel DCID RF Channel : 125 7/0/2:0
Downstream Channel DCID RF Channel : 126 7/0/2:1
Downstream Channel DCID RF Channel : 127 7/0/2:2
Downstream Channel DCID RF Channel : 128 7/0/2:3
Downstream Channel DCID RF Channel : 129 7/0/3:0
Downstream Channel DCID RF Channel : 130 7/0/3:1
Downstream Channel DCID RF Channel : 131 7/0/3:2
Downstream Channel DCID RF Channel : 132 7/0/3:3
Extended Upstream Transmit Power : 61dB
Multi-Transmit Channel Mode : Y
Number of US in UBG : 4
Upstream Channel : US0 US1 US2 US3
Ranging Status : sta sta sta sta
Upstream SNR (dB) : 36.12 36.12 36.12 36.12
Upstream Data SNR (dB) : -- -- -- --
Received Power (dBmV) : -0.50 -0.50 0.00 -0.50
Reported Transmit Power (dBmV) : 38.25 38.25 38.25 38.25
Peak Transmit Power (dBmV) : 61.00 61.00 61.00 61.00
Phy Max Power (dBmV) : 51.00 51.00 51.00 51.00
Minimum Transmit Power (dBmV) : 24.00 24.00 24.00 24.00
Timing Offset (97.6 ns): 1348 1348 1348 1348
Initial Timing Offset : 1092 1092 1092 1348
Rng Timing Adj Moving Avg(0.381 ns): 0 0 -1 0
Rng Timing Adj Lt Moving Avg : 644 737 644 0
Rng Timing Adj Minimum : 0 0 -256 0
Rng Timing Adj Maximum : 65536 65536 65536 256
Pre-EQ Good : 0 0 0 0
Pre-EQ Scaled : 0 0 0 0
Pre-EQ Impulse : 0 0 0 0
Pre-EQ Direct Loads : 0 0 0 0
Good Codewords rx : 25 30 36 67
Corrected Codewords rx : 0 0 0 0
Uncorrectable Codewords rx : 0 0 0 0
Phy Operating Mode : atdma* atdma* atdma* atdma*
sysDescr :
Downstream Power : 0.00 dBmV (SNR = ----- dB)
MAC Version : DOC3.0
QoS Provisioned Mode : DOC1.1
Enable DOCSIS2.0 Mode : Y
Modem Status : {Modem= w-online, Security=disabled}
Capabilities : {Frag=N, Concat=N, PHS=Y}
Security Capabilities : {Priv=, EAE=Y, Key_len=}
L2VPN Capabilities : {L2VPN=Y, eSAFE=Y}
Sid/Said Limit : {Max US Sids=8, Max DS Saids=64}
Optional Filtering Support : {802.1P=N, 802.1Q=N, DUT=Y}
Transmit Equalizer Support : {Taps/Symbol= 1, Num of Taps= 24}
Number of CPE : 1(Max CPE = 16)
Number of CPE IPs : 0(Max CPE IPs = 16)
CFG Max-CPE : 16
Flaps : 0()
Errors : 0 CRCs, 0 HCSes
Stn Mtn Failures : 0 aborts, 0 exhausted
Total US Flows : 1(1 active)
Total DS Flows : 1(1 active)
Total US Data : 29 packets, 8048 bytes
Total US Throughput : 0 bits/sec, 0 packets/sec
Total DS Data : 1 packets, 275 bytes
Total DS Throughput : 0 bits/sec, 0 packets/sec
LB group ID assigned (index) : 2151481601 (48385)
LB group ID in config file (index) : N/A (N/A)
LB policy ID : 0
LB policy ID in config file : 0
LB priority : 0
Tag :
Required DS Attribute Mask : 0x0
Forbidden DS Attribute Mask : 0x0
Required US Attribute Mask : 0x0
Forbidden US Attribute Mask : 0x0
Service Type ID :
Service Type ID in config file :
Ranging Class ID : 0x2
Active Classifiers : 0 (Max = NO LIMIT)
CM Upstream Filter Group : 0
CM Downstream Filter Group : 0
CPE Upstream Filter Group : 0
CPE Downstream Filter Group : 0
DSA/DSX messages : permit all
Voice Enabled : NO
DS Change Times : 0
Boolean Services : 2
Number of Multicast DSIDs Support : 63
MDF Capability Mode : 2
IGMP/MLD Version : MLDv2
FCType10 Forwarding Support : Y
Features Bitmask : 0x0
Total Time Online : 08:06 (08:06 since last counter reset)
CM Initialization Reason : T4_EXPIRED
CFG Max IPv6 CPE Prefix : 16 (-1 used)
Following is a sample output of the
show
cable
modem verbose command in Cisco IOS
Release 12.2(33)SCH2:
Router# show cable modem 68b6.fcfe.22e5 verbose
MAC Address : 68b6.fcfe.22e5
IP Address : 192.168.0.8
IPv6 Address : 2001:DB8:10:1:9951:1972:33F9:9867
Dual IP : Y
Prim Sid : 8
Host Interface : C8/0/0/UB
MD-DS-SG / MD-US-SG : 1 / 2
MD-CM-SG : 0x5A0102
Primary Wideband Channel ID : 3073 (Wi8/0/0:0)
Primary Downstream : Mo8/0/0:0 (RfId : 2304)
Wideband Capable : Y
RCP Index : 3
RCP ID : 00 10 00 00 18
Downstream Channel DCID RF Channel : 45 8/0/0:0
Downstream Channel DCID RF Channel : 46 8/0/0:1
Downstream Channel DCID RF Channel : 47 8/0/0:2
Downstream Channel DCID RF Channel : 48 8/0/0:3
Downstream Channel DCID RF Channel : 49 8/0/0:4
Downstream Channel DCID RF Channel : 50 8/0/0:5
Downstream Channel DCID RF Channel : 51 8/0/0:6
Downstream Channel DCID RF Channel : 52 8/0/0:7
Downstream Channel DCID RF Channel : 53 8/0/0:8
Downstream Channel DCID RF Channel : 54 8/0/0:9
Downstream Channel DCID RF Channel : 55 8/0/0:10
Downstream Channel DCID RF Channel : 56 8/0/0:11
Downstream Channel DCID RF Channel : 57 8/0/0:12
Downstream Channel DCID RF Channel : 58 8/0/0:13
Downstream Channel DCID RF Channel : 59 8/0/0:14
Downstream Channel DCID RF Channel : 60 8/0/0:15
Downstream Channel DCID RF Channel : 61 8/0/0:16
Downstream Channel DCID RF Channel : 62 8/0/0:17
Downstream Channel DCID RF Channel : 63 8/0/0:18
Downstream Channel DCID RF Channel : 64 8/0/0:19
Downstream Channel DCID RF Channel : 65 8/0/0:20
Downstream Channel DCID RF Channel : 66 8/0/0:21
Downstream Channel DCID RF Channel : 67 8/0/0:22
Downstream Channel DCID RF Channel : 68 8/0/0:23
UDC Enabled : N
Extended Upstream Transmit Power : 61dB
Multi-Transmit Channel Mode : Y
Number of US in UBG : 8
Upstream Channel : US0 US1 US2 US3
Ranging Status : sta sta sta sta
Upstream SNR (dB) : 30.62 32.32 18.25 24.26
Upstream Data SNR (dB) : -- -- -- --
Received Power (dBmV) : 0.50 0.00 -0.50 -0.50
Reported Transmit Power (dBmV) : 30.75 30.75 29.25 29.25
Peak Transmit Power (dBmV) : 61.00 61.00 61.00 61.00
Phy Max Power (dBmV) : 48.00 48.00 48.00 48.00
Minimum Transmit Power (dBmV) : 21.00 21.00 21.00 21.00
Timing Offset (97.6 ns): 1800 1800 1800 1800
Initial Timing Offset : 1544 1544 1544 1544
Rng Timing Adj Moving Avg(0.381 ns): -1 0 -1 -1
Rng Timing Adj Lt Moving Avg : -7 0 -7 -7
Rng Timing Adj Minimum : -256 0 -256 -256
Rng Timing Adj Maximum : 65536 65536 65536 65536
Pre-EQ Good : 0 0 0 0
Pre-EQ Scaled : 0 0 0 0
Pre-EQ Impulse : 0 0 0 0
Pre-EQ Direct Loads : 0 0 0 0
Good Codewords rx : 1201 1262 833 656
Corrected Codewords rx : 0 0 169 117
Uncorrectable Codewords rx : 0 0 205 335
Phy Operating Mode : atdma* atdma* atdma* atdma*
Upstream Channel : US4 US5 US6 US7
Ranging Status : sta sta sta sta
Upstream SNR (dB) : 15.53 31.62 31.1 31.87
Upstream Data SNR (dB) : -- -- -- --
Received Power (dBmV) : 0.00 0.00 -0.50 0.50
Reported Transmit Power (dBmV) : 29.25 30.75 30.75 30.75
Peak Transmit Power (dBmV) : 61.00 61.00 61.00 61.00
Phy Max Power (dBmV) : 48.00 48.00 48.00 48.00
Minimum Transmit Power (dBmV) : 21.00 21.00 21.00 21.00
Timing Offset (97.6 ns): 1800 1800 1800 1800
Initial Timing Offset : 1544 1800 1544 1544
Rng Timing Adj Moving Avg(0.381 ns): -1 -1 46 0
Rng Timing Adj Lt Moving Avg : -7 -7 104 0
Rng Timing Adj Minimum : -256 -256 0 0
Rng Timing Adj Maximum : 65536 256 65536 65536
Pre-EQ Good : 0 0 0 0
Pre-EQ Scaled : 0 0 0 0
Pre-EQ Impulse : 0 0 0 0
Pre-EQ Direct Loads : 0 0 0 0
Good Codewords rx : 718 1328 1173 1252
Corrected Codewords rx : 110 0 0 0
Uncorrectable Codewords rx : 298 0 0 0
Phy Operating Mode : atdma* atdma* atdma* atdma*
sysDescr : DOCSIS 3.0 Cable Modem Router
Downstream Power : 7.40 dBmV (SNR = 43.30 dB)
MAC Version : DOC3.0
QoS Provisioned Mode : DOC1.1
Enable DOCSIS2.0 Mode : Y
Modem Status : {Modem= w-online, Security=disabled}
Capabilities : {Frag=N, Concat=N, PHS=Y}
Security Capabilities : {Priv=, EAE=Y, Key_len=}
L2VPN Capabilities : {L2VPN=Y, eSAFE=Y}
Sid/Said Limit : {Max US Sids=8, Max DS Saids=64}
Optional Filtering Support : {802.1P=N, 802.1Q=N, DUT=Y}
Transmit Equalizer Support : {Taps/Symbol= 1, Num of Taps= 24}
Number of CPE : 0(Max CPE = 16)
Number of CPE IPs : 0(Max CPE IPs = 16)
Number of CPE IPv6 : 0(Max CPE IPv6 = 16)
CFG Max-CPE : 16
Flaps : 19(Oct 11 04:00:25)
Errors : 0 CRCs, 0 HCSes
Stn Mtn Failures : 0 aborts, 12 exhausted
Total US Flows : 1(1 active)
Total DS Flows : 1(1 active)
Total US Data : 3294 packets, 577031 bytes
Total US Throughput : 0 bits/sec, 0 packets/sec
Total DS Data : 2263 packets, 200777 bytes
Total DS Throughput : 0 bits/sec, 0 packets/sec
LB group ID assigned (index) : 2153382146 (55810)
LB group ID in config file (index) : N/A (N/A)
LB policy ID : 0
LB policy ID in config file : 0
LB priority : 0
Tag :
Required DS Attribute Mask : 0x0
Forbidden DS Attribute Mask : 0x0
Required US Attribute Mask : 0x0
Forbidden US Attribute Mask : 0x0
Service Type ID :
Service Type ID in config file :
Ranging Class ID : 0x2
Active Classifiers : 0 (Max = NO LIMIT)
CM Upstream Filter Group : 0
CM Downstream Filter Group : 0
CPE Upstream Filter Group : 0
CPE Downstream Filter Group : 0
DSA/DSX messages : permit all
Voice Enabled : NO
DS Change Times : 0
Boolean Services : 2
Number of Multicast DSIDs Support : 63
MDF Capability Mode : 2
IGMP/MLD Version : MLDv2
FCType10 Forwarding Support : Y
Features Bitmask : 0x0
Total Time Online : 9h27m (9h27m since last counter reset)
CM Initialization Reason : BAD_DHCP_ACK
CFG Max IPv6 CPE Prefix : 16 (-1 used)