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Chapter 3
Cisco CMTS Show Commands
the ping ip-address command, and then the show cable modem ip-address cnr command will show the
cable modem. Also see the
Configuration" section on page
Examples
The following example shows sample output for the show cable modem cnr command for a CM:
Router# show cable modem 10.20.114.34 cnr
MAC Address
00d0.ba77.7595 10.20.114.34
Router#
The following example shows the output of the show cable modem cnr command after an HCCP
switchover. The CNR value is missing until traffic is sent to the cable modem (in this case using the ping
command).
Router# show cable modem 10.10.10.46 cnr
MAC Address
0002.fd22.aadf 10.10.10.46
Router# ping 10.10.10.46
Router# show cable modem 10.10.10.46 cnr
MAC Address
0002.fd22.aadf 10.10.10.46
Router#
Table 3-18
Table 3-18 Descriptions for the show cable modem cnr Fields
Field
MAC Address
IP Address
I/F
MAC State
OL-1581-08
"Operation with Hot Standby Connection-to-Connection Protocol (HCCP)
3-54.
IP Address
I/F
Cable3/0/U5 online
IP Address
I/F
C5/1/0/U5
IP Address
I/F
C5/1/0/U5
describes the information shown in the show cable modem cnr display:
Description
The MAC address for the CM.
The IP address that the DHCP server has assigned to the CM.
The cable interface line card providing the upstream for this CM.
The current state of the MAC layer (see
MAC
Prim
snr/cnr
State
Sid
(db)
1
45.00
MAC
Prim
snr/cnr
State
Sid
(db)
online
1970
-----
MAC
Prim
snr/cnr
State
Sid
(db)
online
1970
42.00
Table 3-15 on page
Cisco Broadband Cable Command Reference Guide
show cable modem cnr
3-60).
3-71
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