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