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Cisco Broadband Cable Command Reference Guide
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Chapter 3 Cisco CMTS Show Commands
show cable modem access-group
Usage Guidelines
This command displays information only for CMs. To display information for both CMs and their
associated hosts and other customer premises equipment (CPE) devices, use the
show cable device
access-group
command. To display information only for hosts, use the
show cable host access-group
command.
If an SNMP manager is requesting information about CM or CPE devices at the same time that this
command is given, the command displays the following error message:
No information is available, please try later.
Wait until the SNMP retrieval is done and retry the CLI command.
Note
Also see the information about this command’s behavior in a Hot Standby Connection-to-Connection
Protocol (HCCP) configuration, 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 access-group command on a
Cisco uBR7200 series router for a particular CM:
Router#
show cable modem 0010.7bb3.fcd1 access-group
MAC Address IP Address Access-group
0010.7bb3.fcd1 10.20.113.2 34
Upstream Power : 42 dBmV (SNR = 10 dBmV)
Downstream Power : 15 dBmV (SNR = 15 dBmV)
Router#
Note
The upstream and downstream power fields will be displayed only if the CM remote-query feature has
been enabled using the
cable modem remote-query
command.
The following example shows sample output for the
show cable modem access-group
command for a
particular cable interface on a Cisco uBR10012 router:
Router#
show cable modem c8/1/0 access-group
MAC Address IP Address Access-group
0050.7366.1243 22.1.1.11 1
0002.b970.0027 23.1.1.10 1
0006.5314.858d 22.1.1.10 N/A
Router#
Table 3-16
describes the fields that are shown in the
show cable modem access-group
display:
Table 3-16 Descriptions for the show cable modem access-group 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.
Access-group
Displays the access group name or number in use (if any) for this CM.