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Cisco Broadband Cable Command Reference Guide
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Chapter 6 Cable CPE Commands
show controllers cable-modem cmcert
show controllers cable-modem cmcert
To display the router’s public key X.509 certificate, use the
show controllers cable-modem cmcert
command in privileged EXEC mode.
Cisco uBR905 and Cisco uBR925 cable access routers, and Cisco CVA122 Cable Voice Adapter
show controllers cable-modem
number
cmcert
Syntax Description
Command Modes
Privileged EXEC
Command History
Usage Guidelines
This command displays the router’s X.509 DOCSIS cable-modem certificate, which uniquely identifies
the router during the BPI+ negotiation process. This command shows the individual X.509 components
of the certificate, starting with the DOCSIS restricted X.501 Distinguished Name and ending with the
1024-bit public key.
Tip
This command displays the certificate that is burned into the router at the factory and is not normally
changed. The
show controllers cable-modem manuf-cert
command displays the manufacturer’s
certificate that is incorporated into the Cisco IOS image that the router is currently running. Upgrading
the Cisco IOS image could also update the manufacturer’s certificate.
Examples
The following example shows the starting lines and ending lines of typical output for the
show
controllers cable-modem cmcert
command:
Router#
show controllers cable-modem 0 cmcert
Cable Modem Certificate:
SEQ(878)
SEQ(727)
Context-specific [A0](3)
INT(1):2
END
INT(10): 62 E0 07 47 00 00 00 00 FA 62
1w3d: SEQ(13)
OID(9):SHA Signature 1.2.840.113549.1.1.5
1w3d: NULL
END
SEQ(114)
SET(11)
SEQ(9)
number
Identifies the cable interface (always 0).
Release
Modification
12.2(15)CZ
This command was introduced on the Cisco uBR905 and Cisco uBR925
cable access routers, and the Cisco CVA122 Cable Voice Adapter.
