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Chapter 3
Cisco CMTS Show Commands
0001.0203.0405 ATM3/0.2
Router#
Table 3-12
Table 3-12 show cable l2-vpn vc-map Field Descriptions
Field
MAC Address
ATM Intf
VPI/VCI
Cable Intf
SID
Priv Bits
Related Commands
Command
cable l2-vpn-service
atm-vc
cable vc-map
debug cable l2-vpn
OL-1581-08
1/2
describes the fields shown in the display.
Description
Hardware (MAC) address for the CM being mapped.
Destination ATM interface that contains the VPI/VCI being used for the
mapping.
Destination VPI/VCI on the ATM interface for the traffic coming from the CM.
Cable interface to which the CM is connected.
Primary service ID (SID) for this cable modem.
Identifies the current settings of the two privacy bits in the extended header (EH)
that is used for BPI-encrypted packets.
First bit = Enable bit. Set to 1 when BPI or BPI+ is enabled.
•
•
Second bit = Toggle bit. Matches the least-significant bit (LSB) of the key
sequence number (KSN) in the EH.
For example, a value of "0" indicates that BPI is not enabled. A value of "10"
indicates that BPI is enabled and that the KSN is an even number. A value of "11"
indicates that BPI is enabled and that the KSN is an odd number.
For more information on these bits, see the DOCSIS Baseline Privacy
Note
Interface Plus Interface Specification (SP-BPI+-I08-020301 or later).
Description
Enables the use of Layer 2 tunnels for the Customer Premises Equipment
(CPE) traffic that is behind cable modems, so that individual CPE traffic can
be routed to a particular PVC on an ATM interface.
Maps a cable modem to a particular PVC on an ATM interface.
Displays debugging messages for the Layer 2 mapping of cable modems to
particular PVC on an ATM interface.
Cable5/0
3
0
Cisco Broadband Cable Command Reference Guide
show cable l2-vpn vc-map
3-39
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