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4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
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3 Click on Submit.
VPI/VCI Detect Setting Specify the port behavior with regard to VPI/
VCI detection:
z On – The DSLAM will monitor the line to
determine the VPI and VCI settings of the
remote ADSL modem and set itself
accordingly. If no ATM cells are detected (at
any VPI/VCI setting), the port will default to
VPI 0 and VCI 35.
z Off – The port will use the default setting of
VPI and VCI (0/35 if not changed by the
setting of VPI and VCI, below), or lock in the
VPI/VCI already discovered while VPI/VCI
detection was On.
Filter IP Address Settings Specify up to four IP address ranges. Packets are
accepted from source IP addresses in the ranges
specified.
Protocol Setting Click in the check box to enable Protocol Setting
detection. Select Allow Selected and specify up
to four Ethertypes allowed on the ports.
DHCP Option 82 Specify whether DHCP Option 82 is enabled,
and if it is, whether packets are identified by IP
address or circuit ID. This identifier is added to
packets to let your DHCP Server recognize
which DSLAM port an IP address request is
coming from, thereby allowing the DHCP
Server to limit the number of IP addresses
assigned per port.
Layer 2 Port Filter
Settings
Click in the check box if you want to filter by
MAC address the packets on this port.
MAC 1 – MAC 3 Enter up to three MAC addresses.
Unlimited # of MACs or
Define # of MACs
Specify whether the number of MAC addresses
with access to the port is to be limited to a
certain number (not including MAC 1, MAC 2,
and MAC 3, if specified above).
VPI and VCI Specify a default VPI and VCI if VPI/VCI
Detect Setting (above) is Off.
Frame Type Specify whether the ports use Logical Link
Control (LLC) or Virtual Channel Multiplexing
(VCM) bridged encapsulation. These are defined
in RFC 1483.
Standard Mode Specify the ports’ DSL mode.
Parameter Description