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1. BitStorm 1900 IP DSLAM
1900-A2-GN20-00 BitStorm 1900 Installation and Maintenance Guide 1-7
computer’s MAC address is entered into the Privacy Management filter
table.
NOTE: Creating a filter table on a 10224 CO modem affects all
EtherLoop ports on that card and one of its CPEs is redundant,
but possible. However, the CO table should be the same or be a
superset of the CPE table.
Same Card Broadcast
The Same Card Broadcast feature is an option on CO modems that
should be used in conjunction with Privacy Management to provide
secure communications (default is Disabled):
Refer to Table 1-2, “Same Card Broadcast Feature Enabled/Disabled
Function for CO Modems,” for the feature function and security issues
associated with each setting.
The Same Card Broadcast feature is selected from StormTracker Site
Manager and the modems are recognized as having the feature enabled
or disabled.
Table 1-2: Same Card Broadcast Feature Enabled/Disabled Function for CO Modems
CO
Modem
Enabled/
Disabled
Feature Function Security
10306
Enabled
(Default)
Allows clients on circuits 1, 2, 3 or circuits 4, 5, 6 to
communicate with each other without going out into
the network first.
N/A
Disabled
Blocks clients on the same group-of-three from
seeing and communicating with each other, unless
the traffic exits the DSLAM and returns from the
network.
Clients on other groups-of-
three or other cards can see
each other unless Privacy
Management is used.
10224
Enabled
(Default)
Allows clients on circuits 1–12 or circuits 13–24 to
communicate with each other without going out into
the network first.
N/A
Disabled
Blocks clients on the same group-of-12 from see-
ing and communicating with each other, unless the
traffic exits the DSLAM and returns from the net-
work.
Clients on other groups-of-
12 or other cards can see
each other unless Privacy
Management is used.