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lb: Bridge Information Base
The bridge “lb” information base contains variables that describe the
reception and transmission of packets across each bridging circuit
group. The structure is the following:
lb
ccg bridge circuit group name
variables listed below
The pathname is constructed as follows:
lb.ccg.variable
The variables are listed alphabetically:
block_ste indicates the disposition of STE frames received by the
circuit group. A value of 1 indicates that received STE frames are
blocked (dropped); a value of 0 indicates that received STE frames are
forwarded. If either NCL’s Blockste or Unblockste command has been
executed after the most recent reboot of the router, this variable
indicates which is currently in effect. Conversely, if neither Blockste nor
Unblockste have been used since the last reboot, then this variable
indicates the setting of the Block STE configuration parameter in the
Bridge Circuit Group Parameters Screen at the last reboot.
drop_dst_addr contains the number of packets dropped by
circuit group ccg in accordance with global destination address filters
specified within the configuration.
drop_dst_local contains the number of packets dropped by circuit
group ccg because the source and destination address were on the
same (local) network.
drop_interval contains the number of packets dropped by circuit
group ccg because more than one packet was flooded to a (particular)
unlearned address during a Flood Interval time period. A packet is
flooded to all networks if the destination of the packet is unknown to
the router. The flood can be controlled by the Flood Interval parameter
in the Bridge menu of the Configuration Editor. If packets are received
with the same destination as the first packet and within the Flood
Managment
Information Base
18
Management Information Base Variables
lb: Bridge Information Base
18-75