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Centillion Common Application

Bridges

Application Views Bay Networks Centillion 100

4-18 Management Module Guide

port table for the given type. Possible types are: unknown, transparent-only,

source-route only, and srt.

Source Routed Frames Forward

Indicates whether the system will forward source routed frames if running in

transparent bridging mode. If this value is disabled(1), the system will drop

all source-routed frames. The default value is disabled(1).

This view also contains the Bridge port Table. Which is a table that contains

generic information about every port that is associated with this bridge.

Transparent, source-route, and srt ports are included. This table provides the

following information.

Port Number

The number of the port for which this entry contains bridge management

information.

If Index

The value of the instance of the ifIndex object, deﬁned in MIB-II, for the

interface corresponding to this port.

Circuit

For a port which (potentially) has the same value of

cndot1dBasePortVirtualRing as another port on the same bridge, this

object contains the name of an object instance unique to this port. For

example, in the case where multiple ports correspond one-to-one with multiple

X.25 virtual circuits, this value might identify an (e.g., the ﬁrst) object

instance associated with the X.25 virtual circuit corresponding to this port.

For a port which has a unique value of dot1dBasePortIfIndex, this object

can have the value { 0 0 }.

Spanning Tree

This view contains the following information:

Protocol Speciﬁcation

An indication of what version of the Spanning Tree Protocol is being run. The

value decLb100(2) indicates the DEC LANbridge 100 Spanning Tree protocol.

IEEE 802.1d implementations will return 'ieee8021d(3)'. If future versions

of the IEEE Spanning Tree Protocol are released that are incompatible with

the current version a new value will be deﬁned.

Priority

The value of the writeable portion of the Bridge ID, i.e., the ﬁrst two octets of

the (8 octet long) Bridge ID. The other (last) 6 octets of the Bridge ID are

given by the value of cndot1dBaseBridgeAddress.

Time Since Topology Change

The time (in hundredths of a second) since the last time a topology change was

detected by the bridge entity.

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