ieee8021SpanningTreeBridgeHelloTime

The value that all Bridges use for HelloTime when this
Bridge is acting as the root.  The granularity of this
timer is specified by IEEE Std 802.1D-1998 to be 1 second. 
An agent may return an SNMP badValue error (or its equivalent
if another protocol is used) if a set is attempted to a
value that is not a whole number of seconds.
              
The value of this object MUST be retained across
reinitializations of the management system.

MIB

IEEE8021-SPANNING-TREE-MIB

OID

.1.3.111.2.802.1.1.3.1.1.1.14

Type

column

Access

readwrite

Status

current

Units

centi-seconds

Parent

ieee8021SpanningTreeEntry