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24-port NWay Ethernet Switch User’s Guide
Web-Based Network Management 151
Bridge to tell all other switches that it is indeed the
Root Bridge. If you set a Hello Time for your Switch,
and it is not the Root Bridge, the set Hello Time
will be used if and when your Switch becomes the
Root Bridge.
♦ Forward Delay: (4 . . 30 sec) The Forward Delay can
be from 4 to 30 seconds. This is the time any port
on the Switch spends in the listening state while
moving from the blocking state to the forwarding
state.
♦ Maximum Age: (6 . . 40 sec) The Maximum Age can
be from 6 to 40 seconds. At the end of the Maximum
Age, if a BPDU has still not been received from the
Root ridge, your Switch will start sending its own
BPDU to all other switches for permission to
become the Root Bridge. If it turns out that your
Switch has the lowest Bridge Identifier, it will
become the Root Bridge.
♦ STP State The Spanning Tree Protocol state for a
selected port can either be Enabled or Disabled.
♦ Cost The Path Cost is a changeable parameter and
may be modified according to the Spanning Tree
Algorithm specification. The 100Mbps segment has
an assigned Path Cost of 10, and each 10Mbps
segment has an assigned Path Cost of 100.
♦ Priority Port Priority is a read-write object that
can be set from 0 to 255. This is the priority number
of the port. The lower the port priority, the more
chance the bridge has of becoming the root port.
Zero is the highest priority.