beautypg.com

SMC Networks TigerStack 100 1000BASE-X User Manual

Page 56

background image

U

SING

THE

S

YSTEM

C

ONFIGURATION

P

ROGRAM

2-38

Note: Fast Forwarding enables end-node workstations and servers to

overcome time-out problems when the Spanning Tree Algorithm
is implemented in a network. Therefore, Fast Forwarding should
only be enabled for ports connected to an end-node device.

(Path) Cost

100/19/4

This parameter is used by the STA algorithm to

determine the best path between devices. Therefore,

lower values should be assigned to ports attached to

faster media, and higher values assigned to ports with

slower media.

(Path cost takes precedence over port priority.)
The default and recommended range is:

Ethernet: 100 (50~600)

Fast Ethernet: 19 (10~60)

Gigabit Ethernet: 4 (3~10)

The full range is 1 - 65535.

Fast

Forwarding

Enabled

This parameter is used to enable/disabled the Fast

Spanning Tree mode for the selected port. In this

mode, ports skip the Blocked, Listening and Learning

states and proceed straight to Forwarding.

Parameter

Default

Description