SMC Networks SMC8724M Manual de usuario descargar pdf (Pagina 206)

100

101

ONFIGURING

THE

WITCH

3-150

• Designated Port – The port priority and number of the port on the

designated bridging device through which this switch must

communicate with the root of the Spanning Tree.

•Oper Path Cost – The contribution of this port to the path cost of

paths towards the spanning tree which include this port.

• Oper Link Type – The operational point-to-point status of the LAN

segment attached to this interface. This parameter is determined by

manual configuration or by auto-detection, as described for Admin

Link Type in STA Port Configuration on page 3-153.

• Oper Edge Port – This parameter is initialized to the setting for

Admin Edge Port in STA Port Configuration on page 3-153 (i.e., true

or false), but will be set to false if a BPDU is received, indicating that

another bridge is attached to this port.

• Port Role – Roles are assigned according to whether the port is part

of the active topology connecting the bridge to the root bridge (i.e.,

root port), connecting a LAN through the bridge to the root bridge

(i.e., designated port), or is the MSTI regional root (i.e., master port);

or is an alternate or backup port that may provide connectivity if

other bridges, bridge ports, or LANs fail or are removed. The role is

set to disabled (i.e., disabled port) if a port has no role within the

spanning tree.

Alternate port receives more

useful BPDUs from another

bridge and is therefore not

selected as the designated

port.

R: Root Port

A: Alternate Port

D: Designated Port

B: Backup Port

ADB

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