Allied Telesis AT-S94 Guide de l'utilisateur télécharger pdf (Page 141)

Configuring Spanning Tree

Configuring Rapid Spanning Tree

Page 141

To define RSTP on the device:

1. Click Layer 2 > RSTP. The RSTP Page opens:

Figure 93: RSTP Page

The RSTP Page contains the following fields:

• Select the interfaces displayed in the table.

– Ports of Unit — Specifies the port and stacking member for which the RSTP settings are displayed.

– Trunks — Specifies the trunk for which the RSTP settings are displayed.

• Interface — Displays the port or trunk on which Rapid STP is enabled.

• Role — Displays the port role assigned by the STP algorithm to provide to STP paths. The possible field

values are:

– Root — Provides the lowest cost path to forward packets to the root switch.

– Designated — The port or trunk through which the designated switch is attached to the LAN.

– Alternate — Provides an alternate path to the root switch from the root interface.

– Backup — Provides a backup path to the designated port path toward the Spanning Tree leaves. Backup

ports occur only when two ports are connected in a loop by a point-to-point link, or when a LAN has two

or more connections to a shared segment.

– Disabled — The port is not participating in the Spanning Tree.

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Allied Telesis AT-S94 Guide de l'utilisateur Page 141