Cisco SGE2000 Reference Guide - Page 174
Edit Rapid Spanning Tree Interface, Fast Link Operational Status, Port State
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10 Chapter SGE2000/SGE2000P Gigabit Ethernet Switch Reference Guide Edit Rapid Spanning Tree Page The Edit Rapid Spanning Tree Page contains the following fields: • Interface - Displays the port or LAG on which Rapid STP is enabled. • Role - Indicates the port role assigned by the STP algorithm in order to provide to STP paths. The possible field values are: - Root - Provides the lowest cost path to forward packets to root switch. - Designated - Indicates that the port or LAG via 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. Backup ports also occur when a LAN has two or more connections connected to a shared segment. - Disabled - Indicates the port is not participating in the Spanning Tree. • Mode - Indicates the current Spanning Tree mode. The Spanning Tree mode is selected in the Global STP page. The possible field values are: - Classic STP - Indicates that Classic STP is enabled on the device. - Rapid STP - Indicates that Rapid STP is enabled on the device. - Multiple STP - Indicates that Multiple STP is enabled on the device. • Fast Link Operational Status- Indicates if Fast Link is enabled or disabled for the port or LAG. If Fast Link is enabled for a port, the port is automatically placed in the forwarding state. • Port State - Indicates if RSTP is enabled on the interface. The possible field values are: - Enable - Indicates that RSTP is enabled on the port. 166 Chapter 10: Configuring Spanning Tree Defining Rapid Spanning Tree