Cisco SGE2000 - Cisco - Gigabit Switch Administration Guide

Configuring Spanning Tree
Defining Spanning Tree
Cisco Small Business SFE/SGE Managed Switches Administration Guide 261
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• Activate Protocol Migration — Click the Activate button to run a Protocol
Migration Test. The test identifies the STP mode of the interface connected to
the selected interface.
STEP 2 Define the relevant fields.
STEP 3 Click Apply. The Rapid Spanning Tree Settings are defined, and the device is
updated.
Modifying RTSP
STEP 1 Click Bridging > Spanning Tree > RSTP. The RSTP Page opens:
STEP 2 Click the Edit button. The Edit Rapid Spanning Tree Page opens:
Edit Rapid Spanning Tree Page
The
Edit Rapid Spanning Tree Page contains the following fields:
• Interface — Specifies whether Rapid STP is enabled on a port or LAG.
• 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.

Cisco SGE2000 - Cisco - Gigabit Switch Specifications

General

Form Factor	Rack-mountable
Switching Capacity	48 Gbps
Forwarding Rate	35.7 Mpps
Layer	Layer 2
Power Supply	Internal
Management	Web-based, SNMP, CLI
MAC Address Table Size	8000 entries
VLANs	256
Features	Quality of Service (QoS), IGMP snooping, Port mirroring
Dimensions (W x D x H)	440 x 257 x 44 mm (17.3 x 10.1 x 1.73 in)
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20 to 70°C (-4 to 158°F)
Relative Humidity	10% to 90% non-condensing
Standards Compliance	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x