Cisco SGE2000 - Cisco - Gigabit Switch Administration Guide

Configuring Spanning Tree
Defining Spanning Tree
Cisco Small Business SFE/SGE Managed Switches Administration Guide 259
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STEP 1 Click Bridging > Spanning Tree > RSTP. The RSTP Page opens :
RSTP Page
The
RSTP Page contains the following fields:
• Copy From Entry Number — Indicate the port from which the STP interface
setting are copied.
• To Entry Numbers — Indicate the port to which the STP interface setting are
copied.
• Ports — Display the RSTP configurations of the specified stacking member’s
ports.
• LAGs — Display the RSTP configurations of device LAGs.
• Interface — Indicates the port or LAG for which the STP settings are displayed.
• 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