Cisco 500 Series Administration Guide

Spanning Tree
Rapid Spanning Tree Settings
303 Cisco 500 Series Managed Switch Administration Guide
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- Designated —The interface through which the bridge is connected to the
LAN, which provides the lowest cost path from the LAN to the Root
Bridge.
-
Alternate —Provides an alternate path to the Root Bridge from the root
interface.
-
Backup —Provides a backup path to the designated port path toward the
Spanning Tree leaves. This provides a configuration in which two ports
are connected in a loop by a point-to-point link. Backup ports are also
used when a LAN has two or more established connections to a shared
segment.
-
Disabled —The port is not participating in Spanning Tree.
• Mode—Displays the current Spanning Tree mode: Classic STP or RSTP.
• Fast Link Operational Status—Displays whether the Fast Link (Edge Port) is
enabled, disabled, or automatic for the interface. The values are:
-
Enabled —Fast Link is enabled.
-
Disabled —Fast Link is disabled.
-
Auto —Fast Link mode is enabled a few seconds after the interface
becomes active.
• Port Status—Displays the RSTP status on the specific port.
-
Disabled —STP is currently disabled on the port.
-
Blocking —The port is currently blocked, and it cannot forward traffic or
learn MAC addresses.
-
Listening —The port is in Listening mode. The port cannot forward traffic,
and cannot learn MAC addresses.
-
Learning —The port is in Learning mode. The port cannot forward traffic,
however it can learn new MAC addresses.
-
Forwarding —The port is in Forwarding mode. The port can forward
traffic and learn new MAC addresses.
STEP 7 Click Apply. The Running Configuration file is updated.

Cisco 500 Series Specifications

General

Model	Cisco 500 Series
Category	Switch
Mounting	Rack-mountable
Management	Web-based, CLI, SNMP
Ports	24, 48
Port Speed	10/100/1000 Mbps
PoE Support	Available on some models
Switching Capacity	Up to 176 Gbps
MAC Address Table Size	16, 000 entries
Security	ACLs, 802.1X
Quality of Service (QoS)	Yes
Dimensions	Varies by model
Weight	Varies by model
Humidity	10% to 90% non-condensing
Power Supply	Internal
Power Consumption	Varies by model
Jumbo Frame Support	Up to 9216 bytes