Cisco 500 Series Administration Guide

Administration: Discovery
Configuring CDP
Cisco 500 Series Stackable Managed Switch Administration Guide 168
9
- Available Bytes Left—Total number of available bytes left to send for
additional LLDP information in each packet.
Configuring CDP
This section describes how to configure CDP.
It covers the following topics:
• CDP Properties
• CDP Interface Settings
• CDP Local Information
• CDP Neighbors Information
• CDP Statistics
CDP Properties
Similar to LLDP, the Cisco Discovery Protocol (CDP) is a link layer protocol for
directly-connected neighbors to advertise themselves and their capabilities to
each other. Unlike LLDP, CDP is a Cisco proprietary protocol.
CDP Configuration Workflow
The followings is sample workflow for configuring CDP on the device. You can also
find additional CDP configuration guidelines in the LLDP/CDP section.
STEP 1 Enter the CDP global parameters using the CDP Properties page
STEP 2 Configure CDP per interface using the Interface Setting page
STEP 3 If Auto Smartport is used to detect the capabilities of CDP devices, enable CDP in
the Smartport Properties page.

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