Cisco 500 Series Administration Guide

Administration: Discovery
Configuring LLDP
151 Cisco 500 Series Stackable Managed Switch Administration Guide
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The time interval between notifications is entered in the Topology Change
SNMP Notification Interval field in the LLDP Properties page. Define SNMP
Notification Recipients by using the SNMP > Notification Recipient v1,2
and/or SNMP > Notification Recipient v3 page.
• Selected Optional TLVs—Select the information to be published by the
device by moving the TLV from the Available Optional TLVs list. The
available TLVs contain the following information:
- Port Description—Information about the port, including manufacturer,
product name and hardware/software version.
- System Name—System's assigned name (in alpha-numeric format). The
value equals the sysName object.
- System Description—Description of the network entity (in alpha-
numeric format). This includes the system's name and versions of the
hardware, operating system, and networking software supported by the
device. The value equals the sysDescr object.
- System Capabilities—Primary functions of the device, and whether or
not these functions are enabled on the device. The capabilities are
indicated by two octets. Bits 0 through 7 indicate Other, Repeater, Bridge,
WLAN AP, Router, Telephone, DOCSIS cable device, and station
respectively. Bits 8 through 15 are reserved.
- 802.3 MAC-PHY—Duplex and bit rate capability and the current duplex
and bit rate settings of the sending device. It also indicates whether the
current settings are due to auto-negotiation or manual configuration.
- 802.3 Link Aggregation—Whether the link (associated with the port on
which the LLDP PDU is transmitted) can be aggregated. It also indicates
whether the link is currently aggregated, and if so, provides the
aggregated port identifier.
- 802.3 Maximum Frame Size—Maximum frame size capability of the
MAC/PHY implementation.
Management Address Optional TLV:
• Advertisement Mode—Select one of the following ways to advertise the IP
management address of the device:
- Auto Advertise—Specifies that the software automatically chooses a
management address to advertise from all the IP addresses of the
device. In case of multiple IP addresses, the software chooses the lowest

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