Cisco SG500-28 Administration Guide

Administration: Discovery
Configuring CDP
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3 148
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- Port ID—Identifier of port advertised in the port TLV.
• Capabilities TLV
- Capabilities—Capabilities advertised in the port TLV)
• Version TLV
- Version—Information about the software release on which the device is
running.
• Platform TLV
- Platform—Identifier of platform advertised in the platform TLV.
• Native VLAN TLV
- Native VLAN—The native VLAN identifier advertised in the native VLAN
TLV.
• Full/Half Duplex TLV
- Duplex—Whether port is half or full duplex advertised in the full/half
duplex TLV.
• Appliance TLV
- Appliance ID—Type of device attached to port advertised in the
appliance TLV.
- Appliance VLAN ID—VLAN on the device used by the appliance, for
instance if the appliance is an IP phone, this is the voice VLAN.
• Extended Trust TLV
- Extended Trust—Enabled indicates that the port is trusted, meaning that
the host/server from which the packet is received is trusted to mark the
packets itself. In this case, packets received on such a port are not re-
marked. Disabled indicates that the port is not trusted in which case, the
following field is relevant.
• CoS for Untrusted Ports TLV
- CoS for Untrusted Ports—If Extended Trust is disabled on the port, this
fields displays the Layer 2 CoS value, meaning, an 802.1D/802.1p priority
value. This is the COS value with which all packets received on an
untrusted port are remarked by the device.
• Power TLV

Cisco SG500-28 Specifications

General

Ports	28
Port Type	Gigabit Ethernet
Layer	Layer 3
Switching Capacity	56 Gbps
PoE Support	No
Form Factor	Rack-mountable
RAM	256 MB
Flash Memory	32 MB
Power Supply	Internal
Jumbo Frame Support	9KB
VLAN Support	Yes
Operating Temperature	32°F to 113°F (0°C to 45°C)
Operating Humidity	10% to 90% non-condensing
Dimensions	17.3 x 10.2 x 1.7 in (440 x 260 x 44 mm)
MAC Address Table Size	16, 000 entries