Dell PowerConnect 7024 User Manual - Page 659
Discovering Network Devices, Device Discovery Overview, What Is ISDP?, What is LLDP
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23 Discovering Network Devices This chapter describes the Industry Standard Discovery Protocol (ISDP) feature and the Link Layer Discovery Protocol (LLDP) feature, including LLDP for Media Endpoint Devices (LLDP-MED). The topics covered in this chapter include: • Device Discovery Overview • Default IDSP and LLDP Values • Configuring ISDP and LLDP (Web) • Configuring ISDP and LLDP (CLI) • Device Discovery Configuration Examples Device Discovery Overview The switch software includes two different device discovery protocols: IDSP and LLDP. These protocols allow the switch to broadcast information about itself and to learn information about neighboring devices. What Is ISDP? The Industry Standard Discovery Protocol (ISDP) is a proprietary Layer 2 network protocol that inter-operates with Cisco devices running the Cisco Discovery Protocol (CDP). ISDP is used to share information between neighboring devices. The switch software participates in the CDP protocol and is able to both discover and be discovered by other CDP-supporting devices. What is LLDP? LLDP is a standardized discovery protocol defined by IEEE 802.1AB. It allows stations residing on an 802 LAN to advertise major capabilities physical descriptions, and management information to physically adjacent devices allowing a network management system (NMS) to access and display this information. Discovering Network Devices 659
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1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234