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Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

Syntax: [ no ] lldp config < port-list > dot3TlvEnable macphy_config

For outbound advertisements, this TLV includes the

(local) switch port’s current speed and duplex settings, the

range of speed and duplex settings the port supports, and

the method required for reconfiguring the speed and

duplex settings on the device (auto-negotiation during

link initialization, or manual configuration).

Using SNMP to compare local and remote information can

help in locating configuration mismatches.

(Default: Enabled)

Note: For LLDP operation, this TLV is optional. For

LLDP-MED operation, this TLV is mandatory.

As mentioned above, an SNMP network management application can be used

to compare the port speed and duplex data configured in the switch and

advertised by the LLDP endpoint. You can also use the CLI to display this

information. For more on using the CLI to display port speed and duplex

information, refer to “Displaying the Current Port Speed and Duplex

Configuration on a Switch Port” on page 14-68.

LLDP-MED (Media-Endpoint-Discovery)

LLDP-MED (ANSI/TIA-1057/D6) extends the LLDP (IEEE 802.1AB) industry

standard to support advanced features on the network edge for Voice Over IP

(VoIP) endpoint devices with specialized capabilities and LLDP-MED

standards-based functionality. LLDP-MED in the switches uses the standard

LLDP commands described earlier in this section, with some extensions, and

also introduces new commands unique to LLDP-MED operation. The show

commands described elsewhere in this section are applicable to both LLDP

and LLDP-MED operation. LLDP-MED benefits include:

■ plug-and-play provisioning for MED-capable, VoIP endpoint devices

■ simplified, vendor-independent management enabling different IP

telephony systems to interoperate on one network

■ automatic deployment of convergence network policies (voice

VLANs, Layer 2/CoS priority, and Layer 3/QoS priority)

■ configurable endpoint location data to support the Emergency Call

Service (ECS) (such as Enhanced 911 service, 999, 112)

■ detailed VoIP endpoint data inventory readable via SNMP from the

switch

14-52

HP ProCurve Management And Configuration Guide

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