RTS DV-3400 Informações Técnicas descarregar pdf (Página 405)

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Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

■ The voice VLAN port membership configured on the switch can be tagged

or untagged. However, if the LLDP-MED endpoint expects a tagged mem-

bership when the switch port is configured for untagged, or the reverse,

then a configuration mismatch results. (Typically, the endpoint expects

the switch port to have a tagged voice VLAN membership.)

■ If a given port does not belong to a voice VLAN, then the switch does not

advertise the VLAN ID TLV through this port.

Policy Elements. These policy elements may be statically configured on the

switch or dynamically imposed during an authenticated session using a

RADIUS server and 802.1X or MAC authentication. (Web authentication does

not apply to VoIP telephones and other telecommunications devices that are

not capable of accessing the switch through a Web browser.) The QoS and

voice VLAN policy elements can be statically configured with the following

CLI commands:

vlan < vid > voice

vlan < vid > < tagged | untagged > < port-list >

int < port-list > qos priority < 0 - 7 >

vlan < vid > qos dscp < codepoint >

Notes A codepoint must have an 802.1p priority before you can configure it for use

in prioritizing packets by VLAN-ID. If a codepoint you want to use shows No

Override in the Priority column of the DSCP policy table (display with show qos-

dscp map, then use qos-dscp map < codepoint > priority < 0 - 7 > to configure a

priority before proceeding. For more on this topic, refer to the chapter titled

“Quality of Service (QoS): Managing Bandwidth More Effectively” in the

Advanced Traffic Management Guide for your switch.

Enabling or Disabling medTlvEnable on 5300xl or 4200vl Switches.

In the default LLDP-MED configuration, the TLVs controlled by medTlvEnable

are enabled.

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