ZyXEL Communications IES-612-51A Guia do Utilizador descarregar pdf (Página 329)

Chapter 54 ADSL Commands

IES-612-51 User’s Guide

329

adsl inp

<portlist>[<usinp>[,<dsinp>]]

Sets the upstream (us) and downstream (ds) impulse noise

protection minimum setting on the specified ADSL port(s).

Sudden spikes in the line’s noise level (impulse noise) can

cause errors and result in lost packets. Set the impulse noise

protection minimum to have a buffer to protect the ADSL

physical layer connection against impulse noise. This buffering

causes a delay that reduces transfer speeds. It is

recommended that you use a non-zero setting for real time

traffic that has no error correction (like videoconferencing).

usinp: Sets the minimum upstream (us) impulse noise

protection setting. Use 0~3 to define a number of DMT

symbols. 0 = 0 DMT symbols, 1 = 0.5 DMT symbols, 2 = 1

DMT symbols, 3 = 2 DMT symbols.

dsinp: Sets the minimum downstream (ds) impulse noise

protection setting. Use 0~3 to define a number of DMT

symbols. 0 = 0 DMT symbols, 1 = 0.5 DMT symbols, 2 = 1

DMT symbols, 3 = 2 DMT symbols.

H/H

adsl annexm show <portlist> Displays the Annex M feature setting for the specified port(s). M/L

adsl annexm enable <portlist> This command turns on the Annex M double upstream feature

on the specified ADSL2/2+ port(s). This has the upstream

connection use tones 6 to 63.

H/H

adsl annexm disable <portlist> This command turns off the Annex M double upstream feature

on the specified ADSL2/2+ port(s).

H/H

adsl queuemap set <priority>

<queue-level>

IEEE 802.1p defines up to 8 separate traffic types by inserting

a tag into a MAC-layer frame that contains bits to define class

of service. Frames without an explicit priority tag are given the

default priority of the ingress port. Use this command to

configure the priority level-to-physical queue mapping.

queue-level: The device has 4 physical queues that you

can map to the 8 priority levels for outgoing Ethernet traffic.

The device has 8 physical queues that you can map to the 8

priority levels for outgoing DSL traffic. Traffic assigned to

higher index queues gets through the device faster while traffic

in lower index queues is dropped if the network is congested.

H/H

adsl queuemap show Displays the xDSL priority level to physical queue mapping. M/L

adsl dsbcast enable <portlist>

Enables downstream broadcast packets sent to specified

VLANs on specified ports.

M/H

adsl dsbcast show <portlist> Shows downstream broadcast settings on specified xDSL

port(s).

L/L

adsl dsbcast disable <portlist>

Disables downstream broadcast packets sent to specified

VLANs on specified ports.

M/H

adsl sra enable <portlist> Turns on Seamless Rate Adaptation (SRA) ADSL2+ on the

specified port(s).

H/H

adsl sra show <portlist> Displays the SRA ADSL2+ setting for the specified port(s). M/L

adsl sra disable <portlist> Turns off SRA ADSL2+ on the specified port(s) H/H

Table 133 ADSL Commands (continued)

COMMAND DESCRIPTION P

1 2 ... 324 325 326 327 328 329 330 331 332 333 334 ... 413 414

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