Enterasys Networks DFE-Gold Series Manual

A SERVICE OF

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clear ciscodp Cisco Discovery Protocol

Enterasys Matrix DFE-Gold Series Configuration Guide 3-13

•ACiscoDPporttruststatusoftrustedoruntrustedisonlymeaningfulwhenaCiscoIPphone

isconnectedtoaswi tchportandaPCorotherdeviceisconnectedtothebackoftheCiscoIP

phone.

•ACiscoDPportstateoftrustedoruntrustedonlyaffects

taggedtraffictransmittedbythe

deviceconnectedtotheCiscoIPphone.Untaggedtraffictransmittedbythedeviceconnected

totheCiscoIPphoneisunaffectedbythissetting.

•IftheswitchportisconfiguredtoaCiscoDPtruststateoftrusted(withthetrust‐exttrusted

parameterof

thiscommand),thissettingiscommunicatedtotheCiscoIPphoneinstructingit

toallowthedeviceconnectedtoittotransmittrafficcontaininganyCoSorLayer2802.1p

marking.

•IftheswitchportisconfiguredtoaCiscoDPtruststateofuntrusted,thissettingis

communicatedto

theCiscoIPphoneinstructingittooverwritethe802.1ptagoftraffic

transmittedbythedeviceconnectedtoitto0,bydefault,ortothevaluespecifiedbythecos‐

extparameterofthiscommand.

•Thereisaone‐to‐onecorrelationbetweenthevaluesetwiththecos‐

extparameterandthe

802.1pvalueassignedtoingressedtrafficbytheCiscoIPphone.Avalueof0equatestoan

802.1ppriorityof0.Therefore,avalueof7isgiventhehighestpriority.

Examples

ThisexampleshowshowtosettheCiscoDPportvoiceVLANIDto3onportfe.1.6andenablethe

portoperationalstate:

Matrix>set ciscodp port status enable vvid 3 fe.1.6

ThisexampleshowshowtosettheCiscoDPextendedtrustmodetountrustedonportfe.1.5and

settheCoSpriorityto1:

Matrix>set ciscodp port trust-ext untrusted cos-ext 1 fe.1.5

clear ciscodp

UsethiscommandtocleartheCiscoDiscoveryProtocolbacktothedefaultvalues.

Syntax

clear ciscodp { [status | timer | holdtime | port {status | vvid | trust-ext |

cos-ext}] } <port-string>

Parameters

status ClearsglobalCiscoDPenablestatustodefaultofauto.

timer ClearsthetimebetweenCiscoDPPDUtransmissionstodefaultof60

seconds.

holdtime Clearsthetime‐to‐liveforCiscoDPPDUdatatodefaultof180seconds.

port ClearstheCiscoDPportconfiguration.

status Clearstheindividualportoperationalstatustothe defaultof

enabled.

vvid ClearstheindividualportvoiceVLANforCiscoDPPDUtransmission

to0.

trust‐ext Clearsthetrustmodeconfigurationoftheporttotrusted.