Multitech MVP 800 Specifiche Scaricare il pdf (Pagina 37)

 Chapter4–ConfiguringYourMultiVOIP

MultiVOIP®Voice/FaxoverIPGateways 37

Ethernet/IPParameterDefinitions

FieldName Values Description

EthernetParameters

PacketPrioritization

(802.1p)

Y/N Selecttoactivateprioritizationunder802.1pprotocol(describedbelow).

FrameType TypeII,SNAP Mustbesettomatchnetwork’sframetype.DefaultisTypeII.

802.1p AdraftstandardoftheIEEEaboutdatatrafficprioritizationonEthernetnetworks.The802.1pdraftisan

extensionofthe802.1Dbridgingstandard.802.1DdetermineshowprioritizationoperateswithinaMAC‐

layerbridgeforanykindofmedia.The802.1Qdraftforvirtuallocal‐area‐networks(VLANs)addresses

theissueofprioritizationforEthernetnetworksinparticular.

802.1penactsthisQuality‐of‐Servicefeatureusing3bits.This3‐bitcodeallowsdataswitchestoreorder

packetsbasedonprioritylevel.Thedescriptorsforthe8prioritylevelsaregivenbelow.

802.1pPRIORITYLEVELS

:

LOWESTPRIORITY

1–Background:Bulktransfersandotheractivitiespermittedonthenetwork,butshouldnotaffectthe

useofnetworkbyotherusersandapplications.

2–Spare:Anunused(spare)valueoftheuserpriority.

0–BestEffort(default):Normalpriorityforordinary

LANtraffic.

3–ExcellentEffort:Thebestefforttypeofservicethataninformationservicesorganizationwould

delivertoitsmostimportantcustomers.

4–ControlledLoad:Importantbusinessapplicationssubjecttosomeformof“AdmissionControl”,such

aspreplanningofNetworkrequirement,characterizedbybandwidthreservationper

flow.

5–Video:Trafficcharacterizedbydelay<100ms.

6–Voice:Trafficcharacterizedbydelay<10ms.

7‐NetworkControl:Trafficurgentlyneededtomaintainandsupportnetworkinfrastructure.

HIGHESTPRIORITY

CallControlPriority 0‐7,where0is

lowestpriority

Setsthepriorityforsignalingpackets.

VOIPMediaPriority 0‐7,where0is

lowestpriority

Setsthepriorityformediapackets.

Others(Priorities) 0‐7,where0is

lowestpriority

SetsthepriorityforSMTP,DNS,DHCP,andotherpackettypes.

VLANID 1‐4094 The802.1QIEEEstandardallowsvirtualLANstobedefinedwithinanetwork.This

fieldidentifieseachvirtualLANbynumber.

IPParameterfields



GatewayName alphanumeric DescriptorofcurrentVOIPunittodistinguishitfromotherunitsinsystem.

EnableDHCP Y/N

disabledby

default

DynamicHostConfigurationProtocolisamethodforassigningIPaddressandother

IPparameterstocomputersontheIPnetworkinasinglemessagewithgreat

flexibility.IPaddressescanbestaticortemporarydependingontheneedsofthe

computer.

IPAddress n.n.n.n TheuniqueLANIPaddressassignedtotheMultiVOIP.

IPMask n.n.n.n SubnetworkaddressthatallowsforsharingofIPaddresseswithinaLAN.

Gateway n.n.n.n TheIPaddressofthedevicethatconne ctsyourMultiVOIPtotheInternet.

Tableiscontinuedonnextpage…

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Multitech MVP 800 Specifiche Pagina 37

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