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Multilink PPP Commands

XSR CLI Reference Guide 8-115

Mode

Dialer,Multilink,BRIInterface,andControllerconfiguration:XSR(config-if<xx>) and

XSR(config-controller<T/Exx>)

Default

Hostname

Example

ThefollowingexamplesetsthePPPmultilinkendpointvalueovervirtualmultilinkinterface57:

XSR(config)#interface multilink 57

XSR(config-if<M57>)#ppp multilink endpoint null

XSR(config-if<M57>)#ppp multilink endpoint hostname

XSR(config-if<M57>)#ppp multilink endpoint ip address 1.1.1.1

XSR(config-if<M57>)#ppp multilink endpoint string aaaaaaa

XSR(config-if<M57>)#ppp multilink endpoint phone 1234567890

ppp multilink fragment-delay

Thiscommandsetsthemaximumfragmentdelayintervalinmilliseconds.Thevalueisusedto

computethemaximumfragmentsizethatcanbesentovereachmemberlinkinthebundle.The

maximumfragmentsizeiscalculatedas:

Fragmentsize(inbytes)=fragment‐delay(ms)xlinkspeed(kbps)/

8

Table8‐1belowshowstherelationshipbetweenmaximumfragmentdelayandmaximum

fragmentsize.Italicizedfiguresindicatebytes.

EachMLPPPpacketincludesonefragmentwithanadditionalHDLCheader(2bytes),PID(2

bytes),MLPPPheader(2/4bytesforshort/longsequencenumberformat)andFCS(2bytes).

Theactualfragment

sizewillbedecidedaftertheloadbalanceovermemberlinkistakeninto

accountandshouldnotexceedthemaximumfragmentsizeallowed.Whenthecommandis

mac

interface

IEEE802.1GlobalMACaddressclassissetwithaMACaddressofeither

Fastethernet1or2.fastethernet

string

PPPMagicNumberclassisspecified.InsteadofusingthenegotiatedPPP

magicnumber,youcanspecifyanystringlessthan20characters.

phone

PSTNDirectoryNumberclasssetwithaphonenumberofnomorethan15

digits.

Note: The maximum fragment size is limited to 1500 bytes.

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