PPP Commands
8-96 Configuring the Point-to-Point Protocol
XSR(config-if<S1>)#ppp timeout retry 20

username

ThiscommandaddsormodifiesauserwhocanmanagetheXSR.
ThiscommandspecifiesthepasswordtobeusedinthePPPChallengeHandshakeAuthentication
Protocol(CHAP)calleridentificationandbythePasswordAuthenticationProtocol(PAP).
AusernameentryisrequiredforeachremotesystemthattheXSRcommunicateswithandfrom
whichitseeksauthenticationforprotocolssuchasCHAPandPAPorMSCHAP.WhentheXSR
receivesCHAPandMSCHAPchallenges,thereceivedusernameissearchedthroughthelistof
usernamestofindapasswordsoitcansendaresponse.
WhentheXSRreceivesresponsestoitschallenges,theresponsenameissearchedthroughthelist
ofusernamesandpasswordsandcompared.WhentheXSRreceivesPAPresponsesitalso
searchesthroughitslistofusernamestomatchpasswords.
Syntax
username name password {cleartext | secret type} password
Syntax of the “no” Form
Thenoformofthiscommanddeletestheuser:
no username name
Default
Nopasswordispredefined
Mode
Globalconfiguration:XSR(config}#
Note: Refer to “NetworkManagement”onpage 1 for more details.
name UserID.
cleartext Thepasswordwillnotbeencrypted.
secret Thepasswordwillbeencrypted.
type 0or5.0meanstheinputpasswordisexpectedtobeunencrypted;5meansthe
inputpasswordisalreadyencryptedsoitwillnotbeencryptedagain.
password ForCHAPauthentication:specifiesthesecretpasswordforthelocalrouteror
theremotesystem.Thesecretisencryptedwhenstoredonthelocalrouter.
Thepasswordcanbeupto255ASCIIcharacters.Enclosethepasswordin
doublequotesifenteringastringwithspaces.Thereisnolimittothenumberof
usernamepasswordcombinationsthatcanbespecified,allowinganynumberof
remotesystemstobeauthenticated.