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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).
AusernameentryisrequiredforeachremotesystemthattheXSRcommunicateswithand
from
whichitseeksauthenticationforprotocolssuchasCHAPandPAPorMSCHAP.WhentheXSR
receivesCHAPandMSCHAPchallenges,thereceivedusernameissearchedthroughthelistof
usernamestofindapasswordsoitcansendaresponse.
WhentheXSRreceivesresponsestoitschallenges,the
responsenameissearchedthroughthelist
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
0
or5.0meanstheinputpasswordisexpectedtobeunencrypted;5meansthe
inputpasswordisalreadyencryptedsoitwillnotbeencryptedagain.
password
ForCHAPauthentication:specifiesthesecretpasswordforthelocalrouteror
theremotesystem.Thesecretisencryptedwhenstoredonthelocalrouter.
Thepasswordcanbeupto255ASCIIcharacters.Enclosethepasswordin
doublequotesifenteringastringwithspaces.Thereisnolimitto
thenumberof
username‐passwordcombinationsthatcanbespecified,allowinganynumberof
remotesystemstobeauthenticated.