关于ppp拨入的问题！谢谢！
--------------------------------------------------------------------------------我在目标板上配置ppp拨入，从一台windows拨号到目标板.在目标板上运行：
/sbin/mgetty -s -x0 115200 /dev/ttyS1
测试过程中能听到modem握手的声音，但是最后失败。windows那边一直就停留在“核对用户名和密码”（当然了，目标板已经建立过帐户和密码了），所我觉得失败的原因应该不是用户名和密码的问题。
我的配置脚本如下：
/etc/mgetty/mgetty.config
##################################################
#
# mgetty configuration file
#
# this is a sample configuration file, see mgetty.info for details
#
# comment lines start with a "#", empty lines are ignored
# ----- global section -----
#
# In this section, you put the global defaults, per-port stuff is below
# set the global debug level to "4" (default from policy.h)
#debug 4
# set the local fax station id
#fax-id
# access the modem(s) with 38400 bps
#speed 38400
# use an alternate issue file, to avoid being bitten by linuxlogo
#issue-file /etc/issue.mgetty
#use these options to make the /dev/tty-device owned by "uucp.uucp"
#and mode "rw-rw-r--" (0664). *LEADING ZERO NEEDED!*
#port-owner uucp
#port-group uucp
#port-mode 0664
#use these options to make incoming faxes owned by "root.uucp"
#and mode "rw-r-----" (0640). *LEADING ZERO NEEDED!*
#fax-owner root
#fax-group uucp
#fax-mode 0640
# ----- port specific section -----
#
# Here you can put things that are valid only for one line, not the others
#
# Zoom V.FX 28.8, connected to ttyS0: don't do fax, less logging
#
#port ttyS0
#debug 3
#data-only y
# some other Rockwell modem, needs "switchbd 19200" to receive faxes
# properly (otherwise it will fail with "timeout").
#
#port ttyS1
#speed 38400
#switchbd 19200
# ZyXEL 2864, connected to ttyS2: maximum debugging, grab statistics
#
#port ttyS2
#debug 8
#init-chat "" \d\d\d+++\d\d\dAT&FS2=255 OK ATN3S0=0S13.2=1 OK
#statistics-chat "" AT OK ATI2 OK
#statistics-file /var/log/statistics.ttyS2
#modem-type cls2
#statistics-chat "" ATM0 OK
# direct connection of a VT100 terminal which doesn't like DTR drops
#
#port ttyS3
#direct y
#speed 19200
#toggle-dtr n
port ttyS1
data-only y
speed 115200
statistics-chat "" ATM0 OK
/etc/mgetty/login.config
###############################
# login.config
#
# This is a sample "login dispatcher" configuration file for mgetty
#
# format:
#username userid utmp_entry login_program
#
# Meaning:
# for a "username" entered at mgettys login: prompt, call
#"login_program" with , with the uid set to "userid",
#and a USER_PROCESS utmp entry with ut_user = "utmp_entry"
#
# username may be prefixed / suffixed by "*" (wildcard)
#
# userid is a valid user name from /etc/passwd, or "-" to not set
#a login user id and keep the uid/euid root (needed for /bin/login)
#
# utmp_entry is what will appear in the "who" listing. Use "-" to not
#set an utmp entry (a must for /bin/login), use "@" to set it to the
#username entered. Maximum length is 8 characters.
#
# login_program is the program that will be exec()ed, with the arguments
#passed in . A "@" in the arguments will be replaced with the
#username entered. Warning: if no "@" is given, the login_program has
#no way to know what user name the user entered.
#
#
# SAMPLES:
# Use this one with my Taylor-UUCP and Taylor-UUCP passwd files.
#(Big advantage: tuucp can use the same passwd file for serial dial-in
# and tcp dial-in ). Works from 1.05 up.
#
#U*uucp@/usr/sbin/uucico -l -u @
#
# Use this one for fido calls (login name /FIDO/ is handled specially)
#
# You need Eugene Crosser's "ifmail" package for this to work.
#mgetty has to be compiled with "-DFIDO", otherwise a fido call won't
#be detected.
#
#/FIDO/uucpfido/usr/lib/fnet/ifcico @
#
# Automatic PPP startup on receipt of LCP configure request (AutoPPP).
#mgetty has to be compiled with "-DAUTO_PPP" for this to work.
#Warning: Case is significant, AUTOPPP or autoppp won't work!
#Consult the "pppd" man page to find pppd options that work for you.
#
#NOTE: for *some* users, the "-detach" option has been necessary, for
# others, not at all. If your pppd doesn't die after hangup, try it.
#
#NOTE2: "debug" creates lots of debugging info.LOOK AT IT if things
# do not work out of the box, most likely it's a ppp problem!
#
#NOTE3: "man pppd" is your friend!
#
#NOTE4: max. 9 arguments allowed.
#
/AutoPPP/ -a_ppp /usr/sbin/pppd auth -chap +pap login file /etc/ppp/options.ser
#/AutoPPP/ -a_ppp /usr/sbin/pppd auth -chap +pap login debug logfile /opt/ppplog2
#/AutoPPP/ -a_ppp/usr/sbin/pppd file /etc/ppp/options.server logfile /opt/ppplog2
#
#
# An example where no login name in the argument list is desired:
#automatically telnetting to machine "smarty" for a given login name
#
#telnet-smartygasttelnet/usr/bin/telnet -8 smarty
#
# This is the "standard" behaviour - *dont* set a userid or utmp
#entry here, otherwise /bin/login will fail!
#This entry isn't really necessary: if it's missing, the built-in
#default will do exactly this.
#
#*--/bin/login @
/etc/ppp/options.ser
######################
lock
nodefaultroute
modem
/dev/ttyS1
115200
crtscts
debug
passive
asyncmap 0
name "test"
remotename "unknown.com"
199.199.1.112:199.199.1.212
我的问题：
请问拨入失败的原因是什么？
十分感谢！
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