[lns default]
ip range = 192.168.102.100-192.168.102.200
local ip = 192.168.102.1
refuse chap = yes
refuse pap = yes
require authentication = no
name = kurama.pukey
ppp debug = yes
pppoptfile = /etc/ppp/options.l2tpd
length bit = yes

# cat /etc/ppp/options.l2tpd
lock
debug
auth
nologfd
-chap
-mschap
+mschap-v2
plugin radius.so
plugin radattr.so

Jun 17 15:47:27 kurama xl2tpd[16458]: check_control: control, cid = 0, Ns = 2564, Nr = 2562
Jun 17 15:47:29 kurama xl2tpd[16458]: check_control: control, cid = 0, Ns = 2564, Nr = 2562
Jun 17 15:47:31 kurama xl2tpd[16458]: check_control: control, cid = 0, Ns = 2565, Nr = 2562
Jun 17 15:47:31 kurama xl2tpd[16458]: ourcid = 6415, entropy_buf = 190f
Jun 17 15:47:31 kurama xl2tpd[16458]: check_control: control, cid = 13917, Ns = 2566, Nr = 2563
Jun 17 15:47:31 kurama xl2tpd[16458]: start_pppd: I'm running:
Jun 17 15:47:31 kurama xl2tpd[16458]: "/usr/sbin/pppd"
Jun 17 15:47:31 kurama xl2tpd[16458]: "passive"
Jun 17 15:47:31 kurama xl2tpd[16458]: "-detach"
Jun 17 15:47:31 kurama xl2tpd[16458]: "192.168.102.1:192.168.102.100"
Jun 17 15:47:31 kurama xl2tpd[16458]: "refuse-pap"
Jun 17 15:47:31 kurama xl2tpd[16458]: "refuse-chap"
Jun 17 15:47:31 kurama xl2tpd[16458]: "name"
Jun 17 15:47:31 kurama xl2tpd[16458]: "kurama.pukey"
Jun 17 15:47:31 kurama xl2tpd[16458]: "debug"
Jun 17 15:47:31 kurama xl2tpd[16458]: "file"
Jun 17 15:47:31 kurama xl2tpd[16458]: "/etc/ppp/options.l2tpd"
Jun 17 15:47:31 kurama xl2tpd[16458]: "/dev/pts/9"
Jun 17 15:47:31 kurama xl2tpd[16458]: Call established with 192.168.0.34, Local: 6415, Remote: 13917, Serial: 5
Jun 17 15:47:31 kurama pppd[12200]: Plugin radius.so loaded.
Jun 17 15:47:31 kurama pppd[12200]: RADIUS plugin initialized.
Jun 17 15:47:31 kurama pppd[12200]: Plugin radattr.so loaded.
Jun 17 15:47:31 kurama pppd[12200]: RADATTR plugin initialized.
Jun 17 15:47:31 kurama pppd[12200]: pppd 2.4.4 started by root, uid 0
Jun 17 15:47:31 kurama pppd[12200]: using channel 74
Jun 17 15:47:31 kurama pppd[12200]: Using interface ppp0
Jun 17 15:47:31 kurama pppd[12200]: Connect: ppp0 <--> /dev/pts/9
Jun 17 15:47:31 kurama pppd[12200]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0xe95ef195> <pcomp> <accomp>]
Jun 17 15:47:31 kurama pppd[12200]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0xe95ef195> <pcomp> <accomp>]
Jun 17 15:47:34 kurama pppd[12200]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x601ac3f4> <pcomp> <accomp>]
Jun 17 15:47:34 kurama pppd[12200]: sent [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x601ac3f4> <pcomp> <accomp>]
Jun 17 15:47:34 kurama pppd[12200]: sent [CHAP Challenge id=0xde <26e59ec6e20f0f0dfe8b7fa2ca850175>, name = "kurama.pukey"]
Jun 17 15:47:34 kurama pppd[12200]: rcvd [CHAP Challenge id=0x7d <dfff85114bfe6d3dd429a12cca869217>, name = "zombie"]
Jun 17 15:47:34 kurama pppd[12200]: No CHAP secret found for authenticating us to zombie
Jun 17 15:47:34 kurama pppd[12200]: sent [CHAP Response id=0x7d <fcba8120c13d589ef7f98fd1f4d5c706b7218ff0b7000000e57270c55dc8e5e689c701355aeffb62ec4eec6a3004718f00>, name = "kurama.pukey"]
Jun 17 15:47:34 kurama pppd[12200]: rcvd [CHAP Response id=0xde <d7a574efab9f5a762adeb1a0ec4701a6b768010000110000a354131f466c7a2b6d68787064f4d02eb7bbe493c04389f700>, name = "zombie"]
Jun 17 15:47:40 kurama xl2tpd[16458]: check_control: control, cid = 13917, Ns = 2567, Nr = 2563
Jun 17 15:47:40 kurama xl2tpd[16458]: control_finish: Connection closed to 192.168.0.34, serial 5 ()
Jun 17 15:47:40 kurama xl2tpd[16458]: Untrustingly terminating pppd: sending KILL signal to pid 12200
Jun 17 15:47:40 kurama xl2tpd[16458]: pppd successfully terminated