267
troubleshoot remote system network access
failure, 94
tunnel, 71
tunnel authent
ication configuration, 86
tunnel config
uration (client-initiated), 91
tunnel config
uration (LAC-auto-initiated), 92
tunnel configuration (NAS-initiated), 89
tunnel establishment, 71
tunneling mode
, 71
tunneli
ng mode (client-initiated), 73
tunneli
ng mode (LAC-auto-initiated), 74
tunneling mode
(NAS-initiated), 71
VA po
ol configuration, 83
LAC
L2TP automatic tunnel establishment, 81
L2TP LAC AAA authentication, 80
L2TP
LAC configuration, 79
L2TP LAC tunn
el request initiation, 79
L2TP LA
C-auto-initiated tunneling, 74
L2TP LNS LA
C tunneling request
acceptance, 83
L2TP network compon
ent, 70
L2TP sour
ce IP address configuration, 80
L2TP tunnel configuration
(LAC
-auto-initiated), 92
Laye
r 2
tunneling protocol. Use L2TP
LCP
L2TP LNS LCP renegotiation, 84, 85
LFI
conf
iguration, 25
link
DDR dialu
p interface link layer protocols, 176
DDR dynamic rou
te backup link disconnect
delay, 192
fragmentation and interleaving. Use LFI
Frame Relay configur
ation, 235, 244
Frame Relay DCE-side configur
ation, 237
Frame Relay DLCI, 231
Frame Relay DTE-side configu
ration, 236
Frame Relay local virtual ci
rcuit
configuration, 237
Frame Relay subinterface configu
ration, 239
HDLC configuration, 96, 98
HDLC link
bundling configuration, 100, 106
HDLC link statu
s polling, 97
ISDN Q.921 BRI inte
rface link connectivity, 121
MP binding mo
de configuration, 37
MP configuration, 1
Multilin
k Frame Relay configuration, 248, 250
PPP and MP configuration, 27
PPP CHAP au
thentication 1-way configuration, 31
PPP conf
iguration, 1, 5
PPP establishm
ent process, 1
PPP IP address negoti
ation configuration, 33
PPP link qualit
y monitoring, 18
PPP PAP authenticat
ion 1-way configuration, 27
PPP PAP authenticat
ion 2-way configuration, 29
PPPoE configuration, 45
, 55
PPPoE server config
uration, 55
LMI
Frame Relay protocol, 232
how it work
s, 234
message type, 233
negotiation parameter, 233
LNS
AAA authentication, 85
config
uration, 82
L2TP network compon
ent, 70
LAC tunneling requ
est acceptance, 83
LCP renegotiat
ion, 85
mandatory CHAP authentication, 84
user authent
ication, 84
VT interf
ace creation, 82
WAN access
IP address specification, 79
LTS
L2TP LTS TSA ID setting, 88
M
maint
aining
3G/4G modem, 168
ATM, 144
DDR, 193
HDLC, 97
HDLC link
bundling, 106
L2TP
, 88
MP, 26
PPP, 26
PPPoE, 54
PPPoE client, 54