Dotaz: GPRS modem, pppd: "LCP terminated by peer"

[loydd]

Zdravim,
porad mam problem s pripojenim pres Nokia GPRS modem, viz. http://www.abclinuxu.cz/forum/show/73458#10 Zkousim se pripojet pres ifup ppp0. Nasleduje vypis z tail -f /var/log/messages. Co s chybovou hlaskou 'LCP terminated by peer'? A navic mi to po chvili schodi eth0..
Predem diky za radu.

ifup-ppp: pppd started for ppp0 on /dev/ttyS0 at 115200
pppd[14084]: pppd 2.4.2 started by root, uid 0
pppd[14084]: Using interface ppp0
pppd[14084]: local IP address 10.64.64.64
pppd[14084]: remote IP address 10.112.112.112
pppd[14084]: Starting link
wvdial[14096]: WvDial: Internet dialer version 1.54.0
wvdial[14096]: Initializing modem.
wvdial[14096]: Sending: ATZ
wvdial[14096]: ATZ
wvdial[14096]: OK
wvdial[14096]: Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
wvdial[14096]: ATQ0 V1 E1 S0=0 CLASS=0
wvdial[14096]: OK
wvdial[14096]: Sending: ATM1L1
wvdial[14096]: ATM1L1
wvdial[14096]: OK
wvdial[14096]: Modem initialized.
wvdial[14096]: Sending: ATDT*99***1#
wvdial[14096]: Waiting for carrier.
wvdial[14096]: ATDT*99***1#
wvdial[14096]: CONNECT
wvdial[14096]: ~[7f]}#@!}!} } }2}#}$@#}!}$}%\}"}&} }*} } g}%~
wvdial[14096]: Carrier detected. Waiting for prompt.
wvdial[14096]: ~[7f]}#@!}!} } }2}#}$@#}!}$}%\}"}&} }*} } g}%~
wvdial[14096]: PPP negotiation detected.
pppd[14084]: Serial connection established.
pppd[14084]: Connect: ppp0 <--> /dev/ttyS0
pppd[14084]: PAP authentication succeeded
pppd[14084]: LCP terminated by peer
pppd[14084]: Connection terminated.

Odpovědi

[petr_p]

pppd[14084]: LCP terminated by peer

Line Control Protocol (LCP) byl ukoncen druhou stranou (providerem).

Zkuste zapnout debug u pppd, aby byl v logu zachycen i proces PAP autentizace. Prijde mi, ze pppd si mysli, ze autentizace byla uspesna, kdezto provider ne, a tak vas odpoji.

[Balu]

To byva odmietnutie spojenia providerom. Podla vsetkeho sa operatorovi nepacite. Napada ma este drobnost. Inicializacny retazec sa pri GPRS pouziva

AT+CGDCONT=1,"IP","internet","",0,0

kde to internet je APN. Skuste ho pridat, mozno to pomoze.

[loydd]

Tak jsem do /etc/wvdial.conf pridal radek

Init3 = AT+CGDCONT=1,"IP","gointernet","",0,0

a pripojil jsem se. Jenze po chvili mi spadlo spojeni pres eth0. Jde nejak udelat, abych byl pripojeny pres eth0 i ppp0 zaroven a mezi ppp0 a eth0 bych si prepinal? Ve Fedore 3 (gnome) mam na liste ukazatel Network Connection a tim se sice da prepnout z eth0 na ppp0 a zpet, ale ve skutecnosti nic neprepne. (Nevim jestli je prave na to nebo jen ukazuje jaky druh spojeni je prave aktivni)

[Balu]

Ako padne to eth0? Prestane existovat (co hovori ifconfig?)? To sa mi nejak nezda. Ono pri nadviazani spojenia cez pppd sa nastavi routovanie na to GPRS pripojenie, nie je problem iba v tomto? Co pise route pred pripojenim a po nom?

[loydd]

Pred ifup ppp0:

[root@homer ~]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
213.195.208.128 * 255.255.255.192 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default frhojgenix3.gin 0.0.0.0 UG 0 0 0 eth0

[root@homer ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:11:09:2A:6D:05
inet addr:213.195.208.159 Bcast:213.195.208.191
Mask:255.255.255.192 inet6 addr: fe80::211:9ff:fe2a:6d05/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:14535 errors:0 dropped:0 overruns:0 frame:0
TX packets:14450 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:974511 (951.6 KiB) TX bytes:1132246 (1.0 MiB)
Interrupt:177

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:69 errors:0 dropped:0 overruns:0 frame:0
TX packets:69 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:11223 (10.9 KiB) TX bytes:11223 (10.9 KiB)

Potom co eth0 spadlo (treba gaim(icq) spadlo a ping sel pres ppp0):

[root@homer ~]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.6.6.6 * 255.255.255.255 UH 0 0 0 ppp0
213.195.208.128 * 255.255.255.192 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default 10.6.6.6 0.0.0.0 UG 0 0 0 ppp0

[root@homer ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:11:09:2A:6D:05
inet addr:213.195.208.159 Bcast:213.195.208.191
Mask:255.255.255.192 inet6 addr: fe80::211:9ff:fe2a:6d05/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:14978 errors:0 dropped:0 overruns:0 frame:0
TX packets:14793 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1115977 (1.0 MiB) TX bytes:1183584 (1.1 MiB)
Interrupt:177

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:69 errors:0 dropped:0 overruns:0 frame:0
TX packets:69 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:11223 (10.9 KiB) TX bytes:11223 (10.9 KiB)

ppp0 Link encap:Point-to-Point Protocol
inet addr:10.1.29.127 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:94 errors:1 dropped:0 overruns:0 frame:0
TX packets:129 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:29027 (28.3 KiB) TX bytes:19582 (19.1 KiB)

[Balu]

Ako pozeram, to eth0 podla vsetkeho existuje (a funguje) dalej. Vsimnite si riadku route pred a po:

default frhojgenix3.gin 0.0.0.0 UG 0 0 0 eth0
default 10.6.6.6 0.0.0.0 UG 0 0 0 ppp0 

Cize vsetko ide cez rozhranie ppp0 namiesto eth0. Takisto (pokial viem)sa prenastavi aj DNS, takze branu frhojgenix3.gin ani nevie zistit. Zapametajte si jeho ip v sieti, a po pripojeni skuste zmenit defaultne routovanie.

[loydd]

"Zapametajte si jeho ip v sieti, a po pripojeni skuste zmenit defaultne routovanie." Asi jsem to presne nepochopil...

[root@homer ~]# killall pppd
pppd: no process killed
[root@homer ~]# ifup ppp0
[root@homer ~]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.6.6.6 * 255.255.255.255 UH 0 0 0 ppp0
213.195.208.128 * 255.255.255.192 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default 10.6.6.6 0.0.0.0 UG 0 0 0 ppp0

[root@homer ~]# route add default gw 213.195.208.129 dev eth0
[root@homer ~]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.6.6.6 * 255.255.255.255 UH 0 0 0 ppp0
213.195.208.128 * 255.255.255.192 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default frhojgenix3.gin 0.0.0.0 UG 0 0 0 eth0
default 10.6.6.6 0.0.0.0 UG 0 0 0 ppp0

Ale pomohlo mi to tak napul, vsechno totiz bezi pres eth0. Ale je pravda, ze eth0 mi to neschodilo. Jak si ale muzu mezi eth0 a ppp0 prepinat?

[Balu]

presne takto, ako ste pridal dalsi default gw na eth0, len pred prepnutim na eth0 treba zrusit default routovanie na ppp0 : route del gw 10.6.6.6 a potom nahodit routovanie na eth0 tak ako ste to urobili. Ked chcete zmenit tok z eth0 na ppp0 tak zas: zrusit routovanie do eth0 a vytvorit routovanie do ppp0. Odporucam urobit si nejaky jednoduchy skriptik.

[Medved09]

Nevim, jestli je to vas pripad, ale u nektereho operatora je nutne zadat alespon nejake libovolne jmeno a heslo

Taky zkuste ten init string od kolegy, takhle pouze zavolate prvni GPRS profil v modemu, coz v pripade nokii neni 100% cesta k uspechu...