I'm still having problems with the pair RB912 / MC8790
Connection is very unstable. At startup, I usually get 3G link for like 30 seconds, and then it just stops. (info shows "Limited service"). Then after a few minutes, my operator is active again and i have a chance to connect for a few seconds.
The 3G Sim card seems not in cause as it works well with a RB411 / MC8705 or with my phone.
Log:
00:00:47 async,ppp,info ppp-out1: initializing...
00:00:47 async,ppp,info ppp-out1: reseting link...
00:00:48 async,ppp,info ppp-out1: initializing modem...
00:00:48 async,ppp,info ppp-out1: dialing out...
00:00:49 async,ppp,info ppp-out1: initializing modem...
00:00:49 async,ppp,info ppp-out1: dialing out...
00:00:50 async,ppp,info ppp-out1: initializing modem...
00:00:50 async,ppp,info ppp-out1: dialing out...
00:00:51 async,ppp,info ppp-out1: initializing modem...
00:00:51 async,ppp,info ppp-out1: dialing out...
00:00:52 async,ppp,info ppp-out1: initializing modem...
00:00:52 async,ppp,info ppp-out1: dialing out...
00:00:53 async,ppp,info ppp-out1: initializing modem...
00:00:53 async,ppp,info ppp-out1: dialing out...
00:00:53 async,ppp,info ppp-out1: authenticated
00:01:18 async,ppp,info ppp-out1: could not determine remote address, using 10.112.112.117
00:01:18 async,ppp,info ppp-out1: connected
00:01:18 system,info dns changed
00:01:35 system,info,account user admin logged in via local
00:02:28 async,ppp,info ppp-out1: terminating... - peer is not responding
and simultaneously, when link gets active:
[admin@MikroTik] > ping 178.32.243.134
HOST SIZE TTL TIME STATUS
178.32.243.134 56 51 606ms
178.32.243.134 56 51 126ms
178.32.243.134 56 51 186ms
178.32.243.134 56 51 136ms
178.32.243.134 56 51 186ms
178.32.243.134 56 51 126ms
178.32.243.134 56 51 196ms
178.32.243.134 56 51 125ms
178.32.243.134 56 51 284ms
178.32.243.134 56 51 136ms
178.32.243.134 56 51 706ms
178.32.243.134 56 51 237ms
178.32.243.134 56 51 166ms
178.32.243.134 56 51 226ms
178.32.243.134 timeout
178.32.243.134 56 51 223ms
178.32.243.134 56 51 186ms
178.32.243.134 timeout
178.32.243.134 timeout
178.32.243.134 timeout
sent=20 received=16 packet-loss=20% min-rtt=125ms avg-rtt=240ms
max-rtt=706ms
HOST SIZE TTL TIME STATUS
178.32.243.134 timeout
178.32.243.134 timeout
178.32.243.134 timeout
178.32.243.134 timeout
178.32.243.134 timeout
Some details on config:
[admin@MikroTik] > /system serial-terminal usb1 channel=3
[Ctrl-A is the prefix key]
ATI
Manufacturer: Sierra Wireless, Incorporated
Model: MC8790
Revision: K2_0_7_35AP C:/WS/FW/K2_0_7_35AP/MSM6290/SRC 2010/03/04 17:37:08
IMEI: 352974020787982
IMEI SV: 16
FSN: D661349142910
3GPP Release 6
+GCAP: +CGSM,+DS,+ES
OK
[admin@MikroTik] > /interface ppp-client export
# jan/02/1970 00:04:16 by RouterOS 5.25
# software id = JVTU-4XYZ
#
/interface ppp-client
add add-default-route=yes allow=pap,chap,mschap1,mschap2 apn=bouygtel.fr \
data-channel=4 dial-command=ATDT dial-on-demand=no disabled=yes \
info-channel=3 keepalive-timeout=30 max-mru=1500 max-mtu=1500 modem-init=\
"AT+CFUN=1" mrru=disabled name=ppp-out1 null-modem=no password="" phone=\
*99# pin="" port=usb1 profile=default-encryption use-peer-dns=yes user=""
Tried with various RoS versions (5.25, 6.11), various modem-init commands (AT!GRESET,AT+CFUN=1), various phone commands (nothing, *99#), same results
As stated in
http://forum.sierrawireless.com//viewto ... 117&t=7481 it's maybe a "airplane mode" problem, but i can't even enter the right command in serial-terminal, as the default password "A710" does not work
[admin@MikroTik] > /system serial-terminal usb1 channel=3
[Ctrl-A is the prefix key]
AT!ENTERCND="A710"
ERROR