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I'm using a DIGI Connectcore 6 SBC with a Telit He910 as a Modem and once or twice a day the connection hangs. This is what happens
I/pppd ( 1216): No response to 3 echo-requests
I/pppd ( 1216): Serial link appears to be disconnected.
I/pppd ( 1216): Connect time 10144264.4 minutes.
I/pppd ( 1216): Sent 273626 bytes, received 3973358 bytes.
D/pppd ( 1216): Script /etc/ppp/ip-down-ppp0 started (pid 10447)
D/pppd ( 1216): sent [LCP TermReq id=0x2 "Peer not responding"]
I/ip-down-ppp0(10447): ip-down-ppp0 script is launched with
I/ip-down-ppp0(10447): Interface : ppp0
I/ip-down-ppp0(10447): TTY device : /dev/ttyACM0
I/ip-down-ppp0(10447): TTY speed : 115200
I/ip-down-ppp0(10447): Local IP : 10.0.55.193
I/ip-down-ppp0(10447): Remote IP : 10.0.55.193
I/ip-down-ppp0(10447): cannot connect rild-ppp socket
I/ip-down-ppp0(10447): send ppp-down to rild-ppp
I/ip-down-ppp0(10447): send ppp-down to rild-ppp end
D/pppd ( 1216): Script /etc/ppp/ip-down-ppp0 finished (pid 10447), status = 0x0
D/pppd ( 1216): sent [LCP TermReq id=0x3 "Peer not responding"]
I/pppd ( 1216): Connection terminated.
Here is my config file:
defaultroute
# lock
noauth
# Debug info from pppd
debug
#kdebug 4
# Most phones don't reply to LCP echos
lcp-echo-failure 3
lcp-echo-interval 3
# Keep pppd attached to the terminal
# Comment this to get daemon mode pppd
nodetach
# The chat script (be sure to edit that file, too!)
connect "/system/bin/chat -v -f /etc/ppp/conf-chat-swisscom"
# Serial Device to which the modem is connected
/dev/ttyACM0
# Serial port line speed
115200
dump
# The phone is not required to authenticate
#noauth
user gprs
name gprs
password gprs
# If you want to use the HSDPA link as your gateway
defaultroute
# pppd must not propose any IP address to the peer
#noipdefault
ipcp-accept-local
ipcp-accept-remote
# Keep modem up even if connection fails
#persist
# Hardware flow control
crtscts
# Ask the peer for up to 2 DNS server addresses
usepeerdns
# No ppp compression
novj
nobsdcomp
novjccomp
nopcomp
noaccomp
# For sanity, keep a lock on the serial line
# lock
# Show password in debug messages
show-password
linkname ppp0
I am hitting a dead end, and it's really frustrating