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The plain protocol is specifically designed to do what you request. With MPTCP you can establish a connection to your peer tell the peer your available endpoints (like IP address of ppp0 and eth0) from this point all negotiated paths can be used, but you also can define one link as active and the others as fallback If one of your paths fails, MPTCP will ...


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Check /etc/ppp/options. DO NOT Edit this file, rather copy it to some location and make edit. check this: # Disable Address/Control compression negotiation (use default, i.e. # address/control field disabled). #-ac More info you can find here in the PPP-HOWTO.


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I believe you can use Wireshark to determine why these packets are being retransmitted. Excerpted from this thread in the Wireshark forum, titled: Wireshark-users: Re: [Wireshark-users] tcp errors detection. excerpt #1 On Sun, Apr 18, 2010 at 4:17 PM, Victor lyamtsev wrote: Hi, how can i locate retransmission error for TCP sequence in ...


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Important: you can always override your default options with local options. from man pppd /etc/ppp/options System default options for pppd, read before user default options or command-line options. and also ~/.ppprc /etc/ppp/options.ttyname /etc/ppp/peers you should enable debug options (sometimes also kdebug) debug ...


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you can only see the signal strength by adding this line into wvdial.conf : Init4 = AT+CSQ The Values are Min-Max = 0 - 30. For the type of connection you can only see it by the lights on the device. EDIT: AT^SYSINFO gives different useful information, among these is the connection type.


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chat & pppd chat is a program that the pppd program can use to dial a modem connection. It is provided with a script of that describes the conversation required to establish the connection. (A conversation in this context is a series of commands issued by chat, and responses received from the modem.) pon & poff pon and poff are commands used to ...


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man interface-order first. There is a way as well to ignore some settings that DHCP provides. Check for prepend and request options at man dhclient.conf


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"I've seen downloads on these modems crawl to 800 bytes/second." You've not given loss measurements, so it is impossible to tell if you are seeing congestion or merely smaller-than-spec channel capacity. It is important to note that TCP was designed on hardware much slower and probably with a greater error rate than your equipment. For slower ...


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Solution 1: Run dmesg and watch out for ttyUSB* lines if your modem interface is a classical emulated serial interface. Solution 2: Browse /sys/bus/usb/devices/X-1:Y:*/ until you find useful information. Based on your line Bus 003 Device 013: ID 0421:0007 Nokia Mobile Phones, i would guess X=3 and Y= 12 (13 minus one). Solution 3: Run udevadm monitor as ...


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I believe you can use the command ppstats -z to display compression statistics. If it displays all zeros then compression is not enabled. excerpt from man page -z Instead of the standard display, show statistics indicating the performance of the packet compression algorithm in use. When the -z option is specified, instead displays the ...


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I came across this Chromium project post that shows what you want. It's titled: Debugging a cellular modem. excerpt from that page Communicating directly with a modem with the AT command set Most modems support AT commands which control the modem and query for information. On a Chromium OS device with the developer mode enabled, you can use the ...


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Assuming you have a more recent version than 0.9.6: $ nmcli --version nmcli tool, version 0.9.8.8-2.fc19 You can create devices like so via the command line using the dev commands within nmcli: excerpt from nmcli man page nmcli dev wifi con "Cafe Hotspot 1" password caffeine name "My cafe" creates a new connection named "My cafe" and then ...



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