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• pppd disconnects from 3G, doesn't reconnect, w/ persist set

  - by bytenik

  I am trying to configure pppd to connect to a 3G network (Sprint, in this case) and then stay connected, reconnecting automatically if the remote connection is terminated. I have enabled the persist option. My configuration file is as follows: hide-password noauth connect "/usr/sbin/chat -v -f /etc/chatscripts/cellular" debug /dev/cell 921600 defaultroute noipdefault user " " persist maxfail 0 lcp-echo-failure 10 lcp-echo-interval 60 holdoff 5 However, when the peer disconnects the connection, pppd often waits a long time (substantially more than my holdoff) to reconnect the modem -- if it ever reconnects at all! An example log showing this: May 23 05:17:24 00270e0a8888 pppd[2408]: rcvd [LCP TermReq id=0x26] May 23 05:17:24 00270e0a8888 pppd[2408]: LCP terminated by peer May 23 05:17:24 00270e0a8888 pppd[2408]: Connect time 60.1 minutes. May 23 05:17:24 00270e0a8888 pppd[2408]: Sent 0 bytes, received 0 bytes. May 23 05:17:24 00270e0a8888 pppd[2408]: Script /etc/ppp/ip-down started (pid 2456) May 23 05:17:24 00270e0a8888 pppd[2408]: sent [LCP TermAck id=0x26] May 23 05:17:24 00270e0a8888 pppd[2408]: Script /etc/ppp/ip-down finished (pid 2456), status = 0x0 May 23 05:17:24 00270e0a8888 pppd[2408]: Hangup (SIGHUP) May 23 05:17:24 00270e0a8888 pppd[2408]: Modem hangup May 23 05:17:24 00270e0a8888 pppd[2408]: Connection terminated. May 23 05:17:24 00270e0a8888 pppd[2408]: Terminating on signal 15 May 23 05:17:24 00270e0a8888 pppd[2408]: Exit. May 23 06:08:07 00270e0a8888 pppd[2500]: pppd 2.4.5 started by root, uid 0 May 23 06:08:10 00270e0a8888 pppd[2500]: Script /usr/sbin/chat -v -f /etc/chatscripts/cellular finished (pid 2530), status = 0x0 May 23 06:08:10 00270e0a8888 pppd[2500]: Serial connection established. May 23 06:08:10 00270e0a8888 pppd[2500]: using channel 11 The disconnect at the request of the peer occurs at 5:17, but the reconnect didn't happen until 6:08. I had a friend monitoring the server so I'm not certain that this wasn't a manual reconnection. Either way, it either took almost an hour to reconnect or never reconnected. Shouldn't persist + holdoff 5 cause this to automatically reconnect after 5 seconds of the link terminating?

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• error 734 the ppp link control protocal was terminated

  - by satheesh

  Hi, i want to connect my mobile internet to pc using bluetooth device. I installed blue soleil software in my pc. Steps: 1.I can able to pair my cellphone with pc bluetooth device. 2.I selected my device and select bluetooth dialup networking service. 3.It asks an alert "DUN connection with device?" in my mobile. 4.After Clicked "YES", connect bluetooth DUN connection window opens. 5.In that window there was a fields "User Name", "PassWord" which i leave empty and then in "Dial = 99**1#" and click Dial button. 6.After that it say "Registering your computer on the netwok.." and become fails. 7. The Error is as "error 734 the ppp link control protocal was terminated" The same procedure should be followed for Nokia 3110c it works fine.But in my samsung mobile c3053 it not connected also i am tryig with samsung corby pro BT3510 mobile . Is there any settings changes needed for samsung mobiles ? Can anyone help me ? Thanks in advance...........

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• Cisco 678 Will Not Work using PPPoE - Possibly Because I Configured it Incorrectly..?

  - by Brian Stinar

  I am attempting to configure a Cisco 678 because I am totally sick on my Actiontec. However, I am running into some problems. It seems as though the Cisco is able to train the line, but I am unable to ping out. I am all right at programming, but still learning a lot when it comes to being a system administrator. I apologize in advance if I did something ridiculous, or am attempting to configure this device to do something it was not designed to do. It is almost like I am not correctly configuring the device to grab it's IP using PPPoA (like my Actiontec.) The output from "show running" (below) makes me think this too. Below are the commands I ran in order to configure this: # en # set nvram erase # write # reboot # en # set nat enable # set dhcp server enable # set PPP wan0-0 ipcp 0.0.0.0 # set ppp wan0-0 dns 0.0.0.0 # set PPP wan0-0 login xxxxx // My actual login # set PPP wan0-0 password yyyyy // My actual password # set PPP restart enabled # set int wan0-0 close # set int wan0-0 vpi 0 # set int wan0-0 vci 32 # set int wan0-0 open # write # reboot Here is the output from a few commands I thought could provide some useful information: cbos#ping 74.125.224.113 Sending 1 8 byte ping(s) to 74.125.224.113 every 2 second(s) Request timed out cbos#show version Cisco Broadband Operating System CBOS (tm) 678 Software (C678-I-M), Version v2.4.9 - Release Software Copyright (c) 1986-2001 by cisco Systems, Inc. Compiled Nov 17 2004 15:26:29 DMT FULL firmware version G96 NVRAM image at 0x1030f000 cbos#show errors - Current Error Messages - ## Ticks Module Level Message 0 000:00:00:00 PPP Info IPCP Open Event on wan0-0 1 000:00:00:14 ATM Info Wan0 Up 2 000:00:00:14 PPP Info PPP Up Event on wan0-0 3 000:00:01:54 PPP Info PPP Down Event on wan0-0 Total Number of Error Messages: 4 cbos#show interface wan0 wan0 ADSL Physical Port Line Trained Actual Configuration: Overhead Framing: 3 Trellis Coding: Enabled Standard Compliance: T1.413 Downstream Data Rate: 1184 Kbps Upstream Data Rate: 928 Kbps Interleave S Downstream: 4 Interleave D Downstream: 16 Interleave R Downstream: 16 Interleave S Upstream: 4 Interleave D Upstream: 8 Interleave R Upstream: 16 Modem Microcode: G96 DSP version: 0 Operating State: Showtime/Data Mode Configured: Echo Cancellation: Disabled Overhead Framing: 3 Coding Gain: Auto TX Power Attenuation: 0dB Trellis Coding: Enabled Bit Swapping: Disabled Standard Compliance: T1.413 Remote Standard Compliance: T1.413 Tx Start Bin: 0x6 Tx End Bin: 0x1f Data Interface: Utopia L1 Status: Local SNR Margin: 19.0dB Local Coding Gain: 7.5dB Local Transmit Power: 12.5dB Local Attenuation: 46.0dB Remote Attenuation: 31.0dB Local Counters: Interleaved RS Corrected Bytes: 0 Interleaved Symbols with CRC Errors: 2 No Cell Delineation Interleaved: 0 Out of Cell Delineation Interleaved: 0 Header Error Check Counter Interleaved: 0 Count of Severely Errored Frames: 0 Count of Loss of Signal Frames: 0 Remote Counters: Interleaved RS Corrected Bytes: 0 Interleaved Symbols with CRC Errors: 1 No Cell Delineation Interleaved: 0 Header Error Check Counter Interleaved: 0 Count of Severely Errored Frames: 0 Count of Loss of Signal Frames: 0 cbos#show int wan0-0 WAN0-0 ATM Logical Port PVC (VPI 0, VCI 32) is configured. ScalaRate set to Auto AAL 5 UBR Traffic IP Port Enabled cbos#show running Warning: traffic may pause while NVRAM is being accessed [[ CBOS = Section Start ]] NSOS MD5 Enable Password = XXXX NSOS MD5 Root Password = XXXX NSOS MD5 Commander Password = XXXX [[ PPP Device Driver = Section Start ]] PPP Port User Name = 00, "XXXX" PPP Port User Password = 00, XXXX PPP Port Option = 00, IPCP,IP Address,3,Auto,Negotiation Not Required,Negotiable ,IP,0.0.0.0 PPP Port Option = 00, IPCP,Primary DNS Server,129,Auto,Negotiation Not Required, Negotiable,IP,0.0.0.0 PPP Port Option = 00, IPCP,Secondary DNS Server,131,Auto,Negotiation Not Require d,Negotiable,IP,0.0.0.0 [[ ATM WAN Device Driver = Section Start ]] ATM WAN Virtual Connection Parms = 00, 0, 32, 0 [[ DHCP = Section Start ]] DHCP Server = enabled [[ IP Routing = Section Start ]] IP NAT = enabled [[ WEB = Section Start ]] WEB = enabled cbos# wtf...? Thank you all very much for taking the time to read this, and the help.

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• debian modem problems !!!

  - by Raafat

  hay there guys ... I'm a new Debian user, it looks like a very good choice 4 me, every thing is stable, free and easy to use. the problem is, I'm using my modem to establish a dial up connection to the internet (ppp) (a very old stupid way I'm forced to use for now), and using the KPPP application to do that, and nothing is working properly for me. it seems like it didn't recognize my modem or something. i already tried to make a few stuff, and now i know my modem is on /dev/tty0, so i made a link for that on /dev/modem, and query the modem using KPPP and it responded with something like: Ati : Ati0: Ati1: ... ... Ati7: with a textBox to fill up in front of each one of thees Atis, and now, when i press connect on kppp, it says modem ready, and that's it. BTW, my modem is MDC AC'97 any suggestions pleas ....

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• Debian modem problem

  - by Raafat

  I'm a new Debian user, it looks like a very good choice 4 me, every thing is stable, free and easy to use. The problem is, I'm using my modem to establish a dial up connection to the internet (ppp) (a very old stupid way I'm forced to use for now), and using the KPPP application to do that, and nothing is working properly for me. it seems like it didn't recognize my modem or something. I already tried to make a few stuff, and now i know my modem is on /dev/tty0, so i made a link for that on /dev/modem, and query the modem using KPPP and it responded with something like: Ati : Ati0: Ati1: ... ... Ati7: with a textBox to fill up in front of each one of thees Atis, and now, when i press connect on kppp, it says modem ready, and that's it. BTW, my modem is MDC AC'97

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• Which interface defines the physical address of a Dialup connection

  - by Debabratta

  I use dial up connection to connect to the Internet. When I type ipconfig/all in the command prompt it shows me a physical address along with description for the dial up connection. The description field shows WAN(PPP/SLIP)Interface. I want to know upon which this physical address depends? It depends on my computer or ISP. On changing my ISP, physical address for this dialup connection will change or remain same? Please give some idea.

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• Problem connecting to isp server using xl2tpd as client. Ubuntu server 13.04

  - by Deon Pretorius

  I have followed guides found on google and ubuntu support pages and can get xl2tpd connection up but only under the following conditions: 1 - ADSL model must be configured and connected to the ISP or 2 - ADSL modem in bridge mode I must have an existing PPPoe connection established. If neither of the above are active xl2tpd wont trigger pppd and connect to the isp and thus tunnel connection fails to connect to the L2TP server of the ISP. Am I doing something wrong; /etc/ppp/options.l2tpd.axxess ipcp-accept-local ipcp-accept-remote refuse-eap refuse-chap require-pap noccp noauth idle 1800 mtu 1200 mru 1200 defaultroute usepeerdns debug lock connect-delay 5000 name (name used for ppp connection) /etc/ppp/pap-secrets # * password (name used for ppp connection as above) * (ppp password supplied by isp) /etc/xl2tpd/xl2tpd.conf [global] ; Global parameters: auth file = /etc/xl2tpd/l2tp-secrets ; * Where our challenge secrets are access control = yes ; * Refuse connections without IP match debug tunnel = yes [lac axxess] lns = 196.30.121.50 ; * Who is our LNS? redial = yes ; * Redial if disconnected? redial timeout = 5 ; * Wait n seconds between redials max redials = 5 ; * Give up after n consecutive failures hidden bit = yes ; * User hidden AVP's? length bit = yes ; * Use length bit in payload? require pap = yes ; * Require PAP auth. by peer require chap = no ; * Require CHAP auth. by peer refuse chap = yes ; * Refuse CHAP authentication require authentication = yes ; * Require peer to authenticate name = BLA85003@axxess ; * Report this as our hostname ppp debug = yes ; * Turn on PPP debugging pppoptfile = /etc/ppp/options.l2tpd.axxess ; * ppp options file for this lac /etc/xl2tpd/l2tp-secrets # Secrets for authenticating l2tp tunnels # us them secret # * marko blah2 # zeus marko blah # * * interop * vzb_l2tp (*** secret supplied by isp) ^ isp server host name Any help will be greatly appreciated

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• How can I use my cell phone to establish a dial-up networking connection?

  - by gWiz

  I am using Windows 7 and have a BlackBerry with T-Mobile (U.S.). I have paired the phone with my computer over Bluetooth, which automatically creates a serial port for it. I am able to open the port in PuTTY and successfully issue AT commands to the modem, including dialing. However, while using Windows to create and establish a Dial-Up Networking connection, I get an error dialog stating "Error 678. The remote computer did not respond." In my testing, I also tried setting up a connection to dial a number connected to a phone. When attempting to connect over this connection, the phone does ring but the very moment I answer the call, my computer displays the above error dialog. What must be done to successfully establish such a PPP connection? Some special AT initialization string perhaps? To clarify, I'm not referring to the well-described and popular technique known as "tethering," in which the remote host of the data link is the mobile service provider. I am interested specifically in establishing direct data links with remote hosts other than my mobile service provider. Think old-school landline connection to your friend's computer or BBS. Edit 1 As grawity pointed out in comments, the missing piece of the puzzle is the actual modulator that is compatible with v-series protocols, which I expected to be built into the cellphone. So far the best only software alternative I could find is this experimental project. Edit 2 Found this forum discussion today. The participants state that there is no old-school modem in the BlackBerry. Edit 3 When I place a call in PuTTY with ATD, immediately after the call is answered (and the callee is initiating the handshake) the cellphone returns OK. This is not the expected behavior for establishing a data connection. The phone should reciprocate the handshake, and upon success return CONNECT. (Alternatively it should return BUSY or NO CARRIER, but never simply OK.) Windows DUN must be interpreting this as the "Error 678" I was seeing.

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• Why doesn't pppd over ssh work here? Why can't I kill pppd?

  - by Peter V. Mørch

  I'm trying to setup a simple ppp tunnel over ssh. It works on several machines just fine. But on one machine, pppd gets "stuck": > pgrep pppd | xargs ps up USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 4178 0.0 0.1 3020 1088 pts/1 Ds+ 05:28 0:00 /usr/sbin/pppd Any attempt to kill it (even sudo kill -9 4178) has no effect that I can see. strace -p 4178 also hangs similarly. After it has been started for a while, I start getting messages in dmesg like shown below. It is started like so from another machine: ssh -t root@server /usr/sbin/pppd passive noauth When I do this to one of the machines that work, the remote end's pppd spits out garbage/binary data to the console (as expected). When I do it to the one that fails, I get no output from pppd, but the ssh session eventually times out. If I instead ssh to the machine, and then run /usr/sbin/pppd passive noauth in a separate step I also get the expected binary output. I now have a couple of questions: What could be up with the one machine where pppd fails? I don't even know where to start looking... What could be the difference between ssh -t root@server /usr/sbin/pppd passive noauth in a single step and ssh root@server and /usr/sbin/pppd passive noauth in two steps? How can it be that I can't kill the process even with sudo kill -9? The only way I know is to reboot. (I've tried searching for something similar but didn't get anywhere so I'm sorry I don't have any more leads) Any ideas? The problem machine runs in debian on VMware "hardware" (as do the ones that work) and it exhibits the problem when cloned and on both debian lenny (original) and squeeze (after upgrade) dmesg entries: [ 1198.727248] INFO: task pppd:4178 blocked for more than 120 seconds. [ 1198.727507] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1198.727904] pppd D ece2dc9c 0 4178 4174 0x00000004 [ 1198.727908] 00000098 00000082 f2503520 ece2dc9c 0000b1e7 00000000 c148d1c0 c148d1c0 [ 1198.727913] f2a06100 f6e071c0 00000000 ece2dc18 f5cd07e0 00000000 ece2d400 ece2dc9d [ 1198.727918] 00c52300 ece2dcbc f67bfef8 ec98e480 f291cec0 00000000 c10cf5b0 c10dfd21 [ 1198.727923] Call Trace: [ 1198.727926] [<c10cf5b0>] ? nameidata_to_filp+0x37/0x41 [ 1198.727929] [<c10dfd21>] ? dput+0x21/0xb7 [ 1198.727932] [<c11cfecc>] ? tty_ldisc_ref_wait+0x5f/0x76 [ 1198.727935] [<c104de7a>] ? wake_up_bit+0x5c/0x5c [ 1198.727938] [<c11cb91b>] ? tty_ioctl+0x85f/0x8ba [ 1198.727941] [<c10fec18>] ? do_lock_file_wait+0x3d/0xd9 [ 1198.727944] [<c1162c97>] ? _copy_from_user+0x2b/0x102 [ 1198.727946] [<c11cb0bc>] ? tty_check_change+0xb9/0xb9 [ 1198.727949] [<c10dbeb7>] ? do_vfs_ioctl+0x485/0x4c7 [ 1198.727952] [<c10db59a>] ? do_fcntl+0x24f/0x3a2 [ 1198.727954] [<c10dbf3a>] ? sys_ioctl+0x41/0x58 [ 1198.727957] [<c12c6a1f>] ? sysenter_do_call+0x12/0x28 [ 1318.457225] INFO: task sshd:4174 blocked for more than 120 seconds. [ 1318.457500] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1318.457896] sshd D f25024cc 0 4174 2393 0x00000000 [ 1318.457901] 00000098 00000086 f2a06940 f25024cc 0000b246 00000000 c148d1c0 c148d1c0 [ 1318.457906] f2503520 f6e071c0 00000000 3f056585 0000000f ece2d4bc 3f056585 f2503520 [ 1318.457911] ec98bb38 ec98bbdc 00000000 00000000 00000000 c12c09b5 f2503520 c10327cb [ 1318.457916] Call Trace: [ 1318.457926] [<c12c09b5>] ? schedule_hrtimeout_range_clock+0x3c/0xd9 [ 1318.457931] [<c10327cb>] ? try_to_wake_up+0x13f/0x13f [ 1318.457935] [<c11cfecc>] ? tty_ldisc_ref_wait+0x5f/0x76 [ 1318.457940] [<c104de7a>] ? wake_up_bit+0x5c/0x5c [ 1318.457943] [<c11c9ad3>] ? tty_poll+0x32/0x5e [ 1318.457947] [<c10dd4d5>] ? do_select+0x2a1/0x42e [ 1318.457950] [<c10dcb83>] ? poll_freewait+0x69/0x69 [ 1318.457953] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457955] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457958] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457960] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457963] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457965] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457968] [<c10dcc25>] ? __pollwait+0xa2/0xa2 [ 1318.457971] [<c10429c2>] ? lock_timer_base+0x19/0x35 [ 1318.457974] [<c1042eb5>] ? __mod_timer+0x10c/0x116 [ 1318.457977] [<c1042f89>] ? mod_timer+0x69/0x6e [ 1318.457981] [<c121325d>] ? sk_reset_timer+0xc/0x16 [ 1318.457984] [<c1252f57>] ? tcp_event_new_data_sent+0x66/0x6b [ 1318.457987] [<c1255b85>] ? tcp_write_xmit+0x7a7/0x86a [ 1318.457990] [<c121760d>] ? __alloc_skb+0x50/0xfd [ 1318.457994] [<c12c12bc>] ? _raw_spin_lock_bh+0x8/0x1e [ 1318.457996] [<c1212e98>] ? release_sock+0x10/0xc4 [ 1318.457999] [<c124b543>] ? tcp_sendmsg+0x6dd/0x7b7 [ 1318.458003] [<c1162c97>] ? _copy_from_user+0x2b/0x102 [ 1318.458006] [<c10dd7a0>] ? core_sys_select+0x13e/0x1c3 [ 1318.458009] [<c12102a3>] ? sock_aio_write+0xc0/0xd4 [ 1318.458012] [<c10d0655>] ? do_sync_write+0xa0/0xe4 [ 1318.458016] [<c10b141c>] ? handle_mm_fault+0x222/0x238 [ 1318.458019] [<c10f6096>] ? fsnotify+0x1de/0x1f9 [ 1318.458022] [<c10dd9e8>] ? sys_select+0x6e/0x8f [ 1318.458024] [<c10d105e>] ? sys_write+0x3c/0x63 [ 1318.458028] [<c12c6a1f>] ? sysenter_do_call+0x12/0x28

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• setup L2TP on Ubuntu 10.10

  - by luca

  I'm following this guide to setup a VPS on my Ubuntu VPS: http://riobard.com/blog/2010-04-30-l2tp-over-ipsec-ubuntu/ My config files are setup as in that guide, openswan version is 2.6.26 I think.. It doesn't work, I can show you my auth.log (on the VPS): Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [RFC 3947] method set to=109 Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike] method set to=110 Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: ignoring unknown Vendor ID payload [8f8d83826d246b6fc7a8a6a428c11de8] Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: ignoring unknown Vendor ID payload [439b59f8ba676c4c7737ae22eab8f582] Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: ignoring unknown Vendor ID payload [4d1e0e136deafa34c4f3ea9f02ec7285] Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: ignoring unknown Vendor ID payload [80d0bb3def54565ee84645d4c85ce3ee] Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: ignoring unknown Vendor ID payload [9909b64eed937c6573de52ace952fa6b] Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-03] meth=108, but already using method 110 Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02] meth=107, but already using method 110 Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] meth=106, but already using method 110 Feb 18 06:11:07 maverick pluto[6909]: packet from 93.36.127.12:500: received Vendor ID payload [Dead Peer Detection] Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: responding to Main Mode from unknown peer 93.36.127.12 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: transition from state STATE_MAIN_R0 to state STATE_MAIN_R1 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: STATE_MAIN_R1: sent MR1, expecting MI2 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: NAT-Traversal: Result using draft-ietf-ipsec-nat-t-ike (MacOS X): peer is NATed Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: transition from state STATE_MAIN_R1 to state STATE_MAIN_R2 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: STATE_MAIN_R2: sent MR2, expecting MI3 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: Main mode peer ID is ID_IPV4_ADDR: '10.0.1.8' Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[7] 93.36.127.12 #7: switched from "L2TP-PSK-NAT" to "L2TP-PSK-NAT" Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: deleting connection "L2TP-PSK-NAT" instance with peer 93.36.127.12 {isakmp=#0/ipsec=#0} Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: transition from state STATE_MAIN_R2 to state STATE_MAIN_R3 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: new NAT mapping for #7, was 93.36.127.12:500, now 93.36.127.12:36810 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: STATE_MAIN_R3: sent MR3, ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=oakley_3des_cbc_192 prf=oakley_sha group=modp1024} Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: ignoring informational payload, type IPSEC_INITIAL_CONTACT msgid=00000000 Feb 18 06:11:07 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: received and ignored informational message Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: the peer proposed: 69.147.233.173/32:17/1701 -> 10.0.1.8/32:17/0 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: responding to Quick Mode proposal {msgid:183463cf} Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: us: 69.147.233.173<69.147.233.173>[+S=C]:17/1701 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: them: 93.36.127.12[10.0.1.8,+S=C]:17/64111===10.0.1.8/32 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: transition from state STATE_QUICK_R0 to state STATE_QUICK_R1 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: STATE_QUICK_R1: sent QR1, inbound IPsec SA installed, expecting QI2 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: transition from state STATE_QUICK_R1 to state STATE_QUICK_R2 Feb 18 06:11:08 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #8: STATE_QUICK_R2: IPsec SA established transport mode {ESP=>0x0b1cf725 <0x0b719671 xfrm=AES_128-HMAC_SHA1 NATOA=none NATD=93.36.127.12:36810 DPD=none} Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: received Delete SA(0x0b1cf725) payload: deleting IPSEC State #8 Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: netlink recvfrom() of response to our XFRM_MSG_DELPOLICY message for policy eroute_connection delete was too long: 100 > 36 Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: netlink recvfrom() of response to our XFRM_MSG_DELPOLICY message for policy [email protected] was too long: 168 > 36 Feb 18 06:11:28 maverick pluto[6909]: | raw_eroute result=0 Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: received and ignored informational message Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12 #7: received Delete SA payload: deleting ISAKMP State #7 Feb 18 06:11:28 maverick pluto[6909]: "L2TP-PSK-NAT"[8] 93.36.127.12: deleting connection "L2TP-PSK-NAT" instance with peer 93.36.127.12 {isakmp=#0/ipsec=#0} Feb 18 06:11:28 maverick pluto[6909]: packet from 93.36.127.12:36810: received and ignored informational message and my system log on OSX (from where I'm connecting): Feb 18 13:11:09 luca-ciorias-MacBook-Pro pppd[68656]: pppd 2.4.2 (Apple version 412.3) started by luca, uid 501 Feb 18 13:11:09 luca-ciorias-MacBook-Pro pppd[68656]: L2TP connecting to server '69.147.233.173' (69.147.233.173)... Feb 18 13:11:09 luca-ciorias-MacBook-Pro pppd[68656]: IPSec connection started Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: Connecting. Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Initiator, Main-Mode message 1). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: receive success. (Initiator, Main-Mode message 2). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Initiator, Main-Mode message 3). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: receive success. (Initiator, Main-Mode message 4). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Initiator, Main-Mode message 5). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Phase1 AUTH: success. (Initiator, Main-Mode Message 6). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: receive success. (Initiator, Main-Mode message 6). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Phase1 Initiator: success. (Initiator, Main-Mode). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Information message). Feb 18 13:11:09 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Information-Notice: transmit success. (ISAKMP-SA). Feb 18 13:11:10 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Initiator, Quick-Mode message 1). Feb 18 13:11:10 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: receive success. (Initiator, Quick-Mode message 2). Feb 18 13:11:10 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Initiator, Quick-Mode message 3). Feb 18 13:11:10 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Phase2 Initiator: success. (Initiator, Quick-Mode). Feb 18 13:11:10 luca-ciorias-MacBook-Pro racoon[68453]: Connected. Feb 18 13:11:10 luca-ciorias-MacBook-Pro pppd[68656]: IPSec connection established Feb 18 13:11:30 luca-ciorias-MacBook-Pro pppd[68656]: L2TP cannot connect to the server Feb 18 13:11:30 luca-ciorias-MacBook-Pro configd[20]: SCNCController: Disconnecting. (Connection tried to negotiate for, 22 seconds). Feb 18 13:11:30 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Information message). Feb 18 13:11:30 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Information-Notice: transmit success. (Delete IPSEC-SA). Feb 18 13:11:30 luca-ciorias-MacBook-Pro racoon[68453]: IKE Packet: transmit success. (Information message). Feb 18 13:11:30 luca-ciorias-MacBook-Pro racoon[68453]: IKEv1 Information-Notice: transmit success. (Delete ISAKMP-SA). Feb 18 13:11:31 luca-ciorias-MacBook-Pro racoon[68453]: Disconnecting. (Connection was up for, 20.157953 seconds).

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• Mac OS X L2TP VPN won't connect

  - by smokris

  I'm running Mac OS X Server 10.6, providing an L2TP VPN service. The VPN works just fine when connecting from all computers except one --- this one computer stays at the "Connecting..." stage for a while, then says "The L2TP-VPN server did not respond". In the console, I see this: 6/7/10 10:48:07 AM pppd[341] pppd 2.4.2 (Apple version 412.0.10) started by jdoe, uid 503 6/7/10 10:48:07 AM pppd[341] L2TP connecting to server 'foo.bar.baz.edu' (256.256.256.256)... 6/7/10 10:48:07 AM pppd[341] IPSec connection started 6/7/10 10:48:07 AM racoon[342] Connecting. 6/7/10 10:48:07 AM racoon[342] IKE Packet: transmit success. (Initiator, Main-Mode message 1). 6/7/10 10:48:08 AM racoon[342] IKE Packet: receive success. (Initiator, Main-Mode message 2). 6/7/10 10:48:08 AM racoon[342] IKE Packet: transmit success. (Initiator, Main-Mode message 3). 6/7/10 10:48:08 AM racoon[342] IKE Packet: receive success. (Initiator, Main-Mode message 4). 6/7/10 10:48:08 AM racoon[342] IKE Packet: transmit success. (Initiator, Main-Mode message 5). 6/7/10 10:48:11 AM racoon[342] IKE Packet: transmit success. (Phase1 Retransmit). 6/7/10 10:48:14 AM racoon[342] IKE Packet: transmit success. (Phase1 Retransmit). 6/7/10 10:48:17 AM racoon[342] IKE Packet: transmit success. (Phase1 Retransmit). ...and the "retransmit" messages continue until the error message pops up. So far I've unsuccessfully tried: rebooting deleting the VPN profile and recreating it verifying the client's internet connection (it is able to reach the VPN server) connecting through several different networks (in case a router was blocking VPN packets) disabling the Mac OS X Firewall on the client making sure that the VPN settings exactly match those of other working computers running software update (the client is on 10.6.3) Any ideas?

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• In Debian, how can I route rtorrent to a certain network interface, say ppp0?

  - by Timo

  I have purchased a PPTP account from StrongVPN and configured the setup by these (http://pptpclient.sourceforge.net/howto-debian.phtml#configure_by_hand) instructions and now I want to have rtorrent do its communication to the Internet through this VPN tunnel. So I have a ppp0 interface, which has the VPN tunnel. What is the next step? I guess it has something to do with the routing tables? I am new to routing, so please be elementary and precise so that I understand! Thank you!

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• In Debian, how can I route rtorrent to a certain network interface, say ppp0?

  - by Timo

  I have purchased a PPTP account from StrongVPN and configured the setup by these (http://pptpclient.sourceforge.net/howto-debian.phtml#configure_by_hand) instructions and now I want to have rtorrent do its communication to the Internet through this VPN tunnel. So I have a ppp0 interface, which has the VPN tunnel. What is the next step? I guess it has something to do with the routing tables? I am new to routing, so please be elementary and precise so that I understand! Thank you!

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• Error handling pppd configuration?

  - by Sebastian

  I have a computer, running ubuntu, that I want to be connected to the network at all times. It has a GSM modem connected to it via USB. Is there some program available that monitors that the networking is working (by pinging some site(s)), and if not tries to fix the error by reseting the modem, reloading the USB drivers and perhaps by dropping the USB port's current (if possible) to force the modem to reset ?

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• Reasonably Secure Alternative to Poptop PPTP Server for Ubuntu server and Windows clients?

  - by wag2639

  I have a poptp server running on a old Fedora server but I'm upgrading to an Ubuntu 10.04 server. I was wondering if there are any good, reasonable secure alternatives to poptop that in can install on our new Ubuntu server as a way to get VPN access from Windows clients (XP and 7) to get remote access into our Intranet. We only use the VPN to access files located inside the network; we do not need to use it as a proxy/gateway. I've looked into openVPN but it seemed way too complicated and I would prefer something built into Windows. A Windows 7 only solution is OK.

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• Why GPRS modem provides embedded TCP/IP stack

  - by Christian Madsen

  My colleague and I are mining the GPRS MODEM market for a module suitable for use with embedded Linux. During the market scan, we see that several vendors highlight that their MODEMs include an embedded TCP/IP stack. This makes me wonder: when we are using embedded Linux which already contains a TCP/IP stack and connects using PPP, will it make use of the stack included in the GPRS MODEM at all? My current assumption is that the stack is included for use with tiny microcontroller OS that do not supply their own stack. Also some of the MODEMs allow for running small applications IN the MODEM baseband processor which could explain the embedded stack... So: is the TCP/IP stack supplied by the GPRS MODEM superfluous when using it with an HL OS or did I overlook something?

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• Popen is no able to process a command that runs in shell

  - by IceMan85

  Hello everybody, I have already read the previous questions posted on the same argument but I really haven't figured it out yet. I am trying to run a command that works without issues from the command line : xyz@klm:~/python-remoteWorkspace/PyLogParser/src:18:43ush -o PPP -p PRD -n log 'pwd' 6:43PM PPP:prd:lgsprdppp:/ama/log/PRD/ppp but when I do the same in python I always get errors : stringa = Popen(["ush -o PPP -p PRD -n log 'pwd'"], stdout=PIPE, stdin=PIPE).communicate()[0] Here the error. Traceback (most recent call last): File "getStatData.py", line 134, in retrieveListOfFiles(infoToRetList) File "getStatData.py", line 120, in retrieveListOfFiles stringa = Popen(["ush -o PPP -p PRD -n log 'pwd'"], stdout=PIPE, stdin=PIPE).communicate()[0] File "/opt/python-2.6-64/lib/python2.6/subprocess.py", line 595, in init errread, errwrite) File "/opt/python-2.6-64/lib/python2.6/subprocess.py", line 1092, in _execute_child raise child_exception OSError: [Errno 2] No such file or directory I've tried also different solutions like stringa = Popen(["ush", "-o", "PPP", "-p" "PRD", "-n", "log", '"pwd"'], stdout=PIPE, stdin=PIPE).communicate()[0] but nothing seems to work. I have also tried to put the absolute path to ush but nothing... Can somebody please explain me what am I doing wrong ? Thanks in advance, AM.

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• Error 720 on VPN (PPTP) attempt

  - by Andy Shulman

  When I attempt to connect to a server running XP x64 (so essentially Server 2003) using a PPTP connection, it fails with client-side error Registering your computer on the network... Error 720: A connection to the remote computer could not be established. You might need to change the network settings for this configuration. and server-side error Event ID: 20050 The user WINSERV3\Andy connected to port VPN8-1 has been disconnected because no network protocols were successfully negotiated. I have configured the router to pass both TCP packets on 1723 and GRE packets. I have used Wireshark (filtering out ARP, UDP, and all TCP ports other than 1723) to observe the packets received by the server. Wireshark does not explicitly name any protocol GRE, but it does tell me the server sent and received TCP, PPTP, PPP LCP, PPP CHAP, PPP CBCP, and PPP IPCP. The connection seems to go wrong at packet 30, where the protocol is PPP LCP, with the payload of the packet being labeled "Protocol Reject". Obviously, this is going from server to client. This would seem to lead to the conclusion that there is something wrong with my client, which runs Windows 7 Ultimate x64. However, it is able to connect to my house's router, which runs the DD-WRT firmware and is thus a PPTP endpoint. I'm thoroughly at a loss. Please help!

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• Has the hardware in my modem gone bad?

  - by Tyler Scott

  I contacted CenturyLink about my modem recently and received useless and unrelated information. The problem seems to be that the modem will no longer save settings, the web interface is unusable except in internet explorer for some reason, and the modem keeps resetting. CenturyLink claimed it had to do with signal strength but I checked and it is currently between good and outstanding according to this. All of the lights remain green even when it starts acting up and I lose internet and shortly before it crashes and reboots. Does anyone have any idea what is going on or what I can do to fix it? (Asking CenturyLink again is obviously not going to help.) Update 1: Accessing the syslog from the web interface causes a crash. After it reboots, the log looks like as follows: 01/01/1970 12:01:29 AM Ethernet Ethernet client connected ,ip(192.168.0.2), mac(1c:6f:65:4c:6d:3b) 01/01/1970 12:01:38 AM Wireless 802.11 client connected ,ip(192.168.0.18), mac(d0:df:c7:c2:73:ca) 01/01/1970 12:01:41 AM System Event Line 0: VDSL2 link up, Bearer 0, us=20128, ds=40127 01/01/1970 12:01:43 AM dhcp6s[2028] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 01/01/1970 12:01:50 AM dhcp6s[2469] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 01/01/1970 12:01:52 AM radvd[2306] poll error: Interrupted system call 01/01/1970 12:01:56 AM PPP Link PPP server detected. 01/01/1970 12:01:56 AM PPP Link PPP session established. 01/01/1970 12:01:56 AM PPP Link PPP LCP UP. 01/01/1970 12:01:56 AM System Event Received valid IP address from server. Connection UP. 06/05/2014 08:16:01 AM radvd[2511] poll error: Interrupted system call 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:04 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:04 AM dhcp6s[3236] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 06/05/2014 08:16:08 AM Wireless 802.11 client connected ,ip(192.168.0.7), mac(44:6d:57:c4:d7:08) I also get it to crash on various other pages. I am guessing the web server is unstable.

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• Trying to configure HWIC-3G-HSPA

  - by user1174838

  I'm trying to configure a couple of Cisco 1941 routes. The are both identical routers. Each as a HWIC-1T (Smart Serial interface) and a HWIC-3G-HSPA 3G interface. These routers are to be sent to remote sites. We have connectivity to one of the sites but if remote site A gors down we lose connectivity to remote site B. The HWIC-1T is the primary WAN interface using frame relay joining the two remote sites We want the HWIC-3G-HSPA to be usable for direct connectivity from head office to remote site B, and also the HWIC-3G-HSPA is do be used for comms between the remote sites when the frame relay is down (happens quite a bit). I initialy tried to do dynamic routing using EIGRP however in my lab setup of laptop - 1941 - 1941 - laptop, I was unable to get end to end connectivity. I later settled on static routing and have got end to end connectivity but only over frame relay, not the HWIC-3G-HSPA. The sanitized running config for remote site A: version 15.1 service tcp-keepalives-in service tcp-keepalives-out service timestamps debug datetime msec service timestamps log datetime msec service password-encryption service udp-small-servers service tcp-small-servers ! hostname remoteA ! boot-start-marker boot-end-marker ! ! logging buffered 51200 warnings enable secret 5 censored ! no aaa new-model clock timezone wst 8 0 ! no ipv6 cef ip source-route ip cef ! ip domain name yourdomain.com multilink bundle-name authenticated ! chat-script gsm "" "ATDT*98*1#" TIMEOUT 30 "CONNECT" ! username admin privilege 15 secret 5 censored ! controller Cellular 0/1 ! interface Embedded-Service-Engine0/0 no ip address shutdown ! interface GigabitEthernet0/0 ip address 192.168.2.5 255.255.255.0 duplex auto speed auto ! interface GigabitEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/0/0 ip address 10.1.1.2 255.255.255.252 encapsulation frame-relay cdp enable frame-relay interface-dlci 16 frame-relay lmi-type ansi ! interface Cellular0/1/0 ip address negotiated encapsulation ppp dialer in-band dialer idle-timeout 2147483 dialer string gsm dialer-group 1 async mode interactive ppp chap hostname censored ppp chap password 7 censored cdp enable ! interface Cellular0/1/1 no ip address encapsulation ppp ! interface Dialer0 no ip address ! ip forward-protocol nd ! no ip http server no ip http secure-server ! ip route 0.0.0.0 0.0.0.0 Serial0/0/0 210 permanent ip route 0.0.0.0 0.0.0.0 Cellular0/1/0 220 permanent ip route 172.31.2.0 255.255.255.0 Cellular0/1/0 permanent ip route 192.168.3.0 255.255.255.0 10.1.1.1 permanent ip route 192.168.3.0 255.255.255.0 Cellular0/1/0 210 permanent ! access-list 1 permit any dialer-list 1 protocol ip list 1 ! control-plane ! line con 0 logging synchronous login local line aux 0 line 2 no activation-character no exec transport preferred none transport input all transport output pad telnet rlogin lapb-ta mop udptn v120 ssh stopbits 1 line 0/1/0 exec-timeout 0 0 script dialer gsm login modem InOut no exec transport input all rxspeed 7200000 txspeed 5760000 line 0/1/1 no exec rxspeed 7200000 txspeed 5760000 line vty 0 4 access-class 23 in privilege level 15 password 7 censored login local transport input all line vty 5 15 access-class 23 in privilege level 15 password 7 censored login local transport input all line vty 16 1370 password 7 censored login transport input all ! scheduler allocate 20000 1000 end The sanitized running config for remote site B: version 15.1 service tcp-keepalives-in service tcp-keepalives-out service timestamps debug datetime msec service timestamps log datetime msec service password-encryption service udp-small-servers service tcp-small-servers ! hostname remoteB ! boot-start-marker boot-end-marker ! logging buffered 51200 warnings enable secret 5 censored ! no aaa new-model clock timezone wst 8 0 ! no ipv6 cef ip source-route ip cef ! no ip domain lookup ip domain name yourdomain.com multilink bundle-name authenticated ! chat-script gsm "" "ATDT*98*1#" TIMEOUT 30 "CONNECT" username admin privilege 15 secret 5 censored ! controller Cellular 0/1 ! interface Embedded-Service-Engine0/0 no ip address shutdown ! interface GigabitEthernet0/0 ip address 192.168.3.1 255.255.255.0 duplex auto speed auto ! interface GigabitEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/0/0 ip address 10.1.1.1 255.255.255.252 encapsulation frame-relay clock rate 2000000 cdp enable frame-relay interface-dlci 16 frame-relay lmi-type ansi frame-relay intf-type dce ! interface Cellular0/1/0 ip address negotiated encapsulation ppp dialer in-band dialer idle-timeout 2147483 dialer string gsm dialer-group 1 async mode interactive ppp chap hostname censored ppp chap password 7 censored ppp ipcp dns request cdp enable ! interface Cellular0/1/1 no ip address encapsulation ppp ! interface Dialer0 no ip address ! ip forward-protocol nd ! no ip http server no ip http secure-server ! ip route 0.0.0.0 0.0.0.0 Serial0/0/0 210 permanent ip route 0.0.0.0 0.0.0.0 Cellular0/1/0 220 permanent ip route 172.31.2.0 255.255.255.0 Cellular0/1/0 permanent ip route 192.168.2.0 255.255.255.0 10.1.1.2 permanent ip route 192.168.2.0 255.255.255.0 Cellular0/1/0 210 permanent ! kron occurrence PING in 1 recurring policy-list ICMP ! access-list 1 permit any dialer-list 1 protocol ip list 1 ! control-plane ! line con 0 logging synchronous login local line aux 0 line 2 no activation-character no exec transport preferred none transport input all transport output pad telnet rlogin lapb-ta mop udptn v120 ssh stopbits 1 line 0/1/0 exec-timeout 0 0 script dialer gsm login modem InOut no exec transport input all rxspeed 7200000 txspeed 5760000 line 0/1/1 no exec rxspeed 7200000 txspeed 5760000 line vty 0 4 access-class 23 in privilege level 15 password 7 censored login transport input all line vty 5 15 access-class 23 in privilege level 15 password 7 censored login transport input all line vty 16 1370 password 7 censored login transport input all ! scheduler allocate 20000 1000 end The last problem I'm having is the 3G interfaces go down after only a few minutes of inactivity. I've tried using kron to ping the local HWIC-3G-HSPA interface (cellular 0/1/0) every minute but that hasn't been successful. Manually pinging the IP assigned (by the telco) to ce0/1/0 does bring the interface up. Any ideas? Thanks

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• Ubuntu PPTP VPN to Microsoft Server Command Line ONLY

  - by supreme

  I try to setup a VPN Connection from a Ubuntu 12.04 LTS to Microsoft VPN Server (Ubuntu is the Client in this Case), but I only get this error message: .. connection failed! Check the log messages below for information why. Couldn't open the /dev/ppp device: Operation not permitted FATAL: Module ppp_generic not found./usr/sbin/pppd: Sorry - this system lacks PPP kernel support Details you may need: modprobe -v ppp > FATAL: Module ppp not found. uname -r -> 2.6.32-042stab076.8

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• UBUNTU's Network Connection Manger can't detect Huawei ETS2051 Modem device!

  - by Doctoa

  I have a modem device called Huawei ETS2051 and the Network Connection Manger can't detect it, but when I use Gnome-PPP it work fine but the problem is when I use Gnome-PPP; apps like Ubuntu software Center Can't reconice that's Iam connecting to the Internet so the app is just act like it's offline while other apps like web browsers and IM's work good under Gnome-PPP. any way what I want is to have a Full Ubuntu experince by making The Network Connection Manger detect my ETS2051. I have another 3G USB modem and The Network Connection Manger detect it and it's work just fine but the internet price for this one is high and I can't effort it so am count on that ETS2051 modem as you can see for it's low price and stable internet speed that satesfy my needs. More information: Gnome-PPP is a GUI for wvdial. the ETS2051 modem use a serial USB port. I have a Windows driver CD for the device. I have also find This qustion about the software Center acting like it's offline around wvdial and there's this launchpad bug. and am really insest to use Ubuntu Software Center so please no other software manger apps recomendation... I've also this Genius ColorPage HR6X Slim scanner that's Ubuntu can't detect it, so if you interset you can check and answer the qustion from here...

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• installing OpenSwan xl2tpd for IPSEC/L2TP VPN

  - by Shanghai_Phil

  I have a VPS hosted with QuickWeb.co.nz Running Ubuntu 12.04 OpenVZ. I downloaded and unpacked OpenSwan, but I still cannot install: root@vps:~/openswan-2.6.35# apt-get install openswan xl2tpd ppp Reading package lists... Done Building dependency tree... Done Package ppp is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Unable to locate package openswan E: Unable to locate package xl2tpd E: Package 'ppp' has no installation candidate I admit to being a novice, I am learning as I go. Thanks for your patience and help!! :)

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• Why is design by contract considered an alternative to the pseudo programming process?

  - by zoopp

  Right now I'm reading Code Complete by Steve McConnell and in chapter 9 he talks about the Pseudo Programming Process (PPP). From what I've understood, the PPP is a way of programming in which the programmer first writes the pseudo code for the routine he's working on, then refines it up to the point where pretty much each pseudo code line can be implemented in 1-3 lines of code, then writes the code in the designated programming language and finally the pseudo code is saved as comments for the purpose of documenting the routine. In chapter 9.4 the author mentions alternatives to the PPP, one of which is 'design by contract'. In design by contract you basically assert preconditions and postconditions of each routine. Now why would that be considered an alternative? To me it seems obvious that I should use both techniques at the same time and not chose one over the other.

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• Poor upload/download speed on 2 x ADSL lines into a Cisco 2621XM

  - by 2020mobile

  Hi, Sorry never been on this site before so I apologise if not the right section or even forum. I have users complaining of very slow internetn connectivity on site and have checked with our ISP who have said that the line is testing at 8mb. We have 2 x BT lines that have our ISP broadand on them. Both lines go into a Cisco 2600 series router that then has a PIX firewall off that. Connectivity is successful just gone really slow and unable to download anything. Config is below: version 12.3 no service pad service tcp-keepalives-in service tcp-keepalives-out service timestamps debug datetime msec service timestamps log datetime msec service password-encryption ! hostname ROUTER-ADSL-INTERNET ! logging buffered 16384 informational enable secret xxx enable password xxx ! username xxx username xxx clock summer-time UK recurring last Sun Mar 1:00 last Sun Oct 1:00 aaa new-model ! ! aaa authentication login default local aaa authorization exec default local aaa session-id common ip subnet-zero no ip source-route ! ! ! ip audit notify log ip audit po max-events 100 no ip bootp server ip name-server 213.208.106.212 no mpls ldp logging neighbor-changes no ftp-server write-enable ! ! ! ! ! ! ! ! ! ! no voice hpi capture buffer no voice hpi capture destination ! ! ! ! ! ! ! ! interface ATM0/0 description 01270 111111 no ip address no atm ilmi-keepalive pvc 0/38 encapsulation aal5mux ppp dialer dialer pool-member 1 ! dsl operating-mode auto ! interface FastEthernet0/0 ip address 82.133.32.9 255.255.255.248 shutdown speed 100 full-duplex no cdp enable ! interface ATM0/1 description 01270 222222 no ip address no atm ilmi-keepalive pvc 0/38 encapsulation aal5mux ppp dialer dialer pool-member 1 ! dsl operating-mode auto ! interface FastEthernet0/1 ip address 217.146.115.49 255.255.255.240 duplex auto speed auto no cdp enable ! interface Dialer0 ip address 217.146.115.250 255.255.255.248 encapsulation ppp dialer pool 1 dialer-group 1 ppp authentication chap callin ppp chap hostname [email protected] ppp chap password 7 xxxxx ppp multilink ! ip classless ip route 0.0.0.0 0.0.0.0 Dialer0 ! no ip http server no ip http secure-server ! no logging trap access-list 10 permit 217.146.115.50 access-list 10 permit 82.133.32.10 access-list 10 deny any access-list 22 permit 217.146.115.50 access-list 22 permit 217.206.239.86 access-list 22 permit 82.133.32.10 access-list 22 deny any dialer-list 1 protocol ip permit no cdp run ! ! snmp-server community xxxxxx RO 10 snmp-server enable traps tty radius-server authorization permit missing Service-Type ! ! ! ! ! ! line con 0 exec-timeout 5 0 password 7 xxxxxx line aux 0 no exec line vty 0 4 access-class 22 in exec-timeout 5 0 password 7 xxxxxx transport input telnet ssh transport output none line vty 5 15 password 7 xxxxxx transport input telnet ssh ! ntp clock-period 17180095 ntp server 130.88.200.98 ! ! end Now my knowledge is very limited but ISP have said that while the lines are bonded each needs a seperate login as they've recently changed their L2TP router and that enforces the use of seperate logins - when the lines were configured we were given two logins. So, my question is what changes do I need to make to the config in order to get this working? it was ok before their change and I do have another login :- 01270 111111 - [email protected] 01270 222222 - [email protected] Apologies for the long email and thanks for taking the time to read it. Any more info I can provide please let me know. Thanks,

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