March 2014 - Ibr-dtn - lists.ibr.cs.tu-bs.de

IBR-DTN release 0.12.0
by Johannes Morgenroth 04 Apr '14

04 Apr '14

Release 0.12.0 is available! This a major release with many new features, performance improvements, bug fixes and new support for Windows. The source is available via the project Trac. The packages for Debian, Raspbian and OpenWrt are currently in our build queue and should be available very soon. For a changes watch the official changelog: http://www.ibr.cs.tu-bs.de/trac/ibr-dtn/wiki/changelog Kind regards, Johannes Morgenroth

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ibrdtn for broadcom architecture
by Francisco Cuesta 02 Apr '14

02 Apr '14

Hello IBR staff, I was wondering whether you have available a version of ibr dtn openwrt packages for broadcom 2708 chipset, it is based on arm architecture, quite similar to raspberri pi. I have seen here http://trac.ibr.cs.tu-bs.de/project-cm-2012-ibrdtn/wiki/download#OpenWRTrep… that you mention the possibility to find different architectures in your jetkins builder, however, I could find any reference to broadcom architecture there. Therefore, I tried to crosscompilie ibr dtn from source aiming to that architecture and with openwrt as OS. I got the daemon, libraries and binaries, but now I get the following error when trying to start the daemon itself. root@OpenWrt:~# dtnd dtnd: error while loading shared libraries: libm.so.0: cannot open shared object file: No such file or directory Did I miss to include some library when crosscompiling? Or I am missing it on my openwrt OS? In such a case, what libraries should I install? Thanks in advance, Regards! Below all the packages I installed listed with opgk list root@OpenWrt:/lib# opkg list base-files - 118.2-r39952 blkid - 2.21.2-1 block-mount - 0.2.0-9 busybox - 1.19.4-6 dnsmasq - 2.66-2 dropbear - 2011.54-2 e2fsprogs - 1.42.4-1 gdb - 6.8a-4 hotplug2 - 1.0-beta-4 hwclock - 2.21.2-1 iw - 3.6-1 jshn - 2013-10-19-734d28eb1a46358743cf8837c91e5d46695c3b91 kernel - 3.3.8-1-85fa4859c0083294a4ca10e855c97bf6 kmod-ath - 3.3.8+2014-01-23.1-1 kmod-ath9k-common - 3.3.8+2014-01-23.1-1 kmod-ath9k-htc - 3.3.8+2014-01-23.1-1 kmod-cfg80211 - 3.3.8+2014-01-23.1-1 kmod-crypto-aes - 3.3.8-1 kmod-crypto-arc4 - 3.3.8-1 kmod-crypto-core - 3.3.8-1 kmod-fs-vfat - 3.3.8-1 kmod-hid - 3.3.8-1 kmod-input-core - 3.3.8-1 kmod-input-evdev - 3.3.8-1 kmod-ipt-conntrack - 3.3.8-1 kmod-ipt-core - 3.3.8-1 kmod-ipt-nat - 3.3.8-1 kmod-ipt-nathelper - 3.3.8-1 kmod-lib-crc-ccitt - 3.3.8-1 kmod-mac80211 - 3.3.8+2014-01-23.1-1 kmod-nls-base - 3.3.8-1 kmod-nls-cp437 - 3.3.8-1 kmod-nls-iso8859-1 - 3.3.8-1 kmod-sound-arm-bcm2835 - 3.3.8-1 kmod-sound-core - 3.3.8-1 kmod-usb-core - 3.3.8-1 kmod-usb-hid - 3.3.8-1 libblkid - 2.21.2-1 libblobmsg-json - 2013-10-19-734d28eb1a46358743cf8837c91e5d46695c3b91 libbsd - 0.3.0-1 libc - 2.15-1 libcom_err - 1.42.4-1 libcurl - 7.29.0-1 libdaemon - 0.14-2 libext2fs - 1.42.4-1 libgcc - 4.6-linaro-1 libip4tc - 1.4.10-5 libjson - 0.11-2 libjson-c - 0.11-2 liblua - 5.1.4-8 libmount - 2.21.2-1 libncurses - 5.7-5 libncursesw - 5.7-5 libnl - 2.0-1 libnl-tiny - 0.1-3 libopenssl - 1.0.1e-1 libpthread - 2.15-1 libpthread - 0.9.33.2-1 libreadline - 5.2-2 librpc - 0.9.32-rc2-0a2179bbc0844928f2a0ec01dba93d9b5d6d41a7 librt - 2.15-1 librt - 0.9.33.2-1 libsqlite3 - 3071201-1 libstdcpp - 4.6-linaro-1 libubox - 2013-10-19-734d28eb1a46358743cf8837c91e5d46695c3b91 libubus - 2013-08-08-b20a8a01c7faea5bcc9d34d10dcf7736589021b8 libubus-lua - 2013-08-08-b20a8a01c7faea5bcc9d34d10dcf7736589021b8 libuci - 2013-06-11.1-1 libuci-lua - 2013-06-11.1-1 libuuid - 2.21.2-1 libxtables - 1.4.10-5 lua - 5.1.4-8 luac - 5.1.4-8 mount-utils - 2.21.2-1 netifd - 2013-07-16-2674941b06c1ec67f1aff1bff9212e1372106641 opkg - 9c97d5ecd795709c8584e972bfdf3aee3a5b846d-3 swap-utils - 2.21.2-1 terminfo - 5.7-5 ubus - 2013-08-08-b20a8a01c7faea5bcc9d34d10dcf7736589021b8 ubusd - 2013-08-08-b20a8a01c7faea5bcc9d34d10dcf7736589021b8 uci - 2013-06-11.1-1 zlib - 1.2.7-1

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Default conf even using -c (Open Wrt)
by Juliano 25 Mar '14

25 Mar '14

Hi, I installed IBR-DTN in OpenWrt last week. 1 - When I run "dtnd", the following messages are shown: Wed Mar 26 02:07:51 2014 INFO Configuration: Using default settings. Call with --help for options. Wed Mar 26 02:07:51 2014 INFO NativeDaemon: IBR-DTN daemon 0.10.2 (build 1d89427) Wed Mar 26 02:07:51 2014 INFO Configuration: Using default settings. Call with --help for options. Wed Mar 26 02:07:51 2014 INFO BundleCore: Local node name: dtn://OpenWrt Wed Mar 26 02:07:51 2014 INFO BundleCore: Forwarding of bundles enabled. Wed Mar 26 02:07:51 2014 INFO NativeDaemon: using bundle storage in memory-only mode Wed Mar 26 02:07:51 2014 INFO NativeDaemon: API initialized using tcp socket: loopback:4550 Wed Mar 26 02:07:51 2014 INFO DiscoveryAgent: listen to [ff02::142]:4551 Wed Mar 26 02:07:51 2014 INFO DiscoveryAgent: listen to [224.0.0.142]:4551 Wed Mar 26 02:07:51 2014 INFO NativeDaemon: Using default routing extensions 2 - When I run "dtnd -i wlan0", the following messages are shown: Wed Mar 26 02:08:24 2014 INFO Configuration: Using default settings. Call with --help for options. Wed Mar 26 02:08:24 2014 INFO NativeDaemon: IBR-DTN daemon 0.10.2 (build 1d89427) Wed Mar 26 02:08:24 2014 INFO Configuration: Using default settings. Call with --help for options. *Wed Mar 26 02:08:24 2014 INFO BundleCore: Local node name: dtn://OpenWrt* Wed Mar 26 02:08:24 2014 INFO BundleCore: Forwarding of bundles enabled. Wed Mar 26 02:08:24 2014 INFO NativeDaemon: using bundle storage in memory-only mode Wed Mar 26 02:08:24 2014 INFO NativeDaemon: API initialized using tcp socket: loopback:4550 Wed Mar 26 02:08:24 2014 INFO NativeDaemon: TCP ConvergenceLayer added on wlan0:4556 Wed Mar 26 02:08:24 2014 INFO DiscoveryAgent: listen to [ff02::142]:4551 Wed Mar 26 02:08:24 2014 INFO DiscoveryAgent: listen to [224.0.0.142]:4551 Wed Mar 26 02:08:24 2014 INFO DiscoveryAgent: add interface wlan0 *Wed Mar 26 02:08:24 2014 ERROR IPNDAgent: join failed on wlan0; 99: setsockopt()* Wed Mar 26 02:08:24 2014 INFO NativeDaemon: Using default routing extensions 3 - When I run "dtnd -i wlan0 -c /mnt/usb/opkg/etc/config/ibrdtn", the following messages are shown: Wed Mar 26 02:09:07 2014 INFO Configuration: Configuration: /mnt/usb/opkg/etc/config/ibrdtn Wed Mar 26 02:09:07 2014 INFO NativeDaemon: IBR-DTN daemon 0.10.2 (build 1d89427) Wed Mar 26 02:09:07 2014 INFO Configuration: Configuration: /mnt/usb/opkg/etc/config/ibrdtn *Wed Mar 26 02:09:07 2014 INFO BundleCore: Local node name: dtn://OpenWrt* Wed Mar 26 02:09:07 2014 INFO BundleCore: Forwarding of bundles enabled. Wed Mar 26 02:09:07 2014 INFO NativeDaemon: using bundle storage in memory-only mode Wed Mar 26 02:09:07 2014 INFO NativeDaemon: API initialized using tcp socket: loopback:4550 Wed Mar 26 02:09:07 2014 INFO NativeDaemon: TCP ConvergenceLayer added on wlan0:4556 Wed Mar 26 02:09:07 2014 INFO DiscoveryAgent: listen to [ff02::142]:4551 Wed Mar 26 02:09:07 2014 INFO DiscoveryAgent: listen to [224.0.0.142]:4551 Wed Mar 26 02:09:07 2014 INFO DiscoveryAgent: add interface wlan0 *Wed Mar 26 02:09:07 2014 ERROR IPNDAgent: join failed on wlan0; 99: setsockopt()* Wed Mar 26 02:09:07 2014 INFO NativeDaemon: Using default routing extensions I have a few questions about these messages. A) I do not have idea what is the meaning of *ERROR IPNDAgent: join failed on wlan0; 99: setsockopt()*, someone faced the same problem? Any tip will be very appreciated. B) Note that I edited a configuration file and changed the URI, but even passing my configuration file with the -c, the local node name is always dtn://OpenWrt #here is the option edited in my config file option uri dtn://NewID Well, continuing: I started the daemon at the router with "dtnd -i wlan0" and received the same message as in (2) or (3). I also installed the IBR-DTN on my laptop and started it with: "dtnd -i wlan0 -v -c /etc/ibrdtn/ibrdtnd.conf" Even with the error message shown (*ERROR* *IPNDAgent*) I am able to send files using the dtnsend and dtndrecv application in both directions (from the laptop to the router and from the router to the laptop), however, the dtnping application did not worked. In a nutshell I'm having 3 problems: 1 - the IPNDAgent error (openwrt router). 2 - the configuration file error (openwrt router) 3 - the ping application Thank you in advance. Juliano Fischer Naves Informatics Professor - IFRO D.Sc. Student - IC/UFF/Brazil Please do not send me Microsoft Office/Apple iWork documents. Send OpenDocument instead! http://fsf.org/campaigns/opendocument/ Document Freedom Day - Liberate your documents http://documentfreedom.org/ - March 26th 2014

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Re: [ibr-dtn] ibr-dtn
by Stephan Rottmann 25 Mar '14

25 Mar '14

On Di, 2014-03-25 at 16:54 +0000, Ghada Jaber wrote: > i use ubuntu 12.04 . > How can i stop it ? > i used ibrdtn stop but the system can not recognize it ! Did you try `ibrdtn stop` or `service ibrdtn stop` (maybe it should be ibrdtnd, not ibrdtn; not sure at the moment). Did you install the .deb-files? Then it should work with service. You also can kill the process using `killall -KILL dtnd`. And again, please reply to the list ;) Stephan

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Re: [ibr-dtn] ibr-dtn
by Stephan Rottmann 25 Mar '14

25 Mar '14

On Di, 2014-03-25 at 16:45 +0000, Ghada Jaber wrote: > When i execute the command i have this : > dtnd 1133 0.1 0.0 1076812 3436 ? Sl 09:09 > 0:33 /usr/sbin/dtnd -D -p /var/run/ibrdtn/dtnd.pid > -c /etc/ibrdtn/ibrdtnd.conf > what means please ? That another daemon is running, with pid 1133. Without any more information, nobody can help you with this issue. Which OS are you using?, ... If you reply to the list, more people will read this and will be able to help ;) Best regards, Stephan

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Re: [ibr-dtn] ibr-dtn
by Stephan Rottmann 25 Mar '14

25 Mar '14

On Di, 2014-03-25 at 16:14 +0000, Ghada Jaber wrote: > I've seen that and i did what they said but it doesn't work :( Then, please see the other question from the FAQ and provide more information on your setup, like operating system, run for example `ps aux | grep dtn | grep -v grep` to make sure there is _REALLY_ no other instance running. Stephan > > Ghada Jaber > Etudiante en 5eme année Réseau informatique et Telecommunication a > l'INSAT > Stagiaire a l'IRIT/ENSEEIHT > Tel : 003385681703 > email : jaberghada(a)yahoo.fr > Skype : ghada.jaber90 > > > Le Mardi 25 mars 2014 16h59, Stephan Rottmann > <rottmann(a)ibr.cs.tu-bs.de> a écrit : > > Hi, > > please see the FAQ: > http://trac.ibr.cs.tu-bs.de/project-cm-2012-ibrdtn/wiki/FAQ > > > Regards, > Stephan > > > -- > !! This message is brought to you via the `ibr-dtn' mailing list. > !! Please do not reply to this message to unsubscribe. To unsubscribe > or adjust > !! your settings, send a mail message to > <ibr-dtn-request(a)ibr.cs.tu-bs.de> > !! or look at https://mail.ibr.cs.tu-bs.de/listinfo/ibr-dtn. > > > > -- Stephan Rottmann Institut für Betriebssysteme und Rechnerverbund Tel.: +49-531-391-3154 Mühlenpfordtstraße 23 Fax.: +49-531-391-5936 TU Braunschweig D-38106 Braunschweig

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ibr-dtn
by Ghada Jaber 25 Mar '14

25 Mar '14

Hello I've installed the ibr-dtn on ubuntu and i have this fault that i couldn't fix : ERROR ApiServer: cannot bind socket with address [127.0.0.1]:4550 Can you help me please ? Thank you Ghada Jaber Etudiante en 5eme année Réseau informatique et Telecommunication a l'INSAT Stagiaire a l'IRIT/ENSEEIHT Tel : 003385681703 email : jaberghada(a)yahoo.fr Skype : ghada.jaber90

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Raspberry Pi
by André Sá 25 Mar '14

25 Mar '14

Hi, I am trying to use IBR-DTN between two Raspberry Pi through the wireless interface (usb dongle RTL8188CU), where one of them is configured as access point and the other one must connect to it. I followed this tutorial to configure the RPi as access point: http://www.daveconroy.com/turn-your-raspberry-pi-into-a-wifi-hotspot-with-e… ; and I am able to ping the internet through both RPis. Does Ibr-dtn work in this conditions, in which one of the nodes is configured as an access point and the other one has to connect to it? Or, the wireless interfaces have to be in ad-hoc mode? In the pictures below are the print screens from the interfaces and ibr-dtn outputs. I am not able to successful ping between them through dtnping. Raspberry Pi interfaces: (Raspberry access point) Ibr-dtn output when using the br0 interface: (Raspberry access point) Ibr-dtn output when using the wlan0 interface: (Raspberry access point) Raspberry Pi interfaces: (Raspberry client) Ibr-dtn output when using the wlan0 interface: (Raspberry client) Kind regards André Sá

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Recompile and install IBR-DTN from source in OpenWRT
by Theodoros Bourchas 17 Mar '14

17 Mar '14

Hi, I would like to install IBR-DTN from source in OpenWRT. I have tried to download it directly using the commands found here https://trac.ibr.cs.tu-bs.de/project-cm-2012-ibrdtn/wiki/source, under GIT repository. An error occurred while cloning: fatal: Unable to find remote helper for 'https' git openwrt Can I recompile it directly in Openwrt ? Or, if I follow these commands and install it in Ubuntu 12.04, how I plug it in OpenWRT after that? Thanks, Theodoros

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Fwd: Re: Epidemic routing - bundle size issue
by Sandra Siby 17 Mar '14

17 Mar '14

---------- Forwarded message ---------- From: "Sandra Siby" <sandrasiby(a)gmail.com> Date: Mar 17, 2014 2:58 PM Subject: Re: [ibr-dtn] Epidemic routing - bundle size issue To: "Johannes Morgenroth" <morgenroth(a)ibr.cs.tu-bs.de> Cc: Hi Johannes, I have run it several times and am able to replicate the issue. The contact times are not long enough for all bundles to be transmitted but this is what we want. We are ok with bundles being of different sizes as long as the entire amount of data is received at the end (meaning reactive fragmentation works). There were no errors or warnings in the logs. However, we are using version 0.10.2 (we're running all this in openwrt by the way). Can you tell me which version to use and where I can find it? Thank you! Regards, Sandra On Mar 17, 2014 2:45 PM, "Johannes Morgenroth" <morgenroth(a)ibr.cs.tu-bs.de> wrote: > Hello Sandra, > > in this case is have no concrete idea. There might be a possible hash > collision in the summary vector bloom-filter, but this is very unlikely. > What about the contact times? Were they long enough to transmit all the > bundles? The bundles with the wrong size may be a result of interrupted > connections. > > Did you checked the daemon log output for errors or warnings? You could > check the exact behavior using the log files. Did you run the test a > second time with the same result? And finally, which version of the > daemon do you use? There are known bugs in the 0.10.2 related to > fragmentation (fixed in development branch). > > Kind regards, > Johannes > > Am 17.03.2014 14:33, schrieb Sandra Siby: > > Note that there is no 'additional fragment'. There is an equal number of > > fragments on both sides but their size distribution is different. And if > > you add up the sizes of fragments obtained on the receiver side, it is > > less than the total at the sender side. In other words, I think the > > entire file is not sent. I am unable to extract the file to the > > application layer. > > > > Any idea why this is the case? > > > > > -- > Johannes Morgenroth Institut fuer Betriebssysteme und Rechnerverbund > Tel.: +49-531-391-3249 Muehlenpfordtstrasse 23 > Fax.: +49-531-391-5936 TU Braunschweig D-38106 Braunschweig > -- > !! This message is brought to you via the `ibr-dtn' mailing list. > !! Please do not reply to this message to unsubscribe. To unsubscribe or > adjust > !! your settings, send a mail message to <ibr-dtn-request(a)ibr.cs.tu-bs.de> > !! or look at https://mail.ibr.cs.tu-bs.de/listinfo/ibr-dtn. >

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Epidemic routing - bundle size issue
by Sandra Siby 17 Mar '14

17 Mar '14

Hi, We have the following test scenario: 2 fixed nodes (a sender and a receiver) A and D and 2 mobile nodes, B and C, moving between them. B and C start from A and D respectively and move towards each other. They are in contact for a short duration in between A and D. When they are in contact, they do not have any contact with the fixed nodes. We send data from A and use the mobile nodes to carry the bundles to D. The configuration we were using is epidemic routing and we send a file of 12MB, fragmented proactively in 1MB payload size. At the sender, we get 12 bundles of 976.7K and 1 bundle of 569.3K. We assumed that the same number of bundles with identical sizes will be at the receiver. However, after all the bundles have been delivered at the receiver, we see that there are 11 bundles of 976.7K, 1 bundle of 12.1K and one bundle of 540.1K. Is it normal for there to be a discrepancy in the bundle sizes on both sides? If so, why is there a difference? Note that we do not run the dtninbox application on the receiver side to extract the file to the application layer. It would be great if you could also give us a short description of how epidemic routing is implemented in your code. Regards, Sandra

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Bundle Order
by Theodoros Bourchas 12 Mar '14

12 Mar '14

Hi, My experimental scenario is the following one: I have a sender and a receiver node that are not in contact with each other and a mobile node (intermediate) that takes bundles from the sender in a contact interval of some minutes and delivers them to the receiver in another contact interval. I use proactive fragmentation. I have a big file of 200MB and I fragmented to bundles of 100KB. So, on the sender side (temporary bundle directory) I have 2098 bundles (of 97.7KB approximately). I want to know in what order bundles are created and sent in the temporary folder on the sender/intermediate/receiver side. For example, if one bundle is not received completely, does it remain in the temporary folder of the intermediate node? And if this is the case, it remains on top of the transmission queue (so it would be the first bundle sent in the next contact) New bundles that are received and stored in the temporary directory of the intermediate node would be first in the queue? Thanks, Theodoros

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Recording info about transmissions between nodes
by Luís Carlos Guedes 12 Mar '14

12 Mar '14

Hello, Our goal is to use IBR-DTN in a small testbed (50nodes), where we will do measurements and calculate statistics about the moments when the bundles are sent, received, and transfered from node to node (including information such as the source node, destination node, amount of data transfered), for example, this situation from NodeA to NodeB, passing throw NodeC: Emitter: "BundleX SENT from NodeA to NodeB" Receiver: "BundleX_Received from NodeA - completed (10MB)" (or, in case of 3 nodes): in nodeC: "transferofbundle (10MB) from NodeA to NodeB - completed" We want to store this information in a file as small as possible, so we need to find the logging instructions for these events in the code, so as to also log to our own file each time one of these events happens (and thus avoid recording and storing all the other log messages). We have studied the code, but it is hard to find these things clearly, as the logging seems to use several different routines and sub-routines. If you could point us to the most important code files that we should look into and change so as to log these informations into our own log file, that would be very helpful. Thank you, Luís Guedes

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Multicast discovery_address
by Maël Auzias 10 Mar '14

10 Mar '14

Hi, When the discovery_address is set to either 192.168.0.255 (nodes are on the network 192.168.0.0/24), or 255.255.255.255 an error message appear: IPNDAgent : join failed on wlan0; 22 : setsockopt() Can't the discovery_address be set to something else than 224.0.0.x ? Thanks for further replies! Have a nice day.

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Multi EID per node
by Maël Auzias 10 Mar '14

10 Mar '14

Hi (again), I wish my nodes to have more than one local EID. How can it be set ? In the conf file if there are 2+ local_uri just the last one is used. I use then a group where there is only one node. Something like dtnrecv --group dtn://singleton/node01/sensor, but is there any other way to make it *cleaner* ? Note: I have the same issue with DTN2. Thanks for further replies! Have a nice day.

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Discovery version 0 issue
by Maël Auzias 10 Mar '14

10 Mar '14

Hi (again again), When the IBR-DTN nodes are set to use the discovery_version =0, which is DTN2 compatible, the IBR-DTN nodes do not discovery each others. When a bundle from an IBR-DTN is sent to another IBR-DTN node the bundle goes through a DTN2 node (flooding routing) to reach the destination even though they are in the Wi-Fi range. Is that a known issue ? Did someone got the same ? How to manage it ? Thanks for further replies! Have a nice day.

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log files information
by Luís Carlos Guedes 10 Mar '14

10 Mar '14

Hello, I would like to know where (in which files) you make the logs files because i wanted to collect some extra information each time a bundle is sent/ transfered/ delivered. Thank you in advance,Luís Guedes

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Nodes discover each other, but do not communicate ?
by Maël Auzias 07 Mar '14

07 Mar '14

Hi you all, *== this is not a question, but an answer ==* I went through an issue, in order to help others who might had the same problem I'm writing down the problem description and the solution. Actually I found the solution while writing the "question" e-mail. *TL;DR:* Ibr-dtn nodes discover each other but do not ping, neither send to another ? Make you sure you stopped the service:* #service ibrdtnd stop* When you dtnsend, if the service is running, in the same time that your dtnd -i <nic>, the dtnsend use the service and then, maybe, the wrong interface and the wrong configuration file -as far as I understand-. Make sure you're using your own conf file with dtnd command (and the option -c <path to conf file>) and the right interface by shutting down the service. Environment: - #dtnd -i wlan0 -v - PC can ssh each other - ibr-dtn had been installed from package I do not know if it worth adding this in the FAQ<http://trac.ibr.cs.tu-bs.de/project-cm-2012-ibrdtn/wiki/FAQ>, that's up to you to choose. Have a nice day!

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IBR-DTN performance with big files and small bundle-fragments
by Theodoros Bourchas 06 Mar '14

06 Mar '14

Hi, I want to transfer 500MB, using proactive fragmentation of 100K bundle_size. I have changed the parameters in the configuration file of the sender as below: option limit_payload 100K option fragmentation yes option limit_lifetime 60000 option bundles_in_transit 1000 So, with above options, I would expect around 5000 bundles of 100K stored in the temporary folder of my device. Observing the logs, I could see in the daemon of the sender 4207 'TransferCompletedEvent' and 4212 'BundleReceivedEvent' in the daemon of the receiver. After some time that the experiment was running smoothly, 'TransferAbortedEvent' were triggered at the sender and 'BundleExpiredEvent's were triggered in the receiver. As a result, the already stored bundles in the receiver side started to being deleted. Any guess of why there is such a behavior? The option 'limit_lifetime' is expressed in secs, correct? Can you explain what is defined with option bundles_in_transit? Thanks, Theodoros

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Set up static routes in OpenWRT
by Theodoros Bourchas 03 Mar '14

03 Mar '14

Hi, I want to set static connections from dtn://host2 to dtn://host4 and dtn://host5 in parallel and send file to dtn://host6 which is unreachable by all. What should I configure at the configuration file in OpenWRT? I have made the following but packets did not arrive to 4 and 5 respectively. config 'daemon' 'main' # values: none | default | epidemic | flooding | prophet option routing default # static routing rules # - a rule is a regex pattern # - format is <target-scheme> <routing-node> # config 'static-route' # list pattern .... # option destination .... config 'static-connection' option uri dtn://host4 option address 10.0.1.4 option port 4556 option protocol tcp option immediately yes config 'static-connection' option uri dtn://host5 option address 10.0.1.5 option port 4556 option protocol tcp option immediately yes I missed sth for sure, but what? Best, Theodoros

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