Re: [dtn-users] LTP Convergence Layer - Help needed!
"Zoller, David A. (MSFC-EO50)[HOSC SERVICES CONTRACT]" <david.a.zoller@nasa.gov> Thu, 03 December 2015 18:04 UTC
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From: "Zoller, David A. (MSFC-EO50)[HOSC SERVICES CONTRACT]" <david.a.zoller@nasa.gov>
To: "nikansell00@gmail.com" <nikansell00@gmail.com>, "dtn-users@irtf.org" <dtn-users@irtf.org>
Thread-Topic: [dtn-users] LTP Convergence Layer - Help needed!
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Date: Thu, 03 Dec 2015 18:04:49 +0000
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Subject: Re: [dtn-users] LTP Convergence Layer - Help needed!
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Hi Nik, interface add ltp0 ltp local_addr=$shorthostname is probably listening on port 1113 by default and your LTP links are transmitting to port 4556. I recommend changing the LTP links to use the IANA assigned port 1113. (The UDP interface is listening on 4556 by default). Hope that gets you going, DZ From: dtn-users [mailto:dtn-users-bounces@irtf.org] On Behalf Of Nik Ansell Sent: Thursday, December 03, 2015 11:23 AM To: dtn-users@irtf.org Subject: [dtn-users] LTP Convergence Layer - Help needed! Hi, I have successfully setup a 3 node UDPCL and TCPCL topology and am able to send bundles OK. Next I installed LTPLib and rebuilt DTN2, ensuring that ./configure found the location of LTPlib OK. I have updates the config files to use ltp, but for some reason no bundles seem to be sent or queued! If anyone could shed any light on a possible problem I will be forever in their debt, as bundles just seem to disappear! My testing so far has been starting dtnd on all 3 nodes, then running the dtnsend command twice to send 2 test bundles from node 1 to node 3. "dtnsend -s dtn://tx.dtn/a -d dtn://rx.dtn/g -t m -p "hello"" I run dtnrecv on node 3: "dtnrecv dtn://rx.dtn/g -q -o F#####.bin" "bundle list" on nodes 1,2&3" returns zero bundles, so none are in the queue. "bundle stats" on node 1 returns: Bundle Statistics: 0 pending -- 0 custody -- -- bpq -- bpq -- 2 received -- 0 delivered -- 0 generated -- 2 transmitted -- 0 expired -- 0 duplicate -- 2 deleted -- 0 injected "link dump link_ltp1" on node 1 returns: Current link: Link link_ltp1: clayer: ltp type: ALWAYSON state: OPEN deleted: false nexthop: mx:4556 remote eid: dtn:none mtu: 1400 min_retry_interval: 5 max_retry_interval: 600 idle_close_time: 0 potential_downtime: 30 prevhop_hdr: false reincarnated: true used in fwdlog: true local_addr: 255.255.255.255 local_port: 4556 remote_addr: 10.0.0.2 remote_port: 4556 mtu: 1400 Red/Green balance: all red ION mode: false Config files: Node1 interface add udp0 udp interface add ltp0 ltp local_addr=$shorthostname # Create link to MX link add link_ltp1 mx:4556 ALWAYSON ltp mtu=1400 local_port=4556 remote_port=4556 remote_addr=10.0.0.2 # Add route to RX via MX route add dtn://rx.dtn/* link_ltp1 Node2: interface add udp0 udp interface add ltp0 ltp local_addr=$shorthostname # Create link to TX link add link_ltp2 tx:4556 ALWAYSON ltp local_port=4556 remote_port=4556 mtu=1400 remote_addr=10.0.0.1 # Create link to RX link add link_ltp3 rx:4556 ALWAYSON ltp local_port=4556 remote_port=4556 mtu=140 remote_addr=10.0.0.3 # Add route to TX route add dtn://tx.dtn/* link_ltp2 # Add route to RX route add dtn://rx.dtn/* link_ltp3 Node3: interface add udp0 udp interface add ltp0 ltp local_addr=$shorthostname # Create link to MK link add link_ltp1 mx:4556 ALWAYSON ltp local_port=4556 remote_port=4556 remote_addr=10.0.0.2 # Add route to TX via MX route add dtn://tx.dtn/* link_ltp1 Kind Regards, Nik
- [dtn-users] LTP Convergence Layer - Help needed! Nik Ansell
- Re: [dtn-users] LTP Convergence Layer - Help need… Zoller, David A. (MSFC-EO50)[HOSC SERVICES CONTRACT]
- Re: [dtn-users] LTP Convergence Layer - Help need… Nik Ansell
- Re: [dtn-users] LTP Convergence Layer - Help need… Nik Ansell
- Re: [dtn-users] LTP Convergence Layer - Help need… Zoller, David A. (MSFC-EO50)[HOSC SERVICES CONTRACT]
- Re: [dtn-users] LTP Convergence Layer - Help need… Nik Ansell