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    Multicasting Issues

    Scheduled Pinned Locked Moved Solved
    FOG Problems
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    • george1421G
      george1421 Moderator @kenneth.sisco
      last edited by

      @kenneth.sisco Make sure that your network switches have igmp forwarding or snooping enabled. If you have vlans in your network the igmp settings are typically set on a per vlan basis. The igmp settings allows the switch ports to subscribe to the multicast channel. The multicast stream will only be sent to ports and switches that subscribe to the multicast request. This keeps multicast traffic off switches where there are no subscribers.

      Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

      1 Reply Last reply Reply Quote 1
      • K
        kenneth.sisco
        last edited by

        So I worked with our network team and we were able to setup a small DHCP pool on the server VLAN temporarily for a test, and it worked fine. Once we tried again cross-VLAN, we had the same issues. I’ve copied the multicast.log section of the successful multicast below. The unsuccessful one is the same as my prior post in this thread. What I find interesting is that the multicast.log file shows that there is a new connection from the client cross-VLAN and even echoes its IP Address, but never transfers any data.

        Successful multicast (same VLAN; shortened to allow for forum posting):

        [01-11-16 4:54:24 pm]  * No tasks found!
        [01-11-16 4:54:34 pm]  | Sleeping for 10 seconds to ensure tasks are properly submitted
        [01-11-16 4:54:44 pm]  | 0 tasks to be cleaned
        [01-11-16 4:54:44 pm]  | 1 task found
        [01-11-16 4:54:44 pm]  | Task (14) Multi-Cast Task is new!
        [01-11-16 4:54:44 pm]  | Task (14) Multi-Cast Task has been cleaned.
        [01-11-16 4:54:44 pm]  | Task (14) /images/Test162016 image file found.
        [01-11-16 4:54:44 pm]  | Task (14) 1 client(s) found.
        [01-11-16 4:54:44 pm]  | Task (14) Multi-Cast Task sending on base port: 50702
        Udp-sender 20120424
        UDP sender for (stdin) at 10.133.132.127 on eth0 
        Broadcasting control to 224.0.0.1
        [01-11-16 4:54:44 pm]  | CMD: cat /images/Test162016/d1p1.img | /usr/local/sbin/udp-sender --interface eth0 --min-receivers 1 --max-wait 600 --mcast-data-address 239.132.20.10 --portbase 50702 --full-duplex --ttl 32 --nokbd --nopointopoint;cat /images/Test162016/d1p2.img | /usr/local/sbin/udp-sender --interface eth0 --min-receivers 1 --max-wait 600 --mcast-data-address 239.132.20.10 --portbase 50702 --full-duplex --ttl 32 --nokbd --nopointopoint;
        [01-11-16 4:54:44 pm]  | Task (14) Multi-Cast Task has started.
        [01-11-16 4:54:54 pm]  | 0 tasks to be cleaned
        [01-11-16 4:54:54 pm]  | 1 task found
        [01-11-16 4:54:54 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        New connection from 10.133.132.242  (#0) 00000009
        Starting transfer: 00000009
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        [01-11-16 4:55:04 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:04 pm]  | 1 task found
        [01-11-16 4:55:04 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        [01-11-16 4:55:14 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:14 pm]  | 1 task found
        [01-11-16 4:55:14 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        [01-11-16 4:55:24 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:24 pm]  | 1 task found
        [01-11-16 4:55:24 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        [01-11-16 4:55:34 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:34 pm]  | 1 task found
        [01-11-16 4:55:34 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        [01-11-16 4:55:44 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:44 pm]  | 1 task found
        [01-11-16 4:55:44 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=10000
        bytes=     131 040  re-xmits=0000090 (100.0%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=2143
        bytes=  4 925 648  re-xmits=0000285 (  8.4%) slice=0112 -   0
        bytes=  8 441 244  re-xmits=0000408 (  7.0%) slice=0112 -   0
        
        Transfer complete.
        Disconnecting #0 (10.133.132.242)
        
        Udp-sender 20120424
        UDP sender for (stdin) at 10.133.132.127 on eth0 
        Broadcasting control to 224.0.0.1
        [01-11-16 4:55:54 pm]  | 0 tasks to be cleaned
        [01-11-16 4:55:54 pm]  | 1 task found
        [01-11-16 4:55:54 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        New connection from 10.133.132.242  (#0) 00000009
        [01-11-16 4:56:04 pm]  | 0 tasks to be cleaned
        [01-11-16 4:56:04 pm]  | 1 task found
        [01-11-16 4:56:04 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Starting transfer: 00000009
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1606
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1554
        bytes=  4 976 608  re-xmits=0000206 (  6.0%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=877
        bytes= 33 904 416  re-xmits=0003153 ( 13.5%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=414
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1051
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1001
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=917
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=981
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1439
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1504
        bytes= 51 679 264  re-xmits=0005546 ( 15.6%) slice=0112 -   0
        bytes= 67 660 320  re-xmits=0009744 ( 20.9%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1059
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=732
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=553
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=576
        bytes=102 883 872  re-xmits=0013016 ( 18.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=725
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=666
        bytes=133 985 488  re-xmits=0015786 ( 17.1%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=837
        bytes=154 532 560  re-xmits=0020475 ( 19.2%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=678
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=898
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=778
        bytes=161 870 800  re-xmits=0021278 ( 19.1%) slice=0112 -   0
        bytes=170 513 616  re-xmits=0021443 ( 18.3%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=546
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=577
        bytes=181 951 952  re-xmits=0022699 ( 18.1%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=6126
        bytes=203 314 384  re-xmits=0026621 ( 19.0%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=312
        bytes=250 215 056  re-xmits=0027340 ( 15.9%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=415
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=492
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=597
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=543
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=619
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=717
        bytes=279 522 880  re-xmits=0030935 ( 16.1%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=835
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=713
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=600
        bytes=293 384 000  re-xmits=0034010 ( 16.8%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1189
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1052
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=943
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=949
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1505
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1134
        [01-11-16 4:56:14 pm]  | 0 tasks to be cleaned
        [01-11-16 4:56:14 pm]  | 1 task found
        [01-11-16 4:56:14 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1066
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=959
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1214
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1660
        bytes=302 842 176  re-xmits=0036928 ( 17.7%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1634
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1452
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1422
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1340
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1596
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1744
        bytes=313 278 784  re-xmits=0039658 ( 18.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=569
        bytes=333 988 928  re-xmits=0044769 ( 19.5%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=690
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=784
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=640
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=886
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=819
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=807
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=805
        bytes=356 819 008  re-xmits=0049007 ( 19.9%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=816
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=709
        bytes=378 670 656  re-xmits=0053067 ( 20.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=614
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=596
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=778
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=878
        bytes=400 848 448  re-xmits=0057995 ( 21.0%) slice=0112 -   0
        bytes=423 189 312  re-xmits=0062372 ( 21.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=696
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=924
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=644
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=652
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=695
        bytes=444 225 600  re-xmits=0066687 ( 21.8%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=612
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=647
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=749
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=581
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=544
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=538
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=659
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=546
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=832
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=546
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=540
        bytes=465 588 032  re-xmits=0071328 ( 22.3%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=821
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=810
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=857
        bytes=484 341 312  re-xmits=0075419 ( 22.6%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1287
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1190
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1295
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1136
        bytes=496 897 856  re-xmits=0078113 ( 22.8%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=945
        bytes=518 097 216  re-xmits=0082459 ( 23.1%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=902
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1023
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1383
        bytes=537 665 856  re-xmits=0086766 ( 23.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=718
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=752
        bytes=561 637 440  re-xmits=0090529 ( 23.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=756
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=796
        bytes=586 587 456  re-xmits=0094555 ( 23.4%) slice=0112 -   0
        bytes=611 048 256  re-xmits=0098563 ( 23.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=912
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=668
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=596
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=610
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=716
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=540
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=540
        bytes=636 324 416  re-xmits=0102313 ( 23.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=539
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=727
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=927
        bytes=664 535 872  re-xmits=0105315 ( 23.0%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=746
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=499
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=751
        bytes=688 670 528  re-xmits=0109292 ( 23.1%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=406
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=705
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=868
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=753
        bytes=713 131 328  re-xmits=0113039 ( 23.0%) slice=0112 -   0
        [01-11-16 4:56:24 pm]  | 0 tasks to be cleaned
        [01-11-16 4:56:24 pm]  | 1 task found
        [01-11-16 4:56:24 pm]  | Task (14) Multi-Cast Task is already running PID 27247
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=630
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=464
        bytes=741 832 000  re-xmits=0115772 ( 22.7%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=724
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=721
        bytes=770 206 528  re-xmits=0119096 ( 22.5%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=644
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=639
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=1026
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=580
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=581
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=504
        bytes=799 722 560  re-xmits=0121997 ( 22.2%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=623
        bytes=826 140 224  re-xmits=0124891 ( 22.0%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=620
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=826
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=948
        bytes=850 601 024  re-xmits=0129301 ( 22.1%) slice=0112 -   0
        bytes=874 409 536  re-xmits=0134118 ( 22.3%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=661
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=560
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=638
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=548
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=667
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=549
        bytes=900 174 912  re-xmits=0138525 ( 22.4%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=450
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=546
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=518
        bytes=939 801 408  re-xmits=0140648 ( 21.7%) slice=0112 -   0
        
        Timeout notAnswered=[0] notReady=[0] nrAns=0 nrRead=0 nrPart=1 avg=924
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        Transfer complete.
        Disconnecting #0 (10.133.132.242)
        
        [01-11-16 4:57:44 pm]  | 0 tasks to be cleaned
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        [01-11-16 4:57:54 pm]  * No tasks found!
        
        Tom ElliottT 1 Reply Last reply Reply Quote 0
        • Tom ElliottT
          Tom Elliott @kenneth.sisco
          last edited by

          @kenneth.sisco making a connection is simple but the udp stream is not being allowed to pass after the initial connection is made. The separated network method you used sounds to have a slight difference from the real network side. I don’t know what or where. This does not sound like something fog is failing to do though, like I said, I’d take a look if you can on whether broadcast forwarding is on.

          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

          Wayne WorkmanW 1 Reply Last reply Reply Quote 1
          • Wayne WorkmanW
            Wayne Workman @Tom Elliott
            last edited by

            @Tom-Elliott said:

            I’d take a look if you can on whether broadcast forwarding is on.

            I agree with Tom. Broadcast forwarding is exactly what you need. This happens on your router - as a routing device is the only way that data from one LAN (or V-LAN) can traverse to other LANs (or V-LANS).

            Broadcast forwarding is called different things based on what vendor / piece of equipment you use. But it’s quite simply that which allows broadcast traffic to pass through a router. You’re network team don’t need to open everything up, they just need to allow passage from the server vlan to other vlans, and back. If your network team is really skilled, they can even limit it to a specific port on a specific switch, or a specific sending IP (the fog server’s IP).

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
            Daily Clean Installation Results:
            https://fogtesting.fogproject.us/
            FOG Reporting:
            https://fog-external-reporting-results.fogproject.us/

            1 Reply Last reply Reply Quote 0
            • K
              kenneth.sisco
              last edited by

              So I’m working with our network team to troubleshoot this, and we have “broadcast forwarding” working for the most part, but we’re going to keep digging. One thing we were concerned about was TTL on the client side. We can see the TTL from the server in the multicast.log, but we’re concerned about what the TTL is on the udp-receiver command. Is there a way to see that? Or a way to specify it? I was looking for the task files that 0.32 used to have stored in the tftpboot folder, but this version of Fog handles that differently, so I’m not sure where to find them.

              Wayne WorkmanW 1 Reply Last reply Reply Quote 0
              • Wayne WorkmanW
                Wayne Workman @kenneth.sisco
                last edited by Wayne Workman

                @kenneth.sisco said:

                Is there a way to see that? Or a way to specify it?

                It’s set to 32.

                The setting is part of the init, so to change it, you’ll need to edit it.

                Here are instructions on editing the init:
                https://wiki.fogproject.org/wiki/index.php?title=Modifying_the_Init_Image

                Here’s the command I used to find the command and it’s output.

                grep -rnw '/root/svn/trunk' -e "udp-receiver"

                /root/svn/trunk/.svn/pristine/34/347286bf65c7493cf5cd96049b458c34ad245cff.svn-base:374:        udp-receiver --nokbd --portbase $port --ttl 32 --mcast-rdv-address $storageip 2>/dev/null > /tmp/pigz1 &
                /root/svn/trunk/.svn/pristine/9f/9fbd1e42a40bc6fc567380e512a84c93d309d6b7.svn-base:442:            udp-receiver --nokbd --portbase $port --ttl 32 --mcast-rdv-address $storageip 2>/dev/null >/tmp/pigz1 &
                /root/svn/trunk/src/buildroot/package/fog/scripts/usr/share/fog/lib/funcs.sh:442:            udp-receiver --nokbd --portbase $port --ttl 32 --mcast-rdv-address $storageip 2>/dev/null >/tmp/pigz1 &
                

                For the record, I have went through 0.32’s code and I don’t see that ttl is specified at all in 0.32.
                Here is the output of the above search command when I pointed it at the 0.32 directory I checked out via svn:

                (the code lines are very wide, click and drag right to see it all)

                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:271:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:273:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null |  partimage -f3 -b restore $win7rec stdin
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:274:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:278:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore ${part} stdin
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:381:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $part stdin;
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:469:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null |  partimage -f3 -b restore $part stdin ;
                /root/svn/0.32/trunk/.svn/pristine/0c/0ce1eec0cc580ce17d377e5ef7c3ca6b4d39abab.svn-base:519:                                                    udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | dd of=${hd}
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:340:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:342:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore $win7rec stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:343:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:346:                                                        #udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore ${hd}1 stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:347:                                                        #udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore ${hd}2 stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:348:                                                        #udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:352:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore ${part} stdin
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:467:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $part stdin;
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:555:                                                        udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore $part stdin ;
                /root/svn/0.32/trunk/.svn/pristine/24/2461bc1e810a56b21208edfc4164f513270cdba2.svn-base:605:                                                    udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | dd of=${hd}
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:340:                                                                   udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:342:                                                                   udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore $win7rec stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:343:                                                                   udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:346:                                                           #       udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore ${hd}1 stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:347:                                                           #       udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore ${hd}2 stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:348:                                                           #       udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:352:                                                           udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore ${part} stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:467:                                                                       udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | partimage -f3 -b restore $part stdin;
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:555:                                                                       udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null |  partimage -f3 -b restore $part stdin ;
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog:605:                                                   udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | dd of=${hd}
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:271:                                                                  udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:273:                                                                  udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null |  partimage -f3 -b restore $win7rec stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:274:                                                                  udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $win7sys stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:278:                                                              udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore ${part} stdin
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:381:                                                                  udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | partimage -f3 -b restore $part stdin;
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:469:                                                                  udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null |  partimage -f3 -b restore $part stdin ;
                /root/svn/0.32/trunk/src/buildroot/package/customize/fog/scripts/bin/fog.bkup:519:                                                      udp-receiver --nokbd --portbase ${port} --mcast-rdv-address ${storageip} 2>/dev/null | gunzip -f -c 2>/dev/null | dd of=${hd}
                

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                https://fogtesting.fogproject.us/
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                • K
                  kenneth.sisco
                  last edited by

                  We’re still having trouble narrowing this down, but is it safe to assume that if Multicast is working across the same VLAN that it’s no longer a fog issue?

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                  • S
                    Sebastian Roth Moderator @kenneth.sisco
                    last edited by Sebastian Roth

                    @kenneth.sisco said:

                    We’re still having trouble narrowing this down, but is it safe to assume that if Multicast is working across the same VLAN that it’s no longer a fog issue?

                    I would think so! Looked into igmp settings on your switches yet?

                    Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                    Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                    K 1 Reply Last reply Reply Quote 1
                    • K
                      kenneth.sisco @Sebastian Roth
                      last edited by

                      @Sebastian-Roth Yes, we’ve looked at IGMP, but our topology is fairly complex. Currently the network team is working on moving rendezvous points closer to the server/clients and investigating potential issues in NXOS, as we recently migrated from Cisco IOS cores to Nexus.

                      Unfortunately, my visibility on this is very limited, so I’m doing my best to keep this rolling on the server side as we troubleshoot.

                      I’ll update with more info later as we progress.

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                      • K
                        kenneth.sisco
                        last edited by

                        Cool - issue resolved!

                        This was absolutely an issue on our network, but we’re not sure if it was an old static Rendezvous Point that was configured on our core or if it was our VPC redundancy between our two nexus switches, but we were able to solve it by disabling pim on one of the nexuses and removing that static RP.

                        Thanks for the help on investigating, everyone. It’s much appreciated.

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