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modify the VLAN Tag and network_name of a subnet in OVN,ovs trace and communication failure. #341

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zhaiyj opened this issue Sep 10, 2024 · 0 comments
Open

modify the VLAN Tag and network_name of a subnet in OVN,ovs trace and communication failure. #341

zhaiyj opened this issue Sep 10, 2024 · 0 comments

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@zhaiyj
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zhaiyj commented Sep 10, 2024

I want to modify the VLAN Tag and network_name of a subnet in OVN, and I also hope to change the patch port connections from br-int and br-public-net to br-int and br-trunk-net. However, after making these changes, the output of ovs-vsctl show reflect the expected configuration, and there are still issues when running ovs-trace, indicating that the modification was not successful. Here's the current configuration situation.

  1. ovs trace flow detail:
    root@ecx-nm-huhehaote20-edge-186-35:/kube-ovn# ovs-appctl ofproto/trace br-int 'in_port=61,dl_src=c6:e3:32:84:64:e2,dl_dst=ff:ff:ff:ff:ff:ff,arp,arp_op=1,arp_sha=c6:e3:32
    :84:64:e2,arp_spa=1.180.0.9,arp_tpa=1.180.0.253,arp_tha=00:00:00:00:00:00'
    Flow: arp,in_port=61,vlan_tci=0x0000,dl_src=c6:e3:32:84:64:e2,dl_dst=ff:ff:ff:ff:ff:ff,arp_spa=1.180.0.9,arp_tpa=1.180.0.253,arp_op=1,arp_sha=c6:e3:32:84:64:e2,arp_tha=00
    :00:00:00:00:00

bridge("br-int")

  1. in_port=61, priority 100, cookie 0x58f2018a
    set_field:0x1c->reg13
    set_field:0x45->reg11
    set_field:0x9e->reg12
    set_field:0x128->metadata
    set_field:0x5->reg14
    resubmit(,8)

  2. reg14=0x5,metadata=0x128,dl_src=c6:e3:32:84:64:e2, priority 50, cookie 0x3960ca2f
    resubmit(,9)

  3. metadata=0x128, priority 0, cookie 0xacf17e03
    resubmit(,10)

  4. arp,reg14=0x5,metadata=0x128,dl_src=c6:e3:32:84:64:e2,arp_spa=1.180.0.9,arp_sha=c6:e3:32:84:64:e2, priority 90, cookie 0x9dc91549
    resubmit(,11)

  5. metadata=0x128, priority 0, cookie 0xa120b894
    resubmit(,12)

  6. metadata=0x128, priority 0, cookie 0x561636fb
    resubmit(,13)

  7. metadata=0x128, priority 0, cookie 0xc1f2d2c4
    resubmit(,14)

  8. ct_state=-trk,arp,reg14=0x5,metadata=0x128, priority 3005, cookie 0x52dabc95
    resubmit(,15)

  9. metadata=0x128, priority 0, cookie 0xb81f425b
    resubmit(,16)

  10. metadata=0x128, priority 0, cookie 0xf231951f
    resubmit(,17)

  11. metadata=0x128, priority 0, cookie 0x5978a7de
    resubmit(,18)

  12. metadata=0x128, priority 0, cookie 0xc5490f4
    resubmit(,19)

  13. metadata=0x128, priority 0, cookie 0x98237cdf
    resubmit(,20)

  14. metadata=0x128, priority 0, cookie 0xf7c2cf5
    resubmit(,21)

  15. metadata=0x128, priority 0, cookie 0x5de82c06
    resubmit(,22)

  16. metadata=0x128, priority 0, cookie 0x99f97690
    resubmit(,23)

  17. metadata=0x128, priority 0, cookie 0x12cb440a
    resubmit(,24)

  18. metadata=0x128, priority 0, cookie 0x3e4a2523
    resubmit(,25)

  19. metadata=0x128, priority 0, cookie 0x5f19ece2
    resubmit(,26)

  20. metadata=0x128, priority 0, cookie 0xc2b59034
    resubmit(,27)

  21. metadata=0x128,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00, priority 70, cookie 0x33c69fe5
    set_field:0x8000->reg15
    resubmit(,32)

  22. priority 0
    resubmit(,33)

  23. reg15=0x8000,metadata=0x128, priority 100, cookie 0x3a6e9565
    set_field:0xad->reg13
    set_field:0x7->reg15
    resubmit(,34)
    34. priority 0
    set_field:0->reg0
    set_field:0->reg1
    set_field:0->reg2
    set_field:0->reg3
    set_field:0->reg4
    set_field:0->reg5
    set_field:0->reg6
    set_field:0->reg7
    set_field:0->reg8
    set_field:0->reg9
    resubmit(,40)
    40. metadata=0x128, priority 0, cookie 0xa7bc9567
    resubmit(,41)
    41. metadata=0x128, priority 0, cookie 0xa879924e
    resubmit(,42)
    42. metadata=0x128, priority 0, cookie 0x57f9ccc1
    resubmit(,43)
    43. metadata=0x128, priority 0, cookie 0x77bc39ec
    resubmit(,44)
    44. reg15=0x7,metadata=0x128, priority 65535, cookie 0xbb75b2a
    resubmit(,45)
    45. metadata=0x128, priority 0, cookie 0x7516e370
    resubmit(,46)
    46. metadata=0x128, priority 0, cookie 0x16bed93d
    resubmit(,47)
    47. metadata=0x128, priority 0, cookie 0x2bf86781
    resubmit(,48)
    48. metadata=0x128, priority 0, cookie 0x4ede2583
    resubmit(,49)
    49. metadata=0x128,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00, priority 100, cookie 0x5724d996
    resubmit(,64)
    64. priority 0
    resubmit(,65)
    65. reg15=0x7,metadata=0x128, priority 100, cookie 0x9dde4e0
    push_vlan:0x8100
    set_field:4296->vlan_vid
    output:2023

        bridge("br-public-net")
    -----------------------
         0. priority 0
            NORMAL
             >>>> received packet on unknown port 12 <<<<
             >> no input bundle, dropping
    pop_vlan

    set_field:0x1c->reg13
    set_field:0x5->reg15
    resubmit(,34)
    34. reg10=0/0x1,reg14=0x5,reg15=0x5,metadata=0x128, priority 100
    drop
    set_field:0xc->reg13
    set_field:0x6->reg15
    resubmit(,34)
    34. priority 0
    set_field:0->reg0
    set_field:0->reg1
    set_field:0->reg2
    set_field:0->reg3
    set_field:0->reg4
    set_field:0->reg5
    set_field:0->reg6
    set_field:0->reg7
    set_field:0->reg8
    set_field:0->reg9
    resubmit(,40)
    40. metadata=0x128, priority 0, cookie 0xa7bc9567
    resubmit(,41)
    41. metadata=0x128, priority 0, cookie 0xa879924e
    resubmit(,42)
    42. metadata=0x128, priority 0, cookie 0x57f9ccc1
    resubmit(,43)
    43. metadata=0x128, priority 0, cookie 0x77bc39ec
    resubmit(,44)
    44. ct_state=-trk,arp,reg15=0x6,metadata=0x128, priority 3005, cookie 0x7fe5f835
    resubmit(,45)
    45. metadata=0x128, priority 0, cookie 0x7516e370
    resubmit(,46)
    46. metadata=0x128, priority 0, cookie 0x16bed93d
    resubmit(,47)
    47. metadata=0x128, priority 0, cookie 0x2bf86781
    resubmit(,48)
    48. metadata=0x128, priority 0, cookie 0x4ede2583
    resubmit(,49)
    49. metadata=0x128,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00, priority 100, cookie 0x5724d996
    resubmit(,64)
    64. priority 0
    resubmit(,65)
    65. reg15=0x6,metadata=0x128, priority 100, cookie 0xb87182eb
    output:58
    set_field:0x8000->reg15

Final flow: arp,reg11=0x45,reg12=0x9e,reg13=0xc,reg14=0x5,reg15=0x8000,metadata=0x128,in_port=61,vlan_tci=0x0000,dl_src=c6:e3:32:84:64:e2,dl_dst=ff:ff:ff:ff:ff:ff,arp_spa
=1.180.0.9,arp_tpa=1.180.0.253,arp_op=1,arp_sha=c6:e3:32:84:64:e2,arp_tha=00:00:00:00:00:00
Megaflow: recirc_id=0,ct_state=-new-est-rel-rpl-inv-trk,ct_label=0/0x1,eth,arp,in_port=61,dl_src=c6:e3:32:84:64:e2,dl_dst=ff:ff:ff:ff:ff:ff,arp_spa=1.180.0.9,arp_tpa=1.18
0.0.253,arp_op=1,arp_sha=c6:e3:32:84:64:e2
Datapath actions: 11

ovs megaflow
megaflow

ovs patch port
port connect br-int, patch port br-trunk
bridge

trace flow detail flow to br-public-net bridge error.
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