Rare project developers

[Marcos Felipe Schwarz <>]

Hi all,

AMS-SAO now using Bella link. Please try again.
If the problem persists I'll try to dissect the packets on each hop with 
Everson.

Regards,

Marcos Schwarz

-----Mensagem original-----
De: Frédéric LOUI <> 
Enviada em: sábado, 5 de novembro de 2022 10:15
Para: Rafael S. Guimaraes <>
Cc: ; Everson Borges <>; 
Marcos Felipe Schwarz <>
Assunto: Re: [rare-dev] Experiment of polka for SC2022

Had a quick sync with Marcos.

We will try to switch to another circuit between AMS and SAO.
Once established it should be rendered in the GP4L (world map panel)

Cheers.
Frederic

> Le 5 nov. 2022 à 17:06, Rafael S. Guimaraes <> a écrit :
> 
> Hi Csaba, sorry for my late reply!
> 
> Yesterday, we observed the same issue happening in the PCAP file, the 
> packets coming with Ethertype as 0x0000 and the routeID 0x800489e7. TBH, we 
> did not know what was going on...thanks for answering and let's see if it 
> is something happening between AMS and SAO. I am attaching the pcap file 
> that we used. 
> 
> Best regards,
> Rafael Guimaraes
> 
> On Sat, 5 Nov 2022 at 03:03, mc36 <> wrote:
> finally i got an idea on how to have the pcap, attached...
> as you can see, the packets somehow arrive with ethertype=0x0000
> 
> MS0001#show polka routeid tunnel115
> mode  routeid
> hex   00 00 00 00 00 00 00 00 00 00 00 00 80 04 89 e7
> poly  10000000000001001000100111100111 [..]
> 
> interestingly, the polka coefficient is somehow present in the packet...
> 
> fl: what transit do we have in between ams and sao that can rewrite the 
> ethertype???
> br,
> cs
> 
> On 11/5/22 06:52, mc36 wrote:
> > hi,
> > a strange thing is going on here...
> > 
> > i ping flooded into your tunnel by the following:
> > AMS0001#ping 30.1.15.2 vrf CORE size 1111 repeat 1111111 tim 11
> > 
> > then i verified if it exits the switch as polka:
> > AMS0001#show interfaces sdn3.1916 ethertypes | include polka
> > ethtyp  8842   polka      16939  0      0     19189793  0        0
> > 
> > AMS0001#
> > it increases as i repeatedly issue the command....
> > 
> > but i get no polka packet at the sao switch:
> > SAO0021#show interfaces sdn51.459 ethertypes info 
> > userReader.cmdEnter:userReader.java:1032 command SAO0021#show interfaces 
> > sdn51.459 ethertypes  from telnet tunnel123 22222 -> 172.16.11.16 50016
> >                            packet                byte
> > type    value  handler    tx     rx       drop  tx       rx         drop
> > ethtyp  0000   null       0      2626139  0     0        313913310  0
> > ethtyp  0800   ip4        30943  30770    0     3460858  3770587    0
> > ethtyp  0806   arp4       147    146      0     4410     6424       0
> > ethtyp  86dd   ip6        40624  39721    0     4909863  5773324    0
> > ethtyp  8842   polka      0      0        0     0        0          0
> > ethtyp  8847   mplsUni    0      0        0     0        0          0
> > ethtyp  8848   mplsMulti  0      0        0     0        0          0
> > ethtyp  88cc   lldp       876    0        0     134028   0          0
> > 
> > SAO0021#
> > moreove the null increases here, which is an indicator of the unknown 
> > ethertype....
> > that is, my suspect here is the link between the two switches...
> > 
> > i did a packet capture on the intreface but i found no way to get the 
> > file...
> > can you please grab the /sdn51.459.pcap file from sao0021 and attach it 
> > here?
> > thanks,
> > cs
> > 
> > 
> > On 11/4/22 23:57, Everson Borges wrote:
> >> Hi All,
> >>
> >> We have a problem when sending traffic using the polka tunnel, if 
> >> someone can help us, that would be great.
> >>
> >> image.png
> >>
> >> We are sending Traffic from the DTN-AMS-bm6(10.1.101.101) host via the 
> >> polka tunnel (in blue), to DTN-OX(10.0.15.2), but we are facing the 
> >> following issue:
> >> - As shown below in the figure the packets have been dropped at the 
> >> switch sao0001 in the interface sdn51.459. The switch ams0001 forwards 
> >> according to the traffic.
> >>
> >> image.png
> >>
> >>
> >> All the configurations are available in p4lab.
> >> %3CmxGraphModel%3E%3Croot%3E%3CmxCell%20id%3D%220%22%2F%3E%3CmxCell
> >> %20id%3D%221%22%20parent%3D%220%22%2F%3E%3CmxCell%20id%3D%222%22%20
> >> style%3D%22edgeStyle%3DorthogonalEdgeStyle%3Brounded%3D0%3Borthogon
> >> alLoop%3D1%3BjettySize%3Dauto%3Bhtml%3D1%3BexitX%3D0%3BexitY%3D0.5%
> >> 3BexitDx%3D0%3BexitDy%3D0%3BentryX%3D1%3BentryY%3D0.5%3BentryDx%3D0
> >> %3BentryDy%3D0%3BstrokeColor%3D%23FF3333%3BstrokeWidth%3D2%3B%22%20
> >> edge%3D%221%22%20source%3D%223%22%20target%3D%2210%22%20parent%3D%2
> >> 21%22%3E%3CmxGeometry%20relative%3D%221%22%20as%3D%22geometry%22%2F
> >> %3E%3C%2FmxCell%3E%3CmxCell%20id%3D%223%22%20value%3D%22AMS0001%26l
> >> t%3Bbr%26gt%3BTofino%201%22%20style%3D%22rounded%3D1%3BwhiteSpace%3
> >> Dwrap%3Bhtml%3D1%3BfillColor%3D%23CCCCCC%3B%22%20vertex%3D%221%22%2
> >> 0parent%3D%221%22%3E%3CmxGeometry%20x%3D%22343%22%20y%3D%22150%22%2
> >> 0width%3D%22100%22%20height%3D%2250%22%20as%3D%22geometry%22%2F%3E%
> >> 3C%2FmxCell%3E%3CmxCell%20id%3D%224%22%20style%3D%22edgeStyle%3Dort
> >> hogonalEdgeStyle%3Brounded%3D0%3BorthogonalLoop%3D1%3BjettySize%3Da
> >> uto%3Bhtml%3D1%3BexitX%3D0%3BexitY%3D0.5%3BexitDx%3D0%3BexitDy%3D0%
> >> 3BentryX%3D1%3BentryY%3D0.5%3BentryDx%3D0%3BentryDy%3D0%3BstrokeCol
> >> or%3D%23000000%3BstrokeWidth%3D2%3B%22%20edge%3D%221%22%20source%3D
> >> %225%22%20target%3D%223%22%20parent%3D%221%22%3E%3CmxGeometry%20rel
> >> ative%3D%221%22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell
> >> %20id%3D%225%22%20value%3D%22SAO0001%26lt%3Bbr%26gt%3BTofino%201%22
> >> %20style%3D%22rounded%3D1%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillColo
> >> r%3D%23CCCCCC%3B%22%20vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGe
> >> ometry%20x%3D%22599.5%22%20y%3D%22150%22%20width%3D%22100%22%20heig
> >> ht%3D%2250%22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%2
> >> 0id%3D%226%22%20style%3D%22edgeStyle%3DorthogonalEdgeStyle%3Brounde
> >> d%3D0%3BorthogonalLoop%3D1%3BjettySize%3Dauto%3Bhtml%3D1%3BexitX%3D
> >> 0.5%3BexitY%3D0%3BexitDx%3D0%3BexitDy%3D0%3BentryX%3D0.5%3BentryY%3
> >> D1%3BentryDx%3D0%3BentryDy%3D0%3BstrokeWidth%3D2%3B%22%20edge%3D%22
> >> 1%22%20parent%3D%221%22%3E%3CmxGeometry%20relative%3D%221%22%20as%3
> >> D%22geometry%22%3E%3CmxPoint%20x%3D%22653.5%22%20y%3D%22430%22%20as
> >> %3D%22sourcePoint%22%2F%3E%3CmxPoint%20x%3D%22653.5%22%20y%3D%22200
> >> %22%20as%3D%22targetPoint%22%2F%3E%3C%2FmxGeometry%3E%3C%2FmxCell%3
> >> E%3CmxCell%20id%3D%227%22%20style%3D%22edgeStyle%3DorthogonalEdgeSt
> >> yle%3Brounded%3D0%3BorthogonalLoop%3D1%3BjettySize%3Dauto%3Bhtml%3D
> >> 1%3BexitX%3D0%3BexitY%3D0.5%3BexitDx%3D0%3BexitDy%3D0%3BentryX%3D1%
> >> 3BentryY%3D0.5%3BentryDx%3D0%3BentryDy%3D0%3BstrokeColor%3D%23FF000
> >> 0%3BstrokeWidth%3D2%3B%22%20edge%3D%221%22%20source%3D%228%22%20tar
> >> get%3D%229%22%20parent%3D%221%22%3E%3CmxGeometry%20relative%3D%221%
> >> 22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%228%
> >> 22%20value%3D%22MIA0001%26lt%3Bbr%26gt%3BTofino%201%22%20style%3D%2
> >> 2rounded%3D1%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillColor%3D%23CCCCCC
> >> %3B%22%20vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D
> >> %22599.5%22%20y%3D%22430%22%20width%3D%22100%22%20height%3D%2250%22
> >> %20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%229%22
> >> %20value%3D%22DTN-OX%22%20style%3D%22whiteSpace%3Dwrap%3Bhtml%3D1%3
> >> Baspect%3Dfixed%3BfillColor%3D%23CCCCCC%3B%22%20vertex%3D%221%22%20
> >> parent%3D%221%22%3E%3CmxGeometry%20x%3D%22370%22%20y%3D%22425%22%20
> >> width%3D%2260%22%20height%3D%2260%22%20as%3D%22geometry%22%2F%3E%3C
> >> %2FmxCell%3E%3CmxCell%20id%3D%2210%22%20value%3D%22DTN-ams-bms6%22%
> >> 20style%3D%22whiteSpace%3Dwrap%3Bhtml%3D1%3Baspect%3Dfixed%3BfillCo
> >> lor%3D%23CCCCCC%3B%22%20vertex%3D%221%22%20parent%3D%221%22%3E%3Cmx
> >> Geometry%20x%3D%22124%22%20y%3D%22145%22%20width%3D%2260%22%20heigh
> >> t%3D%2260%22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20
> >> id%3D%2211%22%20value%3D%22sdn1.1779%26lt%3Bbr%26gt%3B10.15.16.1%22
> >> %20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillColo
> >> r%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20vertex%3D%221%22%20
> >> parent%3D%221%22%3E%3CmxGeometry%20x%3D%22659%22%20y%3D%22390%22%20
> >> width%3D%2274%22%20height%3D%2230%22%20as%3D%22geometry%22%2F%3E%3C
> >> %2FmxCell%3E%3CmxCell%20id%3D%2212%22%20value%3D%22sdn51.2500%26lt%
> >> 3Bbr%26gt%3B10.15.16.2%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dw
> >> rap%3Bhtml%3D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B
> >> %22%20vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22
> >> 656%22%20y%3D%22215%22%20width%3D%2274%22%20height%3D%2230%22%20as%
> >> 3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2213%22%20va
> >> lue%3D%22sdn51.459%26lt%3Bbr%26gt%3B10.19.16.2%22%20style%3D%22roun
> >> ded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillColor%3D%23f8cecc%3Bst
> >> rokeColor%3D%23b85450%3B%22%20vertex%3D%221%22%20parent%3D%221%22%3
> >> E%3CmxGeometry%20x%3D%22530%22%20y%3D%22178%22%20width%3D%2267%22%2
> >> 0height%3D%2230%22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxC
> >> ell%20id%3D%2214%22%20value%3D%22%26lt%3Bdiv%26gt%3B%26lt%3Bspan%20
> >> style%3D%26quot%3Bbackground-color%3A%20initial%3B%26quot%3B%26gt%3
> >> Bsdn3.1916%26lt%3B%2Fspan%26gt%3B%26lt%3Bbr%26gt%3B%26lt%3B%2Fdiv%2
> >> 6gt%3B%26lt%3Bdiv%26gt%3B10.19.16.1%26lt%3Bbr%26gt%3B%26lt%3B%2Fdiv
> >> %26gt%3B%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1
> >> %3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20vertex%3
> >> D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22454%22%20y%3D%
> >> 22178%22%20width%3D%2266%22%20height%3D%2230%22%20as%3D%22geometry%
> >> 22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2215%22%20value%3D%2210.15
> >> .15.15%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3
> >> BfillColor%3D%2300FF00%3BstrokeColor%3D%23b85450%3B%22%20vertex%3D%
> >> 221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22616%22%20y%3D%22
> >> 480%22%20width%3D%2267%22%20height%3D%2230%22%20as%3D%22geometry%22
> >> %2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2216%22%20value%3D%2210.16.1
> >> 6.16%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3Bf
> >> illColor%3D%2300FF00%3BstrokeColor%3D%23b85450%3B%22%20vertex%3D%22
> >> 1%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22616%22%20y%3D%2212
> >> 0%22%20width%3D%2267%22%20height%3D%2230%22%20as%3D%22geometry%22%2
> >> F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2217%22%20value%3D%2210.1.1.1%
> >> 22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillCo
> >> lor%3D%2300FF00%3BstrokeColor%3D%23b85450%3B%22%20vertex%3D%221%22%
> >> 20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22359%22%20y%3D%22120%22%
> >> 20width%3D%2267%22%20height%3D%2230%22%20as%3D%22geometry%22%2F%3E%
> >> 3C%2FmxCell%3E%3CmxCell%20id%3D%2218%22%20value%3D%22enp5s0f0.101%2
> >> 2%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfillCol
> >> or%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20vertex%3D%221%22%2
> >> 0parent%3D%221%22%3E%3CmxGeometry%20x%3D%22186%22%20y%3D%22135%22%2
> >> 0width%3D%2298%22%20height%3D%2230%22%20as%3D%22geometry%22%2F%3E%3
> >> C%2FmxCell%3E%3CmxCell%20id%3D%2219%22%20value%3D%22sdn3.101%26lt%3
> >> Bbr%26gt%3B10.1.101.1%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwr
> >> ap%3Bhtml%3D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%
> >> 22%20vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%222
> >> 80%22%20y%3D%22178%22%20width%3D%2260%22%20height%3D%2242%22%20as%3
> >> D%22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2220%22%20val
> >> ue%3D%22ens6f1.1779%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap
> >> %3Bhtml%3D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22
> >> %20vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22432
> >> %22%20y%3D%22417%22%20width%3D%2278%22%20height%3D%2230%22%20as%3D%
> >> 22geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2221%22%20value
> >> %3D%2210.0.15.2%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bh
> >> tml%3D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20v
> >> ertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22364%22%
> >> 20y%3D%22487%22%20width%3D%2272%22%20height%3D%2230%22%20as%3D%22ge
> >> ometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2222%22%20value%3D%
> >> 2210.1.101.101%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bht
> >> ml%3D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20ve
> >> rtex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22119%22%2
> >> 0y%3D%22207%22%20width%3D%2272%22%20height%3D%2230%22%20as%3D%22geo
> >> metry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2223%22%20value%3D%2
> >> 2%22%20style%3D%22endArrow%3Dclassic%3BstartArrow%3Dclassic%3Bhtml%
> >> 3D1%3Brounded%3D0%3BstrokeColor%3D%230000CC%3BstrokeWidth%3D5%3Bdas
> >> hed%3D1%3B%22%20edge%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%2
> >> 0width%3D%2250%22%20height%3D%2250%22%20relative%3D%221%22%20as%3D%
> >> 22geometry%22%3E%3CmxPoint%20x%3D%22580%22%20y%3D%22440%22%20as%3D%
> >> 22sourcePoint%22%2F%3E%3CmxPoint%20x%3D%22320%22%20y%3D%22159%22%20
> >> as%3D%22targetPoint%22%2F%3E%3CArray%20as%3D%22points%22%3E%3CmxPoi
> >> nt%20x%3D%22620%22%20y%3D%22440%22%2F%3E%3CmxPoint%20x%3D%22620%22%
> >> 20y%3D%22159%22%2F%3E%3C%2FArray%3E%3C%2FmxGeometry%3E%3C%2FmxCell%
> >> 3E%3CmxCell%20id%3D%2224%22%20value%3D%22sdn2.1779%26lt%3Bbr%26gt%3
> >> B10.0.15.1%22%20style%3D%22rounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3
> >> D1%3BfillColor%3D%23f8cecc%3BstrokeColor%3D%23b85450%3B%22%20vertex
> >> %3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22530%22%20y%3
> >> D%22458%22%20width%3D%2267%22%20height%3D%2242%22%20as%3D%22geometr
> >> y%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2225%22%20value%3D%22Tun
> >> nel115%3A%26amp%3Bnbsp%3B%2030.1.15.1%2F30%22%20style%3D%22rounded%
> >> 3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfontColor%3D%233333FF%3B%22%20
> >> vertex%3D%221%22%20parent%3D%221%22%3E%3CmxGeometry%20x%3D%22470%22
> >> %20y%3D%22135%22%20width%3D%22110%22%20height%3D%2230%22%20as%3D%22
> >> geometry%22%2F%3E%3C%2FmxCell%3E%3CmxCell%20id%3D%2226%22%20value%3
> >> D%22Tunnel115%3A%26amp%3Bnbsp%3B%2030.1.15.2%2F30%22%20style%3D%22r
> >> ounded%3D0%3BwhiteSpace%3Dwrap%3Bhtml%3D1%3BfontColor%3D%233333FF%3
> >> Brotation%3D-90%3B%22%20vertex%3D%221%22%20parent%3D%221%22%3E%3Cmx
> >> Geometry%20x%3D%22560%22%20y%3D%22325%22%20width%3D%22110%22%20heig
> >> ht%3D%2230%22%20as%3D%22geometry%22%2F%3E%3C%2FmxCell%3E%3C%2Froot%
> >> 3E%3C%2FmxGraphModel%3
> >> I'
> >> --
> >> Best regards
> >> Everson
> <sdn51.459.pcap>