RARE user and assistance email list

[Xavier Jeannin <>]

Hello Csaba

Restarting from a clean configuration and following your advice, now the bundle works.
Nevertheless, I encounter a issue that I solved but I would like to ask you the rational.

When I add a new client, I put it in VLAN12, So I add a sub interface (on client side sdn15.12) and I configure on the linux server a VLAN 12.
But ping did not work. The arp resolution work on the RENATER PE (DPDK), on the PPN (Wedge/ on the bridge) and on the client (Linux server).
After trying to find a misconfiguration, I clear the server p4lang on the PPN Wedge and it works.
I did not make any change on server p4lang  (not exported the bridge2 required for VLAN12).

So my questions

• what exactly does the server p4lang?
• why the clear operation of server p4lang allows the forwarding of the packet ?
  
• How I can check the behaviour of my bundle? sharing of traffic between the 2 links?
  

Thank you

Regards
Xavier

Le 24/10/2022 à 16:42, mc36 a écrit :

    hi,
      
      
      then imho the easiest way to test these is the following:
      
      
      ppn:
      
      bundle 1
      
      bridge 1
      
      int sdn10
      
       bundle 1
      
      int sdn7
      
       bundle 1
      
      int sdn15.11
      
       bridge 1
      
      int bun1.11
      
       bridge 1
      
      
      and remove everything else, and do a clear p4 p4
      
      
      the backbone pe can do the bare minimum:
      
      bun 1
      
      int bun1.11
      
       vrf for inet
      
       ipv4 addr..
      
      
      and remove everything else, and do a clear p4 p4
      
      
      imho that is what you mentioned below with the "supporess bridge
      on dav0101"...
      
      
      regarding the strange ping issue, imho you got some garbage in the
      configs for now...
      
      (seen similar when you mix the bridge and routed config i've seen
      in you original today-v3 configs)
      
      what about a write erase / reload and reconfiguring the boxes only
      with the above? :)
      
      
      br,
      
      cs
      
      
      
      
      On 10/24/22 16:30, Xavier Jeannin wrote:
      
> I removed the Bund1.11
>         
>         I put below the show bridge outcome
>         
>         
>         I am a little bit lost
>         
>         
>         My PPN (DAV0001) will work at L2 - OK
>         
>         But I need to establish a peering between my client 11.11.11.44
>         and the RENATER backbone PE (DAV0101).
>         
>         It is what I try to do on DAV0101.
>         
>         
>         I want to terminate L2 VLAN 11 on the RENATER backbone PE
>         (DAV0101)
>         
>         So
>         
>         1/ I suppress the bridge on DAV0101
>         
>         2/ I put an IP@ on sdn5.11 ( 11.11.11.1)
>         
>         
>         --> is it correct?
>         
>         
>         I have a very strange behaviour.
>         
>         I can ping from the linux (11.11.11.44) the IP   11.11.11.1 on
>         DAV0101
>         
>         but the opposite does not work ...
>         
>         
>         
>         
>         
>         thank you
>         
>         Xavier
>         
>         
>         Le 24/10/2022    16:02, mc36 a   crit  :
>         
> > hi.
> >           
> >           
> >           On 10/24/22 15:57, Xavier Jeannin wrote:
> >           
> > >             
> > >             Le 24/10/2022       15:52, mc36 a     crit   :
> > >             
> > > > uhhh, please remove the ip address
> > > >               from the bvi1 and bun1.11,
> > > >               
> > > >               as if it have an ip then it'll be exported as routed
> > > >               port...
> > > >               
> > > >               also please remove the export-port bvi1 dynamic
> > > >               beforehand...
> > > >               
> > > >               also a clear p4 p4 may be needed after doing so...
> > > >               
> > > >               after that, if the bridge tables stays the same, it should
> > > >               work...
> > > >               
> > > >             
> > >             
> > >             thank you
> > >             
> > >             I will do it but If I suppress the address on bvi1 and
> > >             bun1.11, how can I ping from DAV0001 to DAV0101?
> > >             
> > >             
> > >           
> >           right now, a bridge if exported, then have no addresses, so
> >           you cannot ping in between the boxes...
> >           
> >           it only provides layer2 services and no ip addresses can
> >           belong to it... as soon as you do configure
> >           
> >           an ip on the bridge, or export it, it becomes a routed bridge,
> >           that is, the box will just minic bridging...
> >           
> >           if you want some connectivity check then you need to configure
> >           an additional vlan on the bundle...
> >           
> >           
> > > I put here show bundle result
> > >             
> > >             
> > >           
> >           nooo please remove that subinterface, it'll be created
> >           implicitly when you configure the bundle...
> >           
> >           
> >           br,
> >           
> >           cs
> >           
> >           
> > > br
> > >             
> > >             Xavier
> > >             
> > >             
> > > > br,
> > > >               
> > > >               cs
> > > >               
> > > >               
> > > >               
> > > >               On 10/24/22 15:47, Xavier Jeannin wrote:
> > > >               
> > > > > Hi
> > > > >                 
> > > > >                 
> > > > >                 Thank you for your help
> > > > >                 
> > > > >                 
> > > > >                 I just come back and put the IP address on the bviX
> > > > >                 interface instead of Bund1.X
> > > > >                 
> > > > >                 
> > > > >                 Find below the show bridge1
> > > > >                 
> > > > >                 It seems the mac learning works
> > > > >                 
> > > > >                 
> > > > >                 No the from Bund1.11 and now bvi1 - ping does not work
> > > > >                 
> > > > >                 Would you like I put a IPv4 @ on sdn4.11?
> > > > >                 
> > > > >                 
> > > > >                 
> > > > >                 
> > > > >                 thank you
> > > > >                 
> > > > >                 Xavier
> > > > >                 
> > > > >                 
> > > > >                 Le 24/10/2022             15:16, mc36 a         crit    
> > > > >                 :
> > > > >                 
> > > > > > hi,
> > > > > >                   
> > > > > >                   sad to hear that.. does the bundling alone work? i saw
> > > > > >                   a .11 subinterface in your configs, does that one
> > > > > >                   ping?
> > > > > >                   
> > > > > >                   also, does the mac learning at least work? could you
> > > > > >                   please share sho bri 1 from both boxes?
> > > > > >                   
> > > > > >                   thanks,
> > > > > >                   
> > > > > >                   cs
> > > > > >                   
> > > > > >                   
> > > > > >                   
> > > > > >                   On 10/24/22 14:37, Xavier Jeannin wrote:
> > > > > >                   
> > > > > > > Hello Csaba,
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     I apply your example but it does not work.
> > > > > > >                     
> > > > > > >                     I am pretty sure, it is a
> > > > > > >                     misconfiguration                 :-(
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     I put the configuration of the 2 switch attached and
> > > > > > >                     few show commands below
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     Thank you
> > > > > > >                     
> > > > > > >                     Xavier
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     DAV0101#show bundle 1
> > > > > > >                     
> > > > > > >                     parameter                 state
> > > > > > >                     
> > > > > > > backup                                                                 0
> > > > > > >                     
> > > > > > >                     selected                                 null
> > > > > > >                     
> > > > > > >                     replicate                 false
> > > > > > >                     
> > > > > > >                     sequence                                 null
> > > > > > >                     
> > > > > > >                     dejitter                                 0
> > > > > > >                     
> > > > > > >                     reporter                                 0
> > > > > > >                     
> > > > > > > dynamic                                                 0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     interface                 state                
> > > > > > >                     quota report                 priority
> > > > > > >                     
> > > > > > >                     sdn4
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     sdn5
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     DAV0101#show bundle 1
> > > > > > >                     
> > > > > > >                     parameter                 state
> > > > > > >                     
> > > > > > > backup                                                                 0
> > > > > > >                     
> > > > > > >                     selected                                 null
> > > > > > >                     
> > > > > > >                     replicate                 false
> > > > > > >                     
> > > > > > >                     sequence                                 null
> > > > > > >                     
> > > > > > >                     dejitter                                 0
> > > > > > >                     
> > > > > > >                     reporter                                 0
> > > > > > >                     
> > > > > > > dynamic                                                 0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     interface                 state                
> > > > > > >                     quota report                 priority
> > > > > > >                     
> > > > > > >                     sdn4
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     sdn5
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     DAV0101#show lacp neighbor
> > > > > > >                     
> > > > > > >                     interface                 system
> > > > > > >                     port                                                                
> > > > > > >                     state
> > > > > > >                     
> > > > > > >                     sdn4 32768.0000.0000.1234.12345
> > > > > > >                     32768.3                 63
> > > > > > >                     
> > > > > > >                     sdn5 32768.0000.0000.1234.12345
> > > > > > >                     32768.1                 63
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     DAV0001#show bundle 1
> > > > > > >                     
> > > > > > >                     parameter                 state
> > > > > > >                     
> > > > > > > backup                                                                 0
> > > > > > >                     
> > > > > > >                     selected                                 null
> > > > > > >                     
> > > > > > >                     replicate                 false
> > > > > > >                     
> > > > > > >                     sequence                                 null
> > > > > > >                     
> > > > > > >                     dejitter                                 0
> > > > > > >                     
> > > > > > >                     reporter                                 0
> > > > > > >                     
> > > > > > > dynamic                                                 0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     interface                 state                
> > > > > > >                     quota report                 priority
> > > > > > >                     
> > > > > > >                     sdn7
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     sdn10
> > > > > > >                     up                                                                
> > > > > > >                     2000
> > > > > > > 0                                                                                                
> > > > > > >                     0
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     DAV0001#show lacp neighbor
> > > > > > >                     
> > > > > > >                     interface                 system
> > > > > > >                     port                                                                
> > > > > > >                     state
> > > > > > >                     
> > > > > > >                     sdn10 32768.0000.0000.4321.12345
> > > > > > >                     32768.4                 63
> > > > > > >                     
> > > > > > >                     sdn7 32768.0000.0000.4321.12345
> > > > > > >                     32768.2                 63
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     
> > > > > > >                     Le 24/10/2022                         13:07, mc36
> > > > > > >                     a                 crit :
> > > > > > >                     
> > > > > > > > hi,
> > > > > > > >                       
> > > > > > > >                       in general, bundles are created over physical
> > > > > > > >                       interfaces and not subinterfaces...
> > > > > > > >                       
> > > > > > > >                       so you have to bundle the sdns togeher, then
> > > > > > > >                       configure the subinterface on top of the bundle
> > > > > > > >                       interface...
> > > > > > > >                       
> > > > > > > >                       much like this:
> > > > > > > >                       http://sources.freertr.org/cfg/p4lang-rout018.tst
> > > > > > > >                       
> > > > > > > >                       here you create a vlan 11 subinterface on top of
> > > > > > > >                       sdn3 and sdn4...
> > > > > > > >                       
> > > > > > > >                       br,
> > > > > > > >                       
> > > > > > > >                       cs
> > > > > > > >                       
> > > > > > > >                       
> > > > > > > >                       
> > > > > > > >                       
> > > > > > > >                       On 10/24/22 12:11, Xavier Jeannin wrote:
> > > > > > > >                       
> > > > > > > > > Hello Csaba,
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         Thank                                 you for
> > > > > > > > >                         your email.
> > > > > > > > >                         
> > > > > > > > >                         I want to collect our user traffic and put their
> > > > > > > > >                         traffic in a dedicated VLAN (then established
> > > > > > > > >                         the BGP peering between the RENATER bacbone PE
> > > > > > > > >                         and the client) - see picture below.
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         My understanding (I am certainly wrong) is that
> > > > > > > > >                         I have to put the interface (sdnXX) in the
> > > > > > > > >                         bundle (not the sub interface) and it should be
> > > > > > > > >                         enough (see configuration attached).
> > > > > > > > >                         
> > > > > > > > >                         But it does not work
> > > > > > > > >                         
> > > > > > > > >                         I try also to put the sub-interface but no
> > > > > > > > >                         success.
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         Could you advice what type of configuration
> > > > > > > > >                         should I use for this use case?
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         The example available on
> > > > > > > > >                         http://docs.freertr.org/guides/reference/ are
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle01 bundle of ethernet port
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle02 bundle of serial port
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle03 bundle of ethernet ports
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle04 bundle of serial ports
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle05 bundle over bridge
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle06 bridge over bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle07 replicating bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle08 unreplicating bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle09 dejittering bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle10 loadbalancing bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle11 multichassis bundle
> > > > > > > > >                         
> > > > > > > > >                         conn-bundle12 backup bundle
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         Thank you
> > > > > > > > >                         
> > > > > > > > >                         Regards
> > > > > > > > >                         
> > > > > > > > >                         Xavier
> > > > > > > > >                         
> > > > > > > > >                         
> > > > > > > > >                         Le
> > > > > > > > >                         20/10/2022                                                
> > > > > > > > >                         10:03, mc36 a                                
> > > > > > > > >                         crit :
> > > > > > > > >                         
> > > > > > > > > > hi,
> > > > > > > > > >                           
> > > > > > > > > >                           lacp is there:
> > > > > > > > > >                           
> > > > > > > > > >                           you have to configure it per member interface
> > > > > > > > > >                           with both the lacp knob and the bundle-group
> > > > > > > > > >                           knob...
> > > > > > > > > >                           
> > > > > > > > > >                           the first one is just the protocol sender and
> > > > > > > > > >                           you can omit if you do "mode on" on the remote
> > > > > > > > > >                           side...
> > > > > > > > > >                           
> > > > > > > > > >                           so that latter is the interesting part in the
> > > > > > > > > >                           fastpath, and it's heavily tested with the
> > > > > > > > > >                           dataplanes...
> > > > > > > > > >                           
> > > > > > > > > >                           br,
> > > > > > > > > >                           
> > > > > > > > > >                           cs
> > > > > > > > > >                           
> > > > > > > > > >                           
> > > > > > > > > >                           On 10/20/22 09:58, 
> > > > > > > > > >                           wrote:
> > > > > > > > > >                           
> > > > > > > > > > > Hello
> > > > > > > > > > >                             
> > > > > > > > > > >                             
> > > > > > > > > > >                             I allow myself to post again this request
> > > > > > > > > > >                             about LACP supporting trunk as if this would
> > > > > > > > > > >                             not be implemented, it will impact strongly
> > > > > > > > > > >                             our use case deployment.
> > > > > > > > > > >                             
> > > > > > > > > > >                             
> > > > > > > > > > >                             Thank you
> > > > > > > > > > >                             
> > > > > > > > > > >                             Regards
> > > > > > > > > > >                             
> > > > > > > > > > >                             Xavier
> > > > > > > > > > >                             
> > > > > > > > > > >                             
> > > > > > > > > > >                             Le 17/10/2022 18:23, Xavier Jeannin a
> > > > > > > > > > >                             crit                                 :
> > > > > > > > > > >                             
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               Hello
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               I am still stuck with the creation of LACP
> > > > > > > > > > > >                               handling a trunk.
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               In the meantime, I review my configuration
> > > > > > > > > > > >                               and see that "bridge-group 2" was not
> > > > > > > > > > > >                               declared in P4 server after correction
> > > > > > > > > > > >                               same pb.
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               This really something that block this
> > > > > > > > > > > >                               work.
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               Any suggestion ?
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               Regards
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               Xavier
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               
> > > > > > > > > > > >                               Le 27/09/2022 10:37, Xavier Jeannin a
> > > > > > > > > > > >                               crit                                 :
> > > > > > > > > > > >                               
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 Hello
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 I create a testbed on which (see picture
> > > > > > > > > > > > >                                 attached):
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                                                  * the
> > > > > > > > > > > > >                                 client is connected on a WEDGE (L2-PPN)
> > > > > > > > > > > > >                                 at Layer 2 using
> > > > > > > > > > > > >                                 Ethernet                                                                
> > > > > > > > > > > > >                                 or VLAN
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                                                  * The
> > > > > > > > > > > > >                                 WEDGE (L2PPN) should be connected to our
> > > > > > > > > > > > >                                 backbone thanks to a bond of interfaces
> > > > > > > > > > > > >                                 (LACP). The traffic on the LACP must be
> > > > > > > > > > > > >                                 a VLAN trunk.
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 I see a strange behaviour and it is
> > > > > > > > > > > > >                                 certainly due to how I configure it.
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 If I put the
> > > > > > > > > > > > >                                 2                                                                
> > > > > > > > > > > > >                                 vlans (11-12) on the all interfaces
> > > > > > > > > > > > >                                 taking part on the LACP, it does not
> > > > > > > > > > > > >                                 work.
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > > If                                                                 I put
> > > > > > > > > > > > >                                 the 1 vlan only on each interface of the
> > > > > > > > > > > > >                                 taking part on the LACP,
> > > > > > > > > > > > >                                 it                                                                
> > > > > > > > > > > > >                                 works. But in this case the traffic
> > > > > > > > > > > > >                                 should not be well shared between the
> > > > > > > > > > > > >                                 LACP links.
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 I suspect I implement this use case not
> > > > > > > > > > > > >                                 appropriately (see configuration
> > > > > > > > > > > > >                                 attached + picture). Any suggestion?
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 Regards
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 Xavier
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 -- 
> > > > > > > > > > > > >                                 Xavier JEANNIN
> > > > > > > > > > > > >                                 
> > > > > > > > > > > > >                                 Network Dpt.
> > > > > > > > > > > > >                                 
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> > > > > > > > > > > >                               Xavier JEANNIN
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> > > > > > > > >                         Xavier JEANNIN
> > > > > > > > >                         
> > > > > > > > >                         Network Dpt.
> > > > > > > > >                         
> > > > > > > > >                         GN4-3 Network technology evolution (WP6 T1) task
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> > > > >                 -- 
> > > > >                 Xavier JEANNIN
> > > > >                 
> > > > >                 Network Dpt.
> > > > >                 
> > > > >                 GN4-3 Network technology evolution (WP6 T1) task leader
> > > > >                 
> > > > >                 T     l. : +33 1 5394 2042
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> > > >             
> > >             -- 
> > >             Xavier JEANNIN
> > >             
> > >             Network Dpt.
> > >             
> > >             GN4-3 Network technology evolution (WP6 T1) task leader
> > >             
> > >             T   l. : +33 1 5394 2042
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> > >             Mob. : +33 6 3017 0963
> > >             
> > >             www.renater.fr
> > >             
> > >             
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> >         
>         -- 
>         Xavier JEANNIN
>         
>         Network Dpt.
>         
>         GN4-3 Network technology evolution (WP6 T1) task leader
>         
>         T  l. : +33 1 5394 2042
>         
>         Mob. : +33 6 3017 0963
>         
>         www.renater.fr
>         
>         
>       
    
-- 
Xavier JEANNIN
Network Dpt.
GN4-3 Network technology evolution (WP6 T1) task leader
Tél. : +33 1 5394 2042
Mob. : +33 6 3017 0963
www.renater.fr