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[Tomasz Szewczyk <>]

Thanks!!!
I just added bridge basing on
http://docs.freertr.org/guides/recipes/vrf/

For Xavier I'm now testing raw L2 switching - next he can decide if we 
extend some tests with xc.

Now performance is perfect :-)

br
Tomek

W dniu 04.08.2022 o 12:01, mc36 pisze:
> hi,
>
> POZ0001#show config-differences
> server p4lang p4
>  export-bridge 10
>  exit
>
> POZ0001#
>
>
> btw, recently we added a patch-panel mode, which is, a local 
> cross-connect between local (sub)interfaces...
> this one is control-plane-less, that is, no mac learning at all... 
> specifically for xavier use case...
> wouldn't you try that one instead?
> the config knob in freerouter is connect xyz / side1 / side2 ...
> but the dataplane needs to be recompiled with it enabled....
>
>
>
>
> explanation for the config change:
>
> this is what programmed to the hardware:
>
> bfrt.bf_router_RENATER_PEERING_L2.pipe.ig_ctl.ig_ctl_bridge> dump
> -----------------------------------------------------------> dump()
> ----- tbl_bridge_target Dump Start -----
> Default Entry:
> Entry data (action : ig_ctl.ig_ctl_bridge.act_bridge_punt):
>     $COUNTER_SPEC_BYTES            : 0
>     $COUNTER_SPEC_PKTS             : 0
>
> Table pipe.ig_ctl.ig_ctl_bridge.tbl_bridge_target has no entries.
> ----- tbl_bridge_target Dump End -----
>
> ----- tbl_bridge_learn Dump Start -----
> Default Entry:
> Entry data (action : ig_ctl.ig_ctl_bridge.act_bridge_miss):
>     $COUNTER_SPEC_BYTES            : 22433221299440
>     $COUNTER_SPEC_PKTS             : 175259113004
>
> Table pipe.ig_ctl.ig_ctl_bridge.tbl_bridge_learn has no entries.
> ----- tbl_bridge_learn Dump End -----
>
>
> bfrt.bf_router_RENATER_PEERING_L2.pipe.ig_ctl.ig_ctl_bridge>
>
>
>
> that is, nothing... you missed the export-bridge knob:
>
>
>
> after the above mentioned config, this is what we get:
>
> bfrt.bf_router_RENATER_PEERING_L2.pipe.ig_ctl.ig_ctl_bridge> dump
> -----------------------------------------------------------> dump()
> ----- tbl_bridge_target Dump Start -----
> Default Entry:
> Entry data (action : ig_ctl.ig_ctl_bridge.act_bridge_punt):
>     $COUNTER_SPEC_BYTES            : 39708897904
>     $COUNTER_SPEC_PKTS             : 310224308
>
> Entry 0:
> Entry key:
>     hdr.ethernet.dst_mac_addr      : 0x001094000003
>     ig_md.bridge_id                : 0x000A
> Entry data (action : ig_ctl.ig_ctl_bridge.act_set_bridge_out):
>     port                           : 0x030
>     $COUNTER_SPEC_BYTES            : 0
>     $COUNTER_SPEC_PKTS             : 0
>
> ----- tbl_bridge_target Dump End -----
>
> ----- tbl_bridge_learn Dump Start -----
> Default Entry:
> Entry data (action : ig_ctl.ig_ctl_bridge.act_bridge_miss):
>     $COUNTER_SPEC_BYTES            : 22524069163312
>     $COUNTER_SPEC_PKTS             : 175968858741
>
> Entry 0:
> Entry key:
>     hdr.ethernet.src_mac_addr      : 0x001094000003
>     ig_md.bridge_id                : 0x000A
> Entry data (action : ig_ctl.ig_ctl_bridge.act_set_bridge_port):
>     $COUNTER_SPEC_BYTES            : 39546125312
>     $COUNTER_SPEC_PKTS             : 308952654
>
> ----- tbl_bridge_learn Dump End -----
>
>
> bfrt.bf_router_RENATER_PEERING_L2.pipe.ig_ctl.ig_ctl_bridge>
>
>
>
> br,
> cs
>
>
>
>
>
> On 8/4/22 11:47, Tomasz Szewczyk wrote:
> > Hi,
> >
> > I'm sorry for bothering you but I have tricky problem.
> >
> > I have bridge 10 on 3 interfaces (sdn4, 6 and 7) with mac-learn:
> > POZ0001#sh br 10
> > packet byte
> > iface                     fwd         phys tx 
> > rx                                 drop     tx 
> > rx                                         drop     grp
> > brprt bvi
> > sdn4                         true     true     115972138 
> > 137657118     0                 12988879456 15417597216     0
> > sdn6                         true     true     115933307 
> > 139375186     0                 12984530384 15610020832     0
> > sdn7                         true     true     277032305 
> > 12                                 0                 31027618272 
> > 1344                                 0
> >
> >
> > packet byte
> > addr                                             iface static     
> > time                     tx rx                                 drop 
> > tx rx                                         drop
> > 0010.9400.0003     sdn6         false         00:00:23 
> > 6                             139375204     0 
> > 672                             15610022960     0
> > 0010.9400.0004     sdn7         false         00:01:23 3844264     
> > 6                                     0 430557568     
> > 672                                     0
> > 0010.9400.0005     sdn4         false         00:00:23 
> > 0                             137657118     0 
> > 0                                     15417597216     0
> >
> > When I'm sending traffic to MAC 0010.9400.0004 it looks like the 
> > traffic is switched like broadcast - or with broadcast like 
> > performance - 8Mpps TX but just ~70k pps on egress.
> >
> > How I can debug that?
> >
> > br
> > Tomek

--
Tomasz Szewczyk
Poznańskie Centrum Superkomputerowo Sieciowe :: Pion Technologii Sieciowych
Poznan Supercomputing and Networking Center :: Network Technology Division
tel: +48 61 858 2040

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