08.02.2021, 14:33, "Marek Zarychta" <zarych...@plan-b.pwste.edu.pl>:
> W dniu 08.02.2021 o 13:10, mike tancsa pisze:
>> I have been setting up some tests to see if
>>
>> option FIB_ALGO and dpdk_lpm4.ko
>>
>> will help with my pkt forwarding needs and large routing tables. So far so
>> good. But one thing I noticed, is that its very chatty to dmesg.
>> eg
>> alloc_nhgrp: new mpath group: num_nhops: 2
>> compile_nhgrp: O: 2/2
>> compile_nhgrp: OO[0]: 1/1 curr=1 slot_idx=0
>> compile_nhgrp: OO[1]: 0/0 curr=1 slot_idx=1
>> alloc_nhgrp: new mpath group: num_nhops: 2
>> compile_nhgrp: O: 2/2
>> compile_nhgrp: OO[0]: 1/1 curr=1 slot_idx=0
>> compile_nhgrp: OO[1]: 0/0 curr=1 slot_idx=1
>> alloc_nhgrp: new mpath group: num_nhops: 2
>> compile_nhgrp: O: 2/2
>> compile_nhgrp: OO[0]: 1/1 curr=1 slot_idx=0
>> compile_nhgrp: OO[1]: 0/0 curr=1 slot_idx=1
>>
>> are these debugging messages that forgot to be turned off ? What do they
>> mean ?
>> Thanks for this work!
>>
>> 13.0-STABLE #11 stable/13-cc1352c1f-dirty
>
> Thank you for sharing this Mike. Could you please reveal us how do you
> feed your routing tables? Is net/bird{,2} or net/frr7 involved? Any
> problems or hints to make the routing daemon working with new routing stack?
Non-multipath should work as before, multipath works for quagga/frr but needs
some patches for bird.
>
> The new routing stack looks very promising, please let me also give this
> way some appreciations to melifaro@ and other people who worked on it.
>
> I was also trying to test it with legacy net/bird and multiple fib
> tables, but I was early hit by: "KRT: Error sending route x.x.x.x/y to
> kernel: Operation not supported"
Any chance you could clarify what are these routes? "Operation not supported"
looks a bit weird, it shouln't happen.
> Setting net.add_net.add_addr_allfibs=1addr_allfibs=1 changed it a bit,
> but still some blackhole /32 routes seem to get rejected.
Just "blackhole" route in the bird config? /32 or all?
>
> --
> Marek Zarychta
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