Yes, i have. This is a problem? BGP don't avoid loops automatically finding it own ASN in AS PATH?
Em dom, 2 de set de 2018 03:27, Maria Jan Matějka <[email protected]> escreveu: > > > Now there is one route originated from R. > > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR: Got UPDATE > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR > added [best] 10.3.1.0/24 > >> > unicast > >> > 2018-09-01 21:21:08.000 <TRACE> kernel1 < replaced 10.3.1.0/24 > >unicast > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR < rejected by protocol > >> > 10.3.1.0/24 > >> > unicast > >> > 2018-09-01 21:21:08.000 <TRACE> R8 < replaced 10.3.1.0/24 unicast > >> > 2018-09-01 21:21:08.000 <TRACE> R8: Sending UPDATE > > Here S added better route and it was propagated to kernel and R. S doesn't > send it back. > > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR: Got UPDATE > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR > removed [replaced] > >> > 10.3.1.0/24 > >> > unicast > >> > 2018-09-01 21:21:08.000 <TRACE> kernel1 < replaced 10.3.1.0/24 > >unicast > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR < added 10.3.1.0/24 unicast > >> > 2018-09-01 21:21:08.000 <TRACE> R8 < rejected by protocol > >10.3.1.0/24 > >> > unicast > >> > 2018-09-01 21:21:08.000 <TRACE> R8 < removed 10.3.1.0/24 unicast > >> > 2018-09-01 21:21:08.000 <TRACE> SDNRTR: Sending UPDATE > >> > 2018-09-01 21:21:08.000 <TRACE> R8: Sending UPDATE > > Here S sent another route (replacing its previous one) which came out > worse even than the previous from R. So the R's route is announced to S and > withdraw to R. > > >> > 2018-09-01 21:21:08.001 <TRACE> R8: Got UPDATE > >> > 2018-09-01 21:21:08.001 <TRACE> R8 > removed [sole] 10.3.1.0/24 > >> > unicast > >> > 2018-09-01 21:21:08.001 <TRACE> kernel1 < removed 10.3.1.0/24 > >unicast > >> > 2018-09-01 21:21:08.001 <TRACE> SDNRTR < removed 10.3.1.0/24 > >unicast > >> > 2018-09-01 21:21:08.001 <TRACE> SDNRTR: Sending UPDATE > > R8 withdraws its route. > > >> > 2018-09-01 21:21:08.001 <TRACE> R8: Got UPDATE > >> > 2018-09-01 21:21:08.001 <TRACE> R8 > added [best] 10.3.1.0/24 > >unicast > >> > 2018-09-01 21:21:08.001 <TRACE> kernel1 < added 10.3.1.0/24 unicast > >> > 2018-09-01 21:21:08.001 <TRACE> SDNRTR < added 10.3.1.0/24 unicast > >> > 2018-09-01 21:21:08.001 <TRACE> R8 < rejected by protocol > >10.3.1.0/24 > > R8 sends a route and BIRD sends update to S. > > Everything in the log is OK, just the peers (R and S) are doing quite > strange things. Don't you have loops in your routing? > > Maria >
