Hi Benedikt, I am just learning Bird and I didn't want to use the Direct protocol because using it I have two same routes in the RIB for the directly connected networks, one coming from the kernel and the second one coming from the direct protocol.
Il giorno lun 23 mar 2020 alle ore 16:01 Fabiano D'Agostino < [email protected]> ha scritto: > Hi Benedikt, > I am just learning Bird and I didn't want to use the Direct protocol > because using it I have two same routes in the RIB for the directly > connected networks, one coming from the kernel and the second one coming > from the direct protocol. > > Il giorno lun 23 mar 2020 alle ore 15:38 Benedikt Neuffer < > [email protected]> ha scritto: > >> Hi Fabiano, >> >> that should be the reason. The TCP connection is done via RIB (kernel >> routing table). In FIB (birds internal table) the route is currently >> missing. >> If you enable the direct protocol a route for 192.168.2.22 will be >> appear in the FIB and the nexthop resolution will work. >> >> Is there a reason why you don't want to use the direct protocol? >> >> Regards, >> Benedikt >> >> On 23.03.20 14:46, Fabiano D'Agostino wrote: >> > Hi, >> > thanks for helping, >> > I did show route for 192.168.2.22 (which is my neighbor) table all all >> > --> I get Network not found. >> > show protocols: bgp established >> > show protocol all bgp1: 0 imported, 0 exported >> > >> > >> > Il giorno lun 23 mar 2020 alle ore 14:18 Benedikt Neuffer >> > <[email protected] <mailto:[email protected]>> ha >> scritto: >> > >> > Hi Fabio, >> > >> > so the routes are in FIB (kernel) but maybe not in RIB (bird).bb >> > >> > Can you provide me the output of "show route for <prefix> table all >> all" >> > where <prefix> should be the prefix configured on the connection or >> the >> > ip address of the neighbor. >> > >> > Regards, >> > Bene >> > >> > On 23.03.20 12:43, Fabiano D'Agostino wrote: >> > > Hi Benedikt, >> > > the nexthop is resolvable, indeed router1 can ping router2'nic in >> the >> > > same network of router1, with direct protocol disabled. The >> > scenario is: >> > > PCa - R1 - R2 - PCb >> > > With direct protocol enabled and bgp working: PCa can ping PCb >> > > With direct protocol disabled and bgp working: PCa can't ping PCb >> > > >> > > >> > > Il giorno lun 23 mar 2020 alle ore 12:26 Benedikt Neuffer >> > > <[email protected] <mailto:[email protected]> >> > <mailto:[email protected] <mailto:[email protected] >> >>> >> > ha scritto: >> > > >> > > Hi Fabio, >> > > >> > > the BGP nexthop field must be resolvable. In other words there >> > must be a >> > > route to the neighbor in RIB. >> > > >> > > Regards, >> > > Bene >> > > >> > > >> > > On 23.03.20 12:05, Fabiano D'Agostino wrote: >> > > > Hi all, >> > > > why if I disable the direct protocol the BGP routes are not >> > > > imported/exported? If I run show route, it is empty, while >> > if I enable >> > > > the direct protocol show route has directly connected >> routes and >> > > BGP routes. >> > > > My configuration is very easy, two routers make a eBGP >> > peering and >> > > they >> > > > import and export all routes. I am using Bird 2.0.7. >> > > > >> > > > Thanks, >> > > > >> > > > Fabiano >> > > >> > > >> > > -- >> > > Karlsruher Institut für Technologie (KIT) >> > > Steinbuch Centre for Computing (SCC) >> > > >> > > Benedikt Neuffer >> > > Netze und Telekommunikation (NET) >> > > >> > > Hermann-von-Helmholtz-Platz 1 >> > > Gebäude 442 >> > > Raum 185 >> > > 76344 Eggenstein-Leopoldshafen >> > > >> > > Telefon: +49 721 608-24502 >> > > Fax: +49 721 608-47763 >> > > E-Mail: [email protected] >> > <mailto:[email protected]> <mailto:[email protected] >> > <mailto:[email protected]>> >> > > Web: https://www.scc.kit.edu >> > > >> > > >> > > >> > > Sitz der Körperschaft: >> > > Kaiserstraße 12, 76131 Karlsruhe >> > > >> > > >> > > >> > > KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft >> > > >> > > >> > > >> > > Signaturversion: 19.1.0 beta >> > > >> > >> > >> > -- >> > Karlsruher Institut für Technologie (KIT) >> > Steinbuch Centre for Computing (SCC) >> > >> > Benedikt Neuffer >> > Netze und Telekommunikation (NET) >> > >> > Hermann-von-Helmholtz-Platz 1 >> > Gebäude 442 >> > Raum 185 >> > 76344 Eggenstein-Leopoldshafen >> > >> > Telefon: +49 721 608-24502 >> > Fax: +49 721 608-47763 >> > E-Mail: [email protected] <mailto:[email protected]> >> > Web: https://www.scc.kit.edu >> > >> > >> > >> > Sitz der Körperschaft: >> > Kaiserstraße 12, 76131 Karlsruhe >> > >> > >> > >> > KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft >> > >> > >> > >> > Signaturversion: 19.1.0 beta >> > >> >> >> -- >> Karlsruher Institut für Technologie (KIT) >> Steinbuch Centre for Computing (SCC) >> >> Benedikt Neuffer >> Netze und Telekommunikation (NET) >> >> Hermann-von-Helmholtz-Platz 1 >> Gebäude 442 >> Raum 185 >> 76344 Eggenstein-Leopoldshafen >> >> Telefon: +49 721 608-24502 >> Fax: +49 721 608-47763 >> E-Mail: [email protected] >> Web: https://www.scc.kit.edu >> >> >> >> Sitz der Körperschaft: >> Kaiserstraße 12, 76131 Karlsruhe >> >> >> >> KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft >> >> >> >> Signaturversion: 19.1.0 beta >> >>
