i had put every link on a /30 so the session between two peer have a different network address for every link.
Thanks a lot for the help :) 2018-03-07 18:23 GMT+01:00 Mattia Milani <mattia.mil...@studenti.unitn.it>: > yeah that's right i can't ping H2 from H0 but H0 know only H1 it didn't > try to reach H2 indeed when i try to ping H1.eth1 from H0.eth1 it works. > this nitht i will modify my program to have different networks an i will > notify you if it works. > > Another question, when it will be implemented Aggregation on BGP? have you > planed it? > > Thanks, Mattia > > 2018-03-07 17:59 GMT+01:00 Daniel Suchy <da...@danysek.cz>: > >> Hello, >> as Ondrej mentioned already, you have wrong basic network setup - you're >> using wrong network masks. H0 thinks, that all nodes (H1, H2, H3) ale in >> single directly-connected L2 network. >> >> To have BGP working, you need to have basic L3 connectivity working - >> that means, you must be able to ping each host (and this will not work >> in your setup). It's not a problem with Bird. >> >> With regards, >> Daniel >> >> >> On 03/07/2018 05:20 PM, Mattia Milani wrote: >> > all external interface of the peer belong to the same network, and the >> > address of the network is 10.0.0.0/8 <http://10.0.0.0/8> that is unic. >> > >> > sorry for the network picture, i noted after had sended the email that >> > it get mangled. >> > now i try to explain it more clearly >> > >> > H0 belong to AS2 and have the interface eth1 with the address >> 10.0.0.1/8 >> > <http://10.0.0.1/8> and it is connected with H1 >> > H1 belong to AS4 and have two interfaces: >> > -eth1 with the address 10.0.1.1/8 <http://10.0.1.1/8> that is >> > connected with H0.eth1 >> > -eth2 with the address 10.0.1.2/8 <http://10.0.1.2/8> that is >> > connected with H2.eth2 >> > H2 belong to AS3 and have two interfaces: >> > -eth1 with the address 10.0.2.1/8 <http://10.0.2.1/8> that is >> > connected with H3.eth1 >> > -eth2 with the address 10.0.2.2/8 <http://10.0.2.2/8> that is >> > connected with H1.eth2 >> > H3 belong to AS1 and have the interface eth1 with the address >> 10.0.3.1/8 >> > <http://10.0.3.1/8> and it is connected with H2 >> > >> > i hope that this way to explain the network is more clearly >> > >> > every interace is on the same network address so do you mean that every >> > bgp session between two peer need to have different network address? >> > >> > >> > >> > 2018-03-07 17:01 GMT+01:00 Ondrej Zajicek <santi...@crfreenet.org >> > <mailto:santi...@crfreenet.org>>: >> > >> > On Wed, Mar 07, 2018 at 04:45:55PM +0100, Mattia Milani wrote: >> > > yeah they are a /8, so bird doesn't support /8? >> > > now i'll try to modify them. >> > > >> > > but sorry, why bird doesn't support /8? >> > >> > BIRD of course supports /8 (and any other prefix lengths), but your >> > network setup have more networks with the same network prefix >> > (10.0.0.0/8 <http://10.0.0.0/8>), if i understand your network >> > picture correctly (it get >> > mangled in mail). Such network setup is not generally correct. >> > >> > -- >> > Elen sila lumenn' omentielvo >> > >> > Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org >> > <mailto:santi...@crfreenet.org>) >> > OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, >> > wwwkeys.pgp.net <http://wwwkeys.pgp.net>) >> > "To err is human -- to blame it on a computer is even more so." >> > >> > >> > >
