making ifconfig eth* down in the interface of H3, on H2 and H4 it relevated this in the log: 2018-05-17 16:26:38.462 <TRACE> kernel1 < interface h1_1-eth2 changes link 2018-05-17 16:26:38.462 <TRACE> direct1 < interface h1_1-eth2 changes link 2018-05-17 16:26:38.462 <TRACE> h2_2_h3_3: Link down 2018-05-17 16:26:38.462 <TRACE> h2_2_h3_3: State changed to stop 2018-05-17 16:26:38.462 <TRACE> h2_2_h3_3: BGP session closed 2018-05-17 16:26:38.462 <TRACE> h2_2_h3_3 > removed [sole] 100.1.2.0/24 unicast 2018-05-17 16:26:38.462 <TRACE> kernel1 < removed 100.1.2.0/24 unicast 2018-05-17 16:26:38.462 <TRACE> h2_2_h1_1 < removed 100.1.2.0/24 unicast 2018-05-17 16:26:38.462 <TRACE> h2_2_h3_3: Sending NOTIFICATION(code=6.0) 2018-05-17 16:26:38.463 <TRACE> h2_2_h1_1: Sending UPDATE 2018-05-17 16:26:38.463 <TRACE> h2_2_h3_3: Down it learn istantly that the link now is down, how can i do this without losing the link? Mattia 2018-05-17 15:58 GMT+02:00 Mattia Milani <mattia.milani@studenti.unitn.it>:
They may also have crashed (which would be bad). Try running the Birds in
debug mode (don't remember the flag, see bird --help) and collecting their exit value.
I used the command bird -c *confFile* -s *socketFile* -D *debugFile* in the conf file I inserted:
debug protocols all; debug commands 2;
but i didn't see anything in the debug file i setted, (i need to recompile bird with some option?)
Yes. Try it.
now i'm trying this
Mattia