This reminds me of a meme... https://img-comment-fun.9cache.com/media/ay9BKnV/aWlGMBgm_700w_0.jpg
Em qua., 26 de jul. de 2023 às 20:54, Ondrej Zajicek <[email protected]> escreveu: > On Thu, Jul 20, 2023 at 08:25:24PM +0800, Brandon Zhi wrote: > > Hi all, > > > > I was doing research about selecting the best route on multiple nodes > based > > on bgp_med attributes. > > > > > > My idea is to add bgp_med value between each node based on ping, and then > > bird will select the route which has the lowest bgp_med value (which is > the > > total ping delay) > > > > But some routes will be filled, which i don't want it. > > > > I found that the code " bgp_med = bgp_med + bgp_med_ping + bgp_med_ping;" > > will cause some routes to be filtered. > > > > Can someone tell me why? I only want to modify bgp_med and don't want my > > routes to be filtered. > > Hi > > Perhaps there are some error in logs about filter failures? I guess that > when bgp_med is not defined, then expression 'bgp_med + X' fails. > > You could try something like: > > if (defined(bgp_med)) > bgp_med = bgp_med + X; > else > bgp_med = X; > > > And perhaps even better than use bgp_med for this is to use bgp_aigp > attribute and associated BGP options (aigp, cost). > > -- > Elen sila lumenn' omentielvo > > Ondrej 'Santiago' Zajicek (email: [email protected]) > OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) > "To err is human -- to blame it on a computer is even more so." > -- Douglas Fernando Fischer Engº de Controle e Automação
