On Sat, Jul 12, 2014 at 4:53 PM, Juliusz Chroboczek <[email protected]> wrote: >> 1) Does this also export the default route? (not what I want by default) >> >> redistribute ip 0.0.0.0/0 le 24 allow >> redistribute local deny > > Depends on how the DHCP server is installing the route. If it's using the > "boot" protocol, as it should, Babel will ignore it by default. In any > case, you can force ignoring the default route by adding the following > *before* the allow:
Openwrt at least, installs it static, not boot. I will look into what it will take to stop doing that. > redistribute ip 0.0.0.0/0 le 0 deny > >> 2) Will this correctly export the default route if I changed it to >> allow? If a box isn't a default gateway should I put in a specific >> deny or allow line? Or use eq as I just did? or? >> >> redistribute ip 0.0.0.0/0 eq 0 deny >> redistribute ip 0.0.0.0/0 le 24 allow >> redistribute local deny > > No. If the DHCP server is doing its job properly, it's marking its routes > with the protocol "boot", which is a hint to proper routing protocols to > ignore the route. > > Redistributing a DHCP route over a roting protocol is not robust network > design -- DHCP should be announcing routes derived from a routing protocol, > not the other way around. However, support for redistributing in the DHCP > to Babel direction was grudgingly added after enough users asked for the > feature (yeah, I know, I'm weak): > > redistribute ip 0.0.0.0/0 le 0 proto 3 allow The core case here is on a default gateway connected to the internet, which is rather a common one. > (When you don't mention a proto number, the redistribution is taken to > apply to all proto numbers except 3.) I get it. > -- Juliusz -- Dave Täht NSFW: https://w2.eff.org/Censorship/Internet_censorship_bills/russell_0296_indecent.article _______________________________________________ Babel-users mailing list [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/babel-users
