Hi, Just look at the docs: https://bird.network.cz/?get_doc&v=20&f=bird-6.html#ss6.14
On Wed, Apr 12, 2023, 23:57 Valery Lutoshkin <[email protected]> wrote: > Hi, > > I use Bird 2.0.9 to spread a special list of prefixes (about 100k) via BGP > to an unknown list of users (around 1k). > > The prefixes are supposed to be marked by different communities (6 right > now) and receivers should be able to filter them by those communities to > use only prefixes they want. > > > While only one community should be attached to the prefix, I use just 6 > different files with prefixes and attach the proper community in the import > processes like this: > > protocol static importbgp_1 { > > ipv4 { import filter {bgp_community.add((65000,1)); accept;}; }; > > include "/tmp/prefixes_1.txt"; > > } > > Lines in the prefixes_1 file look like this: > > route 1.3.7.7/32 unreachable; > > > But when I need to attach several communities to the prefixes, I have to > create 2^6=64 different static protocols and generate 64 different files. > > And for 8 communities I will have to create 256 protocols and files. > > > If I could add some marks to routes in the imported file, I would use > those marks in the import filter to attach communities to the prefix. > > > But if I’m not mistaken, there is no way of doing that. > > > If there is a different solution to this issue that I’m unaware of, would > you please let me know. > > > Best regards, > > Valery >
