This page has compiled community guides from several network operators. Looks like a good resource.
https://onestep.net/communities/ Gaël On Thu 22 Jan 2026 at 22:08, John Fraizer via NANOG <[email protected]> wrote: > Read RFC1997 and RFC1998 for more info n depth understanding of communities > and their value/use. > > -- > John Fraizer > LinkedIn profile: http://www.linkedin.com/in/johnfraizer/ > > > > > On Thu, Jan 22, 2026 at 5:02 PM William Herrin via NANOG < > [email protected]> wrote: > > > On Thu, Jan 22, 2026 at 1:55 PM Ronan Pigott <[email protected]> wrote: > > > IIUC, a "route map" is a configuration local to the BGP router. So, an > > > operator may make some decision about the meaning of a community and > then > > > attach it to routes advertised to their peers, but no peer can > reasonably > > > act on the community information without understanding the meaning > > intended > > > by the owner, right? > > > > Correct. > > > > > So if I operated a network and my BGP peer advertises > > > routes that belong to a bunch of communities, how can I possibly learn > > the > > > intended meaning of those communities to configure a sensible route map > > for > > > my router? > > > > You ask your peer. In some cases, the peer writes a web page which > > explains what their communities mean so that they can just say, "look > > at this web page." And then you have sites like bgp.tools which > > collect the information from the various web pages individual networks > > have published into a large database. > > > > Because the communities have arbitrary meanings, those meanings are > > communicated person to person, not machine to machine. > > > > Regards, > > Bill Herrin > > > > > > -- > > For hire. https://bill.herrin.us/resume/ > > _______________________________________________ > > NANOG mailing list > > > > > https://lists.nanog.org/archives/list/[email protected]/message/IAFKURAFB3FOWBUO4IHQEUILNESW5MO7/ > _______________________________________________ > NANOG mailing list > > https://lists.nanog.org/archives/list/[email protected]/message/N544SMULMOSTOGWNZWOSLWMM7QCOMZFJ/ _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/2KTFDYOEQOENNDASEQVAORA7SS4FRJAJ/
