route-set members
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Andrei Robachevsky
andrei at ripe.net
Thu May 17 15:42:37 CEST 2001
Dear Frank, Frank Bohnsack wrote: > > Dear Colleagues, > > I have a simple question about route-set objects. > > <--RFC2622--> > ... > 5.2 route-set Class > > The attributes of the route-set class are shown in Figure 12. The > route-set attribute defines the name of the set. It is an RPSL name > that starts with "rs-". The members attribute lists the members of > the set. The members attribute is a list of address prefixes or > other route-set names. Note that, the route-set class is a set of > route prefixes, not of RPSL route objects. > ... > </--RFC2622--> > > 1/ What is the reason that a route-set member can not be > an aut-num or as-set object ? > Indeed, though RFC2622 allows only address prefixes, several registries, including the RIPE Database, allow aut-num and as-set to be part of the "members:" attribute. RAToolset uses this information to expand such members into route objects (=> prefixes), whose origins are presented by aut-num's and as-set's. > Because some registries allow this: > > route-set: RS-AS101-TO-ABILENE > descr: routes that Abilene should accept from AS101 > members: AS73, AS11808, AS7774, AS3807, AS13476, AS11995, > AS14077, AS13476, AS11964, AS11827, > 131.107.151.0/24, 131.252.0.0/16, 134.39.60.0/24, > 161.55.0.0/16, 168.156.80.0/20, 168.156.96.0/19, > 192.35.180.0/24, 192.46.80.0/24, 198.107.144.0/21, > 198.32.40.0/24 > admin-c: UW-NOC > tech-c: UW-NOC > mnt-by: MAINT-AS73 > changed: aracine at cac.washington.edu 20010426 > source: RADB > > 2/ Means the last phrase that there are no necessary is > to existence of a related route object ? > Yes, "members:" attribute lists prefixes that may not correspond to the existing rote objects. To make a route object a member of a set there is another mechanism - to include them by reference ("mbrs-by-ref:" attribute). > > cheers > frank Regards, Andrei -- Andrei Robachevsky DB Group Manager RIPE NCC
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