I believe you need to add the communities either on the import policy which pulls in the direct route or the export policy to the neighbor(s) you want to feed the communities to.
Owen > On Oct 15, 2023, at 05:51, Jason R. Rokeach via NANOG <[email protected]> wrote: > > Hi Stanislav, > I believe this is what you are looking for: > > [edit] > jcluser@Lothlorien-MX1# show | compare > [edit interfaces lo0 unit 0 family inet] > address 10.0.0.0/32 { ... } > + address 5.5.5.5/32; > [edit protocols bgp] > - export IPV4-STATIC; > + export [ IPV4-STATIC TAG-DIRECT ]; > [edit policy-options] > + policy-statement TAG-DIRECT { > + from { > + protocol direct; > + route-filter 5.5.5.5/32 exact; > + } > + then { > + community set MYCOMMUNITY; > + accept; > + } > + } > [edit policy-options] > + community MYCOMMUNITY members 5:5; > > [edit] > jcluser@Lothlorien-MX1# commit > commit complete > > [edit] > jcluser@Lothlorien-MX1# run show route advertising-protocol bgp 172.19.0.2 > detail | find 5.5.5.5 > * 5.5.5.5/32 (1 entry, 1 announced) > BGP group RR-LOADBALANCER type External > Nexthop: Self > AS path: [65000] I > Communities: 5:5 > > Regards, > Jason R. Rokeach > > > ------- Original Message ------- >> On Sunday, October 15th, 2023 at 8:29 AM, Saku Ytti - saku at ytti.fi >> <[email protected]> wrote: >> >> >> Unfortunately not yet, as far as I know. Long time ago I gave this to >> my account team >> >> Title: Direct routes must support tag and or community >> Platform: Trio, priority MX80, MPC2 >> JunOS: 12.4Rx >> Command: 'set interfaxe ge-4/2.0 family inet address 10.42.42.1/24 >> tag|community X' >> JTAC: n/a >> ER: >> - Router must be able to add tags communities to direct routes directly, like >> it does for static routes >> >> Usage Case: >> Trivial way to signal route information to BGP. Often tag/community is used >> by service providers to singal 'this is PI/PA prefix, leak it to internet' or >> 'this is backup route, reduce its MED'. However for some reason it is only >> supported for static routes, while usage scenario and benefits are exactly >> the >> same for direct routes. >> >> On Sun, 15 Oct 2023 at 15:27, Stanislav Datskevych via NANOG >> [email protected] wrote: >> >>> Dear all, >>> >>> Is there a way to add BGP communities on direct (interface) routes in >>> Junipers? The task looks to be simple but the solution eludes me. >>> In Cisco/Arista, for example, I could use "network 192.0.2.0/24 route-map >>> <SOME_MAP_THAT_ADDS_COMMUNITIES>". >>> >>> In Juniper it seems to be impossible. I even tried putting interface-routes >>> into rib-group with an import policy. >>> But it seems the import policy only works on importing routes into >>> Secondary routing tables (e.g. inet.50), and not into the Primary one >>> (inet.0). >>> >>> I know it's possible to add communities on later stage while announcing >>> networks to peers, in [protocols bgp group <name> export]. But I'd better >>> slap the community on the routes right when they're imported into RIB, not >>> when they announced to peers. >>> >>> Thanks in advance. >> >> >> >> -- >> ++ytti >
