[j-nsp] vRR/L3VPN/Unusable

[Ivan Ivanov]

Hi Jason.

Do you have 'family mpls' configured for the vRR interfaces? Although the
RR is out of band you need that family configured on the RR interface.

Ivan,

On Wed, Sep 12, 2018 at 12:10 PM Jason Lixfeld <jason-jnsp at lixfeld.ca>
wrote:

> Hi all,
>
> Trying to learn more about JunOS, I’m playing around with a vRR instance
> (18.2R1-S1.5), and I haven’t been able to get something sorted.
>
> This vRR instance is running as an out-of-band RR for a few LDP enabled
> PEs.  vRR is not running LDP so inet.3 is empty, but as far as I
> understand, any one of the two routing-options knobs configured below
> should be enough to provide for the prefixes in bgp.l3vpn.0 to be able to
> resolve their respective next-hops and bring the routes in the table out of
> hidden to active.  However that’s not happening.
>
> jlixfeld at rr01# show routing-options | display set | match rib
> set routing-options rib inet.3 static route 0.0.0.0/0 discard
> set routing-options resolution rib bgp.l3vpn.0 resolution-ribs inet.0
>
> [edit]
> jlixfeld at rr01# run show route table bgp.l3vpn.0 9.9.9.9/32 detail hidden
>
> bgp.l3vpn.0: 29 destinations, 49 routes (0 active, 0 holddown, 49 hidden)
> 12345:4:9.9.9.9/32 (1 entry, 0 announced)
>          BGP    Preference: 170/-391
>                 Route Distinguisher: 12345:4
>                 Next hop type: Unusable, Next hop index: 0
>                 Address: 0x27b17bc
>                 Next-hop reference count: 53
>                 State: <Hidden Int Ext ProtectionPath ProtectionCand>
>                 Local AS: 12345 Peer AS: 12345
>                 Age: 1:52:31    Metric: 0
>                 Validation State: unverified
>                 Task: BGP_12345.10.15.48.11+179
>                 AS path: 11670 ?
>                 Communities: 12345:2000 12345:2010 target:12345:4
>                 Accepted
>                 VPN Label: 217
>                 Localpref: 390
>                 Router ID: 10.15.48.11
>
> [edit]
> jlixfeld at rr01# run show route table inet.0 10.15.48.11
>
> inet.0: 10 destinations, 10 routes (10 active, 0 holddown, 0 hidden)
> + = Active Route, - = Last Active, * = Both
>
> 10.15.48.11/32     *[IS-IS/18] 01:51:14, metric 30
>                     > to 10.15.49.67 via em1.0
>
> [edit]
> jlixfeld at rr01#
>
> Is there something less obvious that needs to happen before one of those
> two knobs above will work?
>
> FWIW, I haven’t played around with enabling LDP here, or configuring RIB
> groups because I’m not really interested in exploring those as solutions if
> I can help it; they seem a little too heavy handed when the aforementioned
> two knobs should probably work fine?
>
> Thanks in advance!
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>


-- 
Best Regards!

Ivan Ivanov