[j-nsp] vRR/L3VPN/Unusable

[Jason Lixfeld]

Hi Ivan,

I did not, and that did indeed fix it.  I don’t understand why it’s necessary so that’ll be my next read.

Thanks!

> On Sep 12, 2018, at 7:22 AM, Ivan Ivanov <ivanov.ivan at gmail.com> wrote:
> 
> 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 <mailto: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 <http://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 <http://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 <http://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 <http://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