[c-nsp] SR-TE
dip
diptanshu.singh at gmail.com
Thu Sep 17 16:41:09 EDT 2020
It's been almost 4 yrs since I looked at SR-TE. How are you mapping traffic
to your SR-TE tunnels? Like "auto-route announce"?
On Thu, Sep 17, 2020 at 1:34 PM <aaron1 at gvtc.com> wrote:
> Anyone have ideas why I can't seem to get traffic to flow via this SR-TE
> path? I have configs if you would like to see them.
>
>
>
> Seems that the BSID (100) is in the LFIB but I'm not seeing traffic through
> it. Also the traceroute on the r10 ce still shows flowing via the dynamic
> vanilla SR path via r21. I'd like to have the SR-TE path carry the
> customer
> traffic via r24----r23
>
>
>
>
>
> RP/0/0/CPU0:r20#sh mpls for
>
> Thu Sep 17 15:14:28.224 CST
>
> Local Outgoing Prefix Outgoing Next Hop Bytes
>
>
> Label Label or ID Interface Switched
>
>
> ------ ----------- ------------------ ------------ ---------------
> ------------
>
> 100 Pop No ID my-srte-poli point2point 0
>
>
> 16022 16022 SR Pfx (idx 22) Gi0/0/0/0 10.20.1.2 3864764
>
>
> 16024 Pop SR Pfx (idx 24) Gi0/0/0/1 10.20.1.21 0
>
>
> 24000 Pop SR Adj (idx 0) Gi0/0/0/0 10.20.1.2 0
>
>
> 24001 Pop SR Adj (idx 0) Gi0/0/0/1 10.20.1.21 0
>
>
> 24002 Aggregate one: Per-VRF Aggr[V] \
>
>
>
> one
> 2895172236
>
>
>
> RP/0/0/CPU0:r20#sh segment-routing traffic-eng policy
>
> Thu Sep 17 15:14:33.523 CST
>
>
>
> SR-TE policy database
>
> ---------------------
>
>
>
> Name: my-srte-policy (Color: 1, End-point: 10.20.0.22)
>
> Status:
>
> Admin: up Operational: up for 00:00:16 (since Sep 17 15:14:17.095)
>
> Candidate-paths:
>
> Preference 1:
>
> Explicit: segment-list my-srte-sidlist-1 (active)
>
> Weight: 0
>
> 16024
>
> 24002
>
> 16022
>
> Attributes:
>
> Binding SID: 100
>
> Allocation mode: explicit
>
> State: programmed
>
> Policy selected: yes
>
> Forward Class: 0
>
>
>
>
>
> r10 r30
>
> | |
>
> | |
>
> r20-----r21-----r22
>
> | |
>
> | |
>
> r24-------------r23
>
>
>
> r10 and r30 are ce's
>
>
>
>
>
>
>
>
>
> Aaron
>
> aaron1 at gvtc.com
>
>
>
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