[c-nsp] MPLS TE Load Balancing

[Xu Hu]

Can share your configuration? Recently I was also configuring the MPLS TE in asr9k.

Thanks and regards,
Xu Hu

On 30 Mar, 2012, at 8:28, omar parihuana <omar.parihuana at gmail.com> wrote:

> Hi Group,
> 
> I'm wondering about a strange behaviour about MPLS TE on ASR9K
> 
> I have two MPLS TE tunnels (with autoroute announce):
> 
> RP/0/RSP0/CPU0:9K6-413#show route 10.100.100.7
> Thu Mar 29 23:09:49.818 UTC
> 
> Routing entry for 10.100.100.7/32
>  Known via "isis BACKBONE", distance 115, metric 140, type level-2
>  Installed Mar 29 22:58:29.392 for 00:11:20
>  Routing Descriptor Blocks
>    10.100.100.2, from 10.100.100.7, via tunnel-te502
>      Route metric is 140
>    10.100.100.3, from 10.100.100.7, via tunnel-te501
>      Route metric is 140
>  No advertising protos.
> RP/0/RSP0/CPU0:9K6-413#
> 
> In accordance to RIB output I was hopping that traffic to 10.100.100.7 be
> balanced between both tunnels... however I only see traffic over the first
> tunnel...
> 
> 
> RP/0/RSP0/CPU0:9K6-413#show mpls forwarding prefix 10.100.100.7/32 detail
> Thu Mar 29 23:05:13.320 UTC
> Local  Outgoing    Prefix             Outgoing     Next Hop
> Bytes
> Label  Label       or ID              Interface
> Switched
> ------ ----------- ------------------ ------------ ---------------
> ------------
> 16012  16014       10.100.100.7/32    tt502        10.100.100.2
> 24438881830
>     Updated Mar 29 22:58:29.416
>     MAC/Encaps: 14/18, MTU: 9180
>     Label Stack (Top -> Bottom): { Imp-Null 16014 }
>     Packets Switched: 100987115
> 
>       16018       10.100.100.7/32    tt501        10.100.100.3
> 0
>     Updated Mar 29 22:58:29.416
>     MAC/Encaps: 14/22, MTU: 9180
>     Label Stack (Top -> Bottom): { 16020 Imp-Null 16018 }
>     Packets Switched: 0
> 
> 
> What's happening? why not load balancing ? do i need a additional conf on
> ASR9K in order to accomplish MPLS TE load balancing?
> 
> 
> Thank you for your answer...
> 
> Rgds.
> 
> 
> -- 
> Omar E.P.T
> -----------------
> Certified Networking Professionals make better Connections!
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