[c-nsp] MPLS TE Load Balancing

Xu Hu jstuxuhu0816 at gmail.com
Thu Mar 29 20:48:42 EDT 2012


Check the load-share command under the tunnel configuration.

Thanks and regards,
Xu Hu

On 30 Mar, 2012, at 8:43, omar parihuana <omar.parihuana at gmail.com> wrote:

> RP/0/RSP0/CPU0:9K6-413#show run int tunnel-te 501
> Thu Mar 29 23:38:02.719 UTC
> interface tunnel-te501
>  ipv4 unnumbered Loopback0
>  load-interval 30
>  autoroute announce
>  !autoroute announce
>  destination 10.100.100.3
>  fast-reroute
>  path-option 10 explicit name 413-312
> !
> 
> RP/0/RSP0/CPU0:9K6-413#show run int tunnel-te 502
> Thu Mar 29 23:38:12.446 UTC
> interface tunnel-te502
>  ipv4 unnumbered Loopback0
>  load-interval 30
>  autoroute announce
>  !autoroute announce
>  destination 10.100.100.2
>  fast-reroute
>  path-option 10 explicit name 413-405
> !
> 
> !
> explicit-path name 413-312
>  index 10 next-address strict ipv4 unicast 10.20.4.1
>  index 20 next-address strict ipv4 unicast 10.100.100.3
> !
> 
> explicit-path name 413-405
>  index 10 next-address strict ipv4 unicast 10.20.3.1
>  index 20 next-address strict ipv4 unicast 10.100.100.2
> !
> 
> if you need aditional outputs let me know...
> 
> Thank you!
> 
> 
> 
> 
> On Thu, Mar 29, 2012 at 7:35 PM, Xu Hu <jstuxuhu0816 at gmail.com> wrote:
> 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!
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
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> 
> 
> 
> -- 
> Omar E.P.T
> -----------------
> Certified Networking Professionals make better Connections!


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