Re: MPLS Traffic-Engineering Dynamic Tunnel

"No path to destination" can be misleading because it does not really mean
there is no route. It just means it cannot calculate a path that meets the
requirements of the tunnel. I am curious to see the full configs as well as
"show mpls traffic-eng topology."

On Fri, Oct 30, 2009 at 9:29 AM, Shawn Zandi <szmetal_at_gmail.com> wrote:

> Army,
> Last Error: PCALC:: No path to destination, 0000.0000.0008.00
> Last Error: PCALC:: No path to destination, 0000.0000.0009.00
>
> R8 does not have route to loopback of R9, and R9 does not have route to
> loopback of R8. Enable ISIS on loopbacks by "ip router isis" or change your
> TE router-ID to reachable ones.
>
> --
> Sincerely,
> Shawn Zandi
> Network Architect and Consultant
> Cisco Certified CCIE x2 (R&S, Security)
> Juniper, Foundry, Brocade and Procurve Certified
>
> http://blog.shafagh.com
>
>
>
> On Fri, Oct 30, 2009 at 6:45 PM, <armylegionmedic_at_aol.com> wrote:
>
> > Hello Rich,
> >
> >
> > Thank you very much for the response. The command metric-style wide is
> > in
> > all the routers. When I type the command mpls traffic-eng level-* it will
> > always tell me if there is no metric-style wide initiated. I have also
> gone
> > through and checked all the routers.
> >
> >
> > Regards,
> >
> >
> > James
> >
> >
> > -----Original Message-----
> > From: Rich Collins <nilsi2002_at_gmail.com>
> > To: Divin Mathew John <divinjohn_at_gmail.com>
> > Cc: srinivas pv <vsrinivas.paturi_at_gmail.com>; armylegionmedic_at_aol.com;
> > ccielab_at_groupstudy.com
> > Sent: Fri, Oct 30, 2009 7:07 am
> > Subject: Re: MPLS Traffic-Engineering Dynamic Tunnel
> >
> >
> >
> >
> >
> >
> >
> >
> > Hi,
> >
> > Your problem is that all isis router instances should be metric-style
> > wide for traffic engineering.
> >
> > If you do a show ip route isis you are probably missing some
> > destinations (for the same above reason).
> >
> > -Rich
> >
> >
> >
> >
> > > On Fri, Oct 30, 2009 at 9:00 AM, srinivas pv
> > <vsrinivas.paturi_at_gmail.com>wrote:
> > >
> > >> Hi,
> > >>
> > >> You are getting following error:
> > >> Path Option 10:
> > >> Last Error: PCALC:: No path to destination, 0000.0000.0008.00
> > >>
> > >> You can check why you are getting this.
> > >> Can you give following show outputs from both R8 and R9
> > >>
> > >> show mpls traffic-eng topology brief
> > >> show mpls traffic-eng tunnels topology path destination <tunnel dest
> > addr>
> > >> show mpls traffic-eng tunnels topology path destination <tunnel dest
> > addr>
> > >> bandwidth
> > >> show mpls traffic-eng tunnels topology path destination <tunnel dest
> > addr>
> > >> priority
> > >> show mpls traffic-eng tunnels topology path tunnel89
> > >> show mpls traffic-eng tunnels topology path tunnel89 bandwidth
> > >> show mpls traffic-eng tunnels topology path tunnel89 priority
> > >>
> > >>
> > >> Thanks,
> > >> Srinivas
> > >>
> > >>
> > >> On Fri, Oct 30, 2009 at 6:12 AM, <armylegionmedic_at_aol.com> wrote:
> > >>
> > >> > Hello Experts,
> > >> >
> > >> > I have been troubleshooting this for like 2 hours now and just
> > cannot
> > >> see
> > >> > what is wrong. I have read through the IPExpert article and tried
> the
> > >> auto
> > >> > bw
> > >> > commands and it made no difference. Also, I am able to ping
> perfectly
> > >> fine.
> > >> > I
> > >> > am trying to go R8-R2-R7-R9 and reverse path back, but my tunnel on
> R8
> > >> and
> > >> > R9
> > >> > will not come online. I have also lowered the bandwidth on the RSVP
> as
> > >> well
> > >> > as
> > >> > on the tunnel and this didnt help.
> > >> >
> > >> > Here is the config:
> > >> >
> > >> > R2
> > >> > mpls traffic-eng tunn
> > >> > router isis
> > >> > mpls traffic-eng level-1
> > >> > mpls traffic-eng rou lo0
> > >> > int e0/0.28
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > int e0/0.27
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > r7
> > >> > mpls traffic-eng tunn
> > >> > router isis
> > >> > mpls traffic-eng rout lo0
> > >> > mpls traffic-eng level-1
> > >> > int f1/0.27
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > int f1/0.79
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > r8
> > >> > mpls traffic-eng tunn
> > >> > router isis
> > >> > mpls traffic-eng rou lo0
> > >> > mpls traffic-eng level-1
> > >> > int f1/0.28
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > int tunn 89
> > >> > ip unn lo0
> > >> > tunn so lo0
> > >> > tunn dest 32.32.0.9
> > >> > tunn mode mpls traffic-eng
> > >> > tunn mpls traffic-eng prio 7 7
> > >> > tunn mpls traffic-eng band 2000
> > >> > tunn mpls traffic-eng path-opt 10 dynamic
> > >> > tunn mpls traffic-eng autoroute announce
> > >> > r9
> > >> > mpls traffic-eng tunn
> > >> > router isis
> > >> > metric-sty wide
> > >> > mpls traffic-eng rou lo0
> > >> > mpls traffic-eng level-1
> > >> > int f1/0.79
> > >> > mpls traffic-eng tunn
> > >> > ip rsvp band 5000
> > >> > int tunn 98
> > >> > ip unn lo0
> > >> > tunn so lo0
> > >> > tunn dest 32.32.0.8
> > >> > tunn mode mpls traffic-eng
> > >> > tunn mpls traffic-eng prio 7 7
> > >> > tunn mpls traffic-eng band 2000
> > >> > tunn mpls traffic-eng path-opt 10 dynamic
> > >> > tunn mpls traffic-eng autoroute announce
> > >> >
> > >> > If I do a sh mpls traff tunn I get
> > >> >
> > >> > R9
> > >> >
> > >> > Rack1R9(config-if)#do sh mpls traffi tunn
> > >> > Name: Rack1R9_t98 (Tunnel98) Destination:
> > >> 32.32.0.8
> > >> > Status:
> > >> > Admin: up Oper: down Path: not valid Signalling: Down
> > >> > path option 10, type dynamic
> > >> > Config Parameters:
> > >> > Bandwidth: 2000 kbps (Global) Priority: 7 7 Affinity:
> > >> > 0x0/0xFFFF
> > >> > Metric Type: TE (default)
> > >> > AutoRoute: enabled LockDown: disabled Loadshare: 500
> > bw-based
> > >> > auto-bw: disabled
> > >> > History:
> > >> > Tunnel:
> > >> > Time since created: 32 minutes, 28 seconds
> > >> > Path Option 10:
> > >> > Last Error: PCALC:: No path to destination, 0000.0000.0008.00
> > >> >
> > >> > R8
> > >> > Rack1R8(config-if)#do sh mpls traffi tunn
> > >> > Name: Rack1R8_t89 (Tunnel89) Destination:
> > >> 32.32.0.9
> > >> > Status:
> > >> > Admin: up Oper: down Path: not valid Signalling: Down
> > >> > path option 10, type dynamic
> > >> > Config Parameters:
> > >> > Bandwidth: 500 kbps (Global) Priority: 7 7 Affinity:
> > >> 0x0/0xFFFF
> > >> > Metric Type: TE (default)
> > >> > AutoRoute: enabled LockDown: disabled Loadshare: 500
> > bw-based
> > >> > auto-bw: disabled
> > >> > History:
> > >> > Tunnel:
> > >> > Time since created: 33 minutes, 15 seconds
> > >> > Path Option 10:
> > >> > Last Error: PCALC:: No path to destination, 0000.0000.0009.00
> > >> > Rack1R8(config-if)#
> > >> >
> > >> > TIA for any help.
> > >> >
> > >> > Regards,
> > >> >
> > >> > James
> > >> >
> > >> >
> > >> > Blogs and organic groups at http://www.ccie.net
> > >> >
> > >> >
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> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> > >
> > > --
> > >
> > > Sent from Karnataka, India
> > > Jean Cocteau <http://www.quotationspage.com/quote/1031.html> - "We
> must
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-- 
Bryan Bartik
CCIE #23707 (R&S), CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
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