[j-nsp] Estabilishing TE's tunnels between juniper and CISCO

[Ashok Patrick Jude M]

Marcio,

No-decrement-ttl is signaled via a proprietary ctype object in the OBJC_LABEL_REQUEST class.

It looks like we are originating an LSP to the Cisco with no-decrement-ttl
knob set on the LSP. This will cause us to send out a proprietary Label
request obj ctype, which the Cisco will not recognize and complain with a
PathErr.

The *only*workaround would be to de-configure that knob on the LSP.

Hope this helps.

Thanks
-Ashok


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Marcio Pereira
Sent: Thursday, May 03, 2007 6:24 PM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] Estabilishing TE's tunnels between juniper and CISCO

  Hi guys,
 
    I am trying estabilish TE tunnels between juniper ( M20 ) and cisco ( 76xx), but TE goes up just when i disable "no-decrement-ttl" knob ( That´s not good ...). Otherwise the tunnel keeps down showing the message :"Unknown Object type:label_request with no-decrement-tt"
    Have someone experienced this issue ? Any ideas how can i fix ? 
    I am using junos 7.1 and IOS 12.2(18)SXF7
 
Mp. 
 
 <mailto:marperei at jnpr> marperei at jnpr# show protocols mpls label-switched-path teste
to 201.X.X.X;
no-decrement-ttl;

 
marperei at jnpr# run show mpls lsp ingress name teste extensive
Ingress LSP: 17 sessions
 
201.X.X.X
  From: 200.X.X.X, State: Dn, ActiveRoute: 0, LSPname: teste
  ActivePath: (none)
  LoadBalance: Random
  Encoding type: Packet, Switching type: Packet, GPID: IPv4
  Primary                    State: Dn, No-decrement-ttl
    SmartOptimizeTimer: 180
    Computed ERO (S [L] denotes strict [loose] hops): (CSPF metric: 10)
 201.X.X.X S
    3 May  3 09:25:17 201.47.0.6: Unknown Object type:label_request with no-decrement-ttl[3 times]
    2 May  3 09:25:08 Originate Call
    1 May  3 09:25:08 CSPF: computation result accepted
  Created: Thu May  3 09:25:06 2007
Total 1 displayed, Up 0, Down 1

Mp.
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