The MPLS-OPS Archive

Cell Relay Retreat>MPLS-OPS Archive>month:2004-Mar> msg00049



[Date Prev][Date Next][Thread Prev][Thread Next]  
  [Date Index][Thread Index][Author Index][Subject Index]

Re: Cisco *ing out in traceroute

  • From: Luc De Ghein <ldeghein@cisco.com>
  • Date: Mon, 15 Mar 2004 17:28:01 +0100 (CET)
  • Cc: mpls-ops@mplsrc.com
  • Resent-Date: Mon, 15 Mar 2004 12:01:45 -0500
  • To: ohnmacht@att.com
  • X-Sun-Charset: US-ASCII


Do you have 'ip verify unicast ...' on that PE?


Luc

> Hello -
> 
> I understand why the Juniper's are *ing out, but can anyone provide me some insight as to why Hop 12 (PE-Cisco) is *ing out? Below are some sample traces (the traces traverse 2 ASs). I hope this is clear ;-)..
> 
> Forward Trace:
> 
> CE-Router>traceroute x.x.x.x
> 
>   1 x.x.x.x 80 msec 208 msec 116 msec <==== PE
>   2 x.x.x.x [MPLS: Labels 477/14694 Exp 0] 132 msec 128 msec 132 msec
>   3 x.x.x.x [MPLS: Labels 32767/14694 Exp 0] 128 msec 136 msec 128 msec
>   4 x.x.x.x [MPLS: Labels 32762/14694 Exp 0] 132 msec 128 msec 132 msec
>   5 x.x.x.x [MPLS: Labels 32755/14694 Exp 0] 128 msec 128 msec 128 msec 
>   6 x.x.x.x [MPLS: Labels 32726/14694 Exp 0] 128 msec 132 msec 132 msec <==== pop BB label
>   7 x.x.x.x [MPLS: Label 14694 Exp 0] 128 msec 128 msec 128 msec <==== leaving local AS - pop VPN label
>   8 x.x.x.x [MPLS: Label 13169 Exp 0] 128 msec 128 msec 128 msec <==== entering remote AS
>   9  *  *  * <==== JUNIPER
>  10  *  *  *  <==== JUNIPER
>  11  *  *  *  <==== JUNIPER <===== pop BB label
>  12  *  *  * <==== PE-CISCO - why is the cisco *ing out????
>  13 x.x.x.x [AS XXX] 128 msec *  132 msec <==== remote CE
> 
> 
> 
> Reverse Trace:
> 
> 
> CE-Router>traceroute x.x.x.x
> 
>   1 x.x.x.x 4 msec 0 msec 0 msec <==== PE
>   2  *  *  *  <===== JUNIPER
>   3 x.x.x.x [MPLS: Labels 12616/13379 Exp 0] 132 msec 132 msec 132 msec <=== This "P" router -Cisco is not exhibiting behavior
>   4 x.x.x.x [MPLS: Label 13379 Exp 0] 128 msec 132 msec 128 msec
>   5 x.x.x.x [MPLS: Label 15097 Exp 0] 132 msec 132 msec 128 msec
>   6 x.x.x.x [MPLS: Labels 32651/2428 Exp 0] 132 msec 132 msec 132 msec
>   7 x.x.x.x [MPLS: Labels 32695/2428 Exp 0] 128 msec 132 msec 132 msec
>   8 x.x.x.x [MPLS: Labels 32497/2428 Exp 0] 128 msec 132 msec 132 msec
>   9 x.x.x.x [MPLS: Labels 32486/2428 Exp 0] 132 msec 132 msec 132 msec
>  10 x.x.x.x [MPLS: Labels 32577/2428 Exp 0] 132 msec 128 msec 132 msec
>  11 x.x.x.x [MPLS: Labels 404/2428 Exp 0] 132 msec 132 msec 132 msec 
>  12 x.x.x.x [AS XXX] [MPLS: Label 2428 Exp 0] 128 msec 128 msec 128 msec <==== PE
>  13 x.x.x.x [AS XXX] 128 msec *  128 msec <==== CE
> 
> 
> Thanks!
> -so
> 
> 
> 
> 
> -------
> The MPLS-OPS Mailing List
> Subscribe/Unsubscribe:  http://www.mplsrc.com/mplsops.shtml
> Archive: http://www.mplsrc.com/mpls-ops_archive.shtml
> 

-------
The MPLS-OPS Mailing List
Subscribe/Unsubscribe:  http://www.mplsrc.com/mplsops.shtml
Archive: http://www.mplsrc.com/mpls-ops_archive.shtml