[j-nsp] JUNOS syslog message explanation on LDP

[Rafal Szarecki (WA/EPO)]

AFAIK, this synchonization verification  was intruduces in JUNOS 7.4 (or 7.3).

Rafał Szarecki JNCIE

skype me <callto://Rafal_Szarecki/> 

  

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> Domiciano Alonso Fernández
> Sent: Monday, January 02, 2006 5:47 PM
> To: MONIEZ, DAMIEN (DAMIEN)
> Cc: juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] JUNOS syslog message explanation on LDP
> 
> Hi
> 
> On 1/2/06, MONIEZ, DAMIEN (DAMIEN) <moniez at lucent.com> wrote:
> >
> > Hi,
> >
> >         On a syslog machine, I see a message called 
> RDP_OSPF_LDP_SYNC.
> >         In the docs, the reason for such a message is
> >                         "The OSPF protocol began advertising an 
> > infinite metric for the indicated interface the indicated 
> number of seconds ago,
> >                         because OSPF lost synchronization with the 
> > Label Distribution Protocol (LDP) on the interface."
> >                 Action
> >                 "Determine why LDP lost synchronization with OSPF."
> >
> >         My question : What is the meaning of OSPF and LDP 
> > desynchronisation ?
> 
> 
> See
> 
> http://www1.ietf.org/proceedings_new/04nov/slides/mpls-7/sld1.htm
> 
>         does it mean that OSPF is up but LDP is down ?
> 
> 
> Exact
> 
> In such situation, you don't have a continuous working LSP 
> from ingress-PE
> to egress-PE, so that you wouldn't want your VPN traffic to 
> traverse that
> link where LDP is not working.
> We asked for it, but I did not know it was activated by default
> Regards
> 
>         Thanks a lot.
> >         Regards,
> >         DM
> >
> >
> >
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