[j-nsp] Details of show ted output

Guy Davies Guy.Davies at telindus.co.uk
Thu Jul 29 12:23:32 EDT 2004


Hi Bala,

I notice that for RSVP and OSPF TE, you've got interface all configured
but not for MPLS.  Might it be that in one direction, the RSVP/OSPF is
trying to use a non-MPLS enabled interface?

Regards,

Guy

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> Harry Reynolds
> Sent: 29 July 2004 17:02
> To: 'Bala S Venkata'
> Cc: juniper-nsp at puck.nether.net
> Subject: RE: [j-nsp] Details of show ted output
> 
> 
> Assuming this is a non production network you might try 
> clearing the OSPF data base with a clear ospf database purge 
> (not really that disruptive, but better to be safe). Also, 
> you might display the opaque LSAs, which support TE 
> extensions, to see if any routers are not correctly 
> generating the type 10 LSAs.
> 
> I sometimes fine that disabling cspf with a no-cspf and then 
> building a convention RSVP LSP, perhaps using ERO 
> constraints, is a good way to spot general MPLS issues, like 
> missing RSVP on family MPLS on the correct logical unit. The 
> benefit here is that you test baseline MPLS while eliminating 
> complexity of TED and CSPF.
> 
> Regards
> 
> 
> 
> 
> 
> > -----Original Message-----
> > From: Bala S Venkata [mailto:balavenkata at netscape.net]
> > Sent: Thursday, July 29, 2004 8:54 AM
> > To: harry at juniper.net
> > Cc: jeremy at skwire.net; juniper-nsp at puck.nether.net
> > Subject: Re: [j-nsp] Details of show ted output
> > 
> > Harry-
> > 
> > I see that on both ends of the link the interface shows up
> > under mpls, rsvp and OSPF (my IGP) families. OSPF also has TE 
> > specified. I did the following on one of the link endpoints:
> > 
> > ------------------------------------------------
> > user at host# show protocols ospf
> > traffic-engineering;
> > area 0.0.0.0 {
> >     interface fxp0.0 {
> >         disable;
> >     }
> >     interface all;
> > }
> > 
> > [edit]
> > user at host# show protocols mpls
> > interface so-0/1/0.0;
> > interface so-0/3/0.0;
> > interface so-1/2/0.0;
> > interface at-0/1/0.0;
> > 
> > [edit]
> > user at host# show protocols rsvp
> > interface all;
> > interface so-0/1/0.0;
> > interface so-0/3/0.0;
> > interface so-1/2/0.0;
> > interface at-0/1/0.0;
> > ------------------------------------------------
> > 
> > Is something missing here ?
> > 
> > 
> > >Check to see that both ends of the link support the MPLS
> > family, RSVP,
> > >and TE extensions to the IGP. Usually when I see an
> > asymmetric number
> > >of in links vs. out links, it is one of the above causes.
> > >
> > >HTHs
> > >
> > > 
> > >
> > >  
> > >
> > >>-----Original Message-----
> > >>From: juniper-nsp-bounces at puck.nether.net
> > >>[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Bala S
> > >>Venkata
> > >>Sent: Thursday, July 29, 2004 7:51 AM
> > >>To: jeremy at skwire.net
> > >>Cc: juniper-nsp at puck.nether.net
> > >>Subject: Re: [j-nsp] Details of show ted output
> > >>
> > >>Thanks for that Jeremy. I read the docs too but I was 
> unclear as to
> > >>why would a link used by a node pointing to "this node"
> > >>be unidirectional. THat is the part for which I was 
> looking for an 
> > >>answer. Lmk if you have more ideas.
> > >>
> > >>
> > >>TIA
> > >>
> > >>jeremy at skwire.net wrote:
> > >>
> > >>    
> > >>
> > >>>Bala,
> > >>>
> > >>>The LnkIn shows how many nodes point towards this node, 
> and LnkOut
> > >>>shows how many nodes this node points toward.  Here is the 
> > doc that
> > >>>points this out:
> > >>>
> > >>>http://www.juniper.net/techpubs/software/junos/junos62/swcmdr
> > >>>      
> > >>>
> > >>ef62/html/
> > >>    
> > >>
> > >>>mpls-monitor13.html
> > >>>
> > >>>J.
> > >>>
> > >>>On Wed, 28 Jul 2004 15:41:46 -0700
> > >>>Bala S Venkata <balavenkata at netscape.net> wrote:
> > >>>
> > >>>BSV> HI,
> > >>>BSV> 
> > >>>BSV> In the output of "show ted database" what does LnkIn
> > and LnkOut
> > >>>BSV> really mean ? In the following sample, you can see
> > the LnkIn is
> > >>>BSV> 3 and LnkOut is 1. I am trying to understand what it means
> > >>>BSV> (especially why it shows a mismatch).
> > >>>BSV> 
> > >>>BSV> ------------------------------
> > >>>BSV> user at host# run show ted database 192.168.0.102 TED
> > database: 0
> > >>>BSV> ISIS nodes 6 INET nodes
> > >>>BSV> ID                            Type Age(s) LnkIn 
> > LnkOut Protocol
> > >>>BSV> 192.168.0.102                 Rtr   59244     3      1 
> > >>>      
> > >>>
> > >>OSPF(0.0.0.0)
> > >>    
> > >>
> > >>>BSV> .....
> > >>>BSV> ------------------------------
> > >>>BSV> 
> > >>>BSV> 
> > >>>BSV> Thanks !
> > >>>BSV> 
> > >>>BSV> /bala
> > >>>BSV> 
> > >>>
> > 
> 
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