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RE: Bandwidth Reservation

  • From: Carlos Parada <carlos-f-parada@ptinovacao.pt>
  • Date: Tue, 20 Nov 2001 15:49:40 -0000
  • Cc: "'Javier Antich'" <javier.antich@telindus.es>
  • Resent-Date: Tue, 20 Nov 2001 14:17:32 -0500
  • To: "'mpls-ops@mplsrc.com'" <mpls-ops@mplsrc.com>
  • X-MIME-Autoconverted: from quoted-printable to 8bit by host.secure4-hosting.net id fAKFmjV21086


Hola Javier,

> Hi Carlos, 
> 
>     TE tunnels provide no real reservation, it is just in the control
> plane,
> not in the forwarding plane. There are no specific buffer space assigned
> to
> that tunnel which guarantees anything, it is just that now you have
> 2000-500=1500 left for new "reservations".
> 
	[Carlos Parada]
	I though that this reservation is supposed to be a strict resource
reservation (like IntServ).
	In this case, how can I implement the 'pipe model', where an amount
of bandwidth between two PEs must be assured ? Make sense these kinds of
reservations without strict reservations ?

	 
>    Regards.
>    Javier.
> 
>                                           ^   ^
> ==============ooo====(.)v(.)====ooo=====
> Javier Antich Romaguera
> Network Consultant
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> 
> 
> > -----Mensaje original-----
> > De:	Carlos Parada [SMTP:carlos-f-parada@ptinovacao.pt]
> > Enviado el:	martes 20 de noviembre de 2001 13:07
> > Para:	'mpls-ops@mplsrc.com'
> > Asunto:	Bandwidth Reservation
> > 
> > 
> > Hi all,
> > 
> > I'm configuring a bandwidth reservation for a VPN/MPLS tunnel in a Cisco
> > 7200 IOS 12.1(5)T7. The problem is that it doesn't work. The bandwidth
> not
> > guaranteed, having the traffic rate a strange random behavior.
> > 
> > I'm using just the command 
> > tunnel mpls traffic-eng bandwidth 500 
> > in the tunnel, and 
> > ip rsvp bandwidth 2000 2000
> > for interfaces. (NOTE: this command is accepted but when I type '?' the
> > possible commands are not displayed since 'ip rsvp').
> > 
> > Anybody knows if this version has any bug ? or I'm missing something ?
> > 
> > Thanks in advance.
> > 
> > Best Regards.
> > 
> > 
> > 
> > Carlos Parada
> > 
> > **********
> > Carlos Fonseca Parada
> > Portugal Telecom INovação, S.A.
> > MSI - Multimédia e Serviços IP - Redes MultiServiço
> > MIS - Multimedia and IP Services - MultiService Networks
> > *   Rua Engº José Ferreira Pinto Basto - 3810 Aveiro - Portugal
> > * Ext: 1317             (+351 234 403317)
> > 
> > 
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