[nsp] Virtual Interface Groups

From: Desmarais, Jonathan (JDesmarais@colt-telecom.com)
Date: Tue Jan 16 2001 - 07:08:00 EST


I have a need to isolate groups of interfaces from each other. The scenario
is multiple customers connecting to private LAN segments in a Hosting
centre. All the customers aggregate in a single route over Channelised-E3 to
starts with, and each customer needs connectivity to his private VLAN based
segment.

I have a VRF solution using an ISL trunk to the switched network, and piping
the VLAN's up to router FE sub-interfaces. The binding the FE sub-interfaces
and the MC-E3 E1 channel into a VRF instance. One VRF per customer. That
seems to do exactly what I need. However it seems too complicated.

Is there a plausible method of achieving this where IP ranges of networks
need not be added to access-lists?

Cheers
Jonathan

> -----Original Message-----
> From: Desmarais, Jonathan [mailto:JDesmarais@colt-telecom.com]
> Sent: 16 January 2001 08:34
> To: 'Paul Williams'; cisco-nsp@puck.nether.net
> Subject: RE: [nsp]
>
>
> I would use rrd tool rather than mrgt, also by Tobi. It scales better.
>
> > -----Original Message-----
> > From: Paul Williams [mailto:paul.williams@eurobet.com]
> > Sent: 06 December 2000 15:14
> > To: cisco-nsp@puck.nether.net
> > Subject: [nsp]
> >
> >
> >
> > Somebody out there is gonna be going 'oh damn not that idiot
> > again...' but
> > here goes anyway!
> >
> > We've been asked to look at MRTG (Multi Route Traffic Grapher) for
> > monitoring our bandwith usage through our 7204 routers.
> > MRTG requires setting up SNMP on the routers, which i have
> enabled and
> > specified the host ip which will be receiving. I have also
> > set up a conduit
> > from the router through our pix to the mrtg server. However
> > when we run the
> > mrtg config perl script no response from the routers is
> > received. Any help?
> >
> > Paul Williams
> >
> >
>
>
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**********************************************************************
COLT Telecommunications
Registered in England No. 2452736
Registered Office: Bishopsgate Court, 4 Norton Folgate, London E1 6DQ
Tel. 020 7390 3900

This message is subject to and does not create or vary any contractual
relationship between COLT Telecommunications, its subsidiaries or
affiliates ("COLT") and you. Internet communications are not secure
and therefore COLT does not accept legal responsibility for the
contents of this message. Any view or opinions expressed are those of
the author. The message is intended for the addressee only and its
contents and any attached files are strictly confidential. If you have
received it in error, please telephone the number above. Thank you.

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