From: Sawal, Vijay (Vijay.Sawal@xxxxxxxxx)
Date: Wed Jul 26 2000 - 21:46:18 GMT-3
Is there any match and set criteria for setting the mask for the incoming
IGP routes to be advertised into the
connected BGP As?
Vijay
-----Original Message-----
From: Rogell, Dennis [mailto:Dennis_Rogell@milgo.com]
Sent: Wednesday, July 26, 2000 5:47 PM
To: 'Sawal, Vijay'
Subject: RE: BGP route aggregation and redistribution
The only way I see it to work would be to do the aggregate summary at all
three pops and I am not sure if it would work. Let me play around with this
and get back to you.
Dennis Rogell
> -----Original Message-----
> From: Sawal, Vijay [SMTP:Vijay.Sawal@CWUSA.COM]
> Sent: Wednesday, July 26, 2000 13:29
> To: 'Rogell, Dennis'
> Cc: 'ccielab@groupstudy.com'
> Subject: RE: BGP route aggregation and redistribution
>
> Hopt this helps
>
>
>
> -----Original Message-----
> From: Rogell, Dennis [mailto:Dennis_Rogell@milgo.com]
> Sent: Wednesday, July 26, 2000 3:41 PM
> To: 'Sawal, Vijay'
> Subject: RE: BGP route aggregation and redistribution
>
>
> It would make it easier if you can draw up quick diagram so I can get a
> better picture of your network
>
> Dennis Rogell
>
> > -----Original Message-----
> > From: Sawal, Vijay [SMTP:Vijay.Sawal@CWUSA.COM]
> > Sent: Wednesday, July 26, 2000 12:24
> > To: 'Rogell, Dennis'
> > Cc: 'ccielab@groupstudy.com'
> > Subject: RE: BGP route aggregation and redistribution
> >
> > Here is the actual requirement:
> >
> > A Single ISP has allocated IP addresses to his Customers who are single
> > and/or dual homed through his three POPs. this
> > ISP is basically a Tier-3. I want to advertise the Customer routes out
> of
> > the ISPs three Pops to the Internet. This is with a condition that none
> of
> > the routing updates will go beyond 24-bit mask.
> >
> > Can I send the configure route aggregation with summary only for
> > multihimed
> > Customers on multiple Exit points of this same ISP? Somehow I want to
> > ensure
> > that whatever route advertisement goes out of the ISP should not have a
> > subnet Mask more than
> > 24 bits.This is because the address allocation to Customer is not in
> > contiguous blocks and the route aggregation is not possible at the
> > Customer
> > Router.
> >
> > Can I send route update with Export Community and restricting the subnet
> > mask to 24-bit? I am just guessing!? I may be wrong, pl validate.
> >
> > Vijay
> >
> >
> > -----Original Message-----
> > From: Rogell, Dennis [mailto:Dennis_Rogell@milgo.com]
> > Sent: Wednesday, July 26, 2000 2:38 PM
> > To: 'Sawal, Vijay'
> > Subject: RE: BGP route aggregation and redistribution
> >
> >
> > normally you would use the best path so if you are using more than one
> > router at the isp then please give me a diagram and tell me what you are
> > tryng to accomplish
> >
> > Dennis Rogell
> >
> > > -----Original Message-----
> > > From: Sawal, Vijay [SMTP:Vijay.Sawal@CWUSA.COM]
> > > Sent: Wednesday, July 26, 2000 10:37
> > > To: 'Rogell, Dennis'
> > > Cc: 'ccielab@groupstudy.com'
> > > Subject: RE: BGP route aggregation and redistribution
> > >
> > > Can I do this manual aggregation at the two ISP exit Routers?
> > >
> > >
> > > -----Original Message-----
> > > From: Rogell, Dennis [mailto:Dennis_Rogell@milgo.com]
> > > Sent: Wednesday, July 26, 2000 1:26 PM
> > > To: 'Sawal, Vijay'
> > > Subject: RE: BGP route aggregation and redistribution
> > >
> > >
> > > If you want to only advertise the aggregate use aggregate address
> > summary
> > > only this will advertise the aggregate only.
> > > hope this helps
> > >
> > > Dennis Rogell
> > >
> > > > -----Original Message-----
> > > > From: Sawal, Vijay [SMTP:Vijay.Sawal@CWUSA.COM]
> > > > Sent: Wednesday, July 26, 2000 09:57
> > > > To: 'ccielab@groupstudy.com'
> > > > Subject: BGP route aggregation and redistribution
> > > >
> > > >
> > > > How can I advertise Customer BGP network into the Internet cloud via
> > two
> > >
> > > > exit points of the same ISP. And the Customer networks should not be
> > > > advertised beyond /24. Unfortunately aggregation
> > > > is not possible for all the Customer routes at the Customer Router.
> > > >
> > > > Can I use a Route-map for outgoing BGP updates? Or Do I have any
> > elegant
> > > > solution?
> > > >
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 08:23:58 GMT-3