FW: [nsp] BGP with 3 diff provider.....

[Jeff Groth]

oops


> 
> 
> Prepending? This is assuming provider independent netblocks.
> 
> IP Block A:
>  to ISP A - not prepended
>  to ISP B - prepended once
>  to ISP C - prepended twice
> 
> IP Block B:
>  to ISP B - not prepended
>  to ISP C - prepended once
>  to ISP A - prepended twice
> 
> IP Block C:
>  to ISP C - not prepended
>  to ISP A - prepended once
>  to ISP B - prepended twice
> 
> 
> Jeff
> 
> 
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net 
> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of 
> Network 4 all
> > Sent: Saturday, February 01, 2003 3:28 PM
> > To: NSP
> > Subject: [nsp] BGP with 3 diff provider.....
> > 
> > 
> > Hello All,
> > 
> >            I want to start BGP session with 3 diff.
> > provider.I m already running with 2 Provider.
> > 
> >  I have 3 IP block which needs to be annouced as
> > mention below for load-balancing.
> > 
> > IP block A --
> >  All traffic for this block should return via ISP A,
> > if ISP A fail it should come via ISP B and if ISP B
> > fail it shold come vi ISP C.
> > 
> > IP block B ---
> >  All traffic for this block should return via ISP B,
> > if ISP B a fail it should come via ISP C and if ISP C
> > fail it shold come vi ISP A.
> > 
> > 
> > IP block C --
> > 
> >  All traffic for this block should return via ISP C,
> > if ISP a fail it should come via ISP A and if ISP A
> > fail it shold come vi ISP B.
> > 
> > 
> > with regards
> > Tejal
> > 
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> > 
>