On Tue, 30 Oct 2001, suaveguru wrote:
> situation goes this way
>
> R1--------Receive-Only-------R2---------Terrestrial gw
> |
> |
> Transmit-Only
>
>
> Problem :
> customer has only one block of Class C Address and
> when I advertise the whole class C over the satellite
> link it does off-load the terrestrial link for the
> return path but this time the satellite link get
> congested . I could not do a AS-PATH prepend as they
> are using Private-As and the provider is stripping
> private-as at their end
>
> My question is how can I solve this problem of
> load-balancing by introducing as shown in the diagram
> another satellite link from the same provider with
> only a transmit path ?
Correct me if I am wrong but it sounds like the customers Class C was
assigned by the terrestrial provider. If so the most likely problem is
that the Class C is being aggregated by the terrestrial provider into
a larger block. The satellite provider on the other hand is announcing
the more specific /24.
terrestrial provider /19
> Global BGP table
satellite provider /24
Since the more specific route would be preferred most traffic would
prefer the satellite link. There are a couple of ways you could address
this. One would be to ask the terrestrial provider to announce the more
specific /24 as well. This would probably help but you would still not
have any control over the traffic...The other option would be to get
an AS# and run BGP with both providers.
>
> appreicate your inputs
>
> suaveguru
>
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