Hi,
You can influence incoming traffic in the scenario
that you say using two techniques :
1. Advertise part of your pool on both links and
advertise a less specific ( aggregate route ) to both.
This will help in case your link to one ISP fails.
2. Do an AS Path Prepend
For Outgoing traffic, you have the following options :
1. Accept all internet routes from both ISP's
2. Accept a combination of partial full routes
3. Do not accept routes from both ISPs and use source
routing ( Not recommended ) as this should cause a
performance hit on the router you are using.
Hope the above suggestions help.
Rgds,
Edward
--- Budi Widjojo <budi.widjojo@davnet.com.sg> wrote:
> Hi all,
>
> Anybody can give any suggestions for the situation
> below ?
>
> My network is currently connected to two 2 ISPs and
> running a bgp those
> links.
> The first isp has 2 international link, but they
> don't have a direct link to
> US. Recently, we just added a new link which is
> connected to the second isp,
> this isp has a direct link US.
>
> The bandwidth the first isp is 2 MB and 1 MB for the
> second link.
>
> After adding the second link, most of the incoming
> traffic are going via the
> 2 second isp. This situation make the bandwidth
> utilisation on those two
> link are not equal, the smaller bandwidth link is
> over utilised than the
> bigger one.
>
> So if there are way to solve this problem beside
> doing a manual selection by
> as-prepend to a certain AS number?
>
> Thanks and regards
>
> Budi
>
=====
Edward S. Desouza
23/24 Manali 5,
Evershine Nagar,
Malad (W),
Bombay 400064.
Tel :9122-8886362
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