[c-nsp] Different ISPs with load balance

Eman Abu Al Wafa ewafa at batelco.jo
Sun Feb 26 07:37:04 EST 2006


/24 is my own subnet from RIPE not from any of my provider.


-----Original Message-----
From: Stephen J. Wilcox [mailto:steve at telecomplete.co.uk] 
Sent: Sunday, February 26, 2006 1:54 PM
To: Eman Abu Al Wafa
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Different ISPs with load balance

On Sun, 26 Feb 2006, Eman Abu Al Wafa wrote:

> I have two leased lines internet links connected to 2 different ISPs. How
can
> I create load-balancing between both ISPs ? I have my own C-class subnet
but I
> don't have AS number.

presumably what you mean here is you have two leased lines, one provider has

assigned you a /24 and you dont say what you have from the other and you
want to 
have inbound and outbound balancing/redundancy


you need to speak to both providers to see what they are willing to do, the
one 
giving you the /24 may not permit the other to route it, either may not
agree to 
routing the /24 independently without changing the agreement and cost - they
may 
not wish to do it at all

you pretty much have to get an AS number, these are usually trivial to
obtain
for a network in your position (having two providers). then you'll need to
get
it routed.. you can either do this on your own equipment running bgp or
soemtimes the providers will agree to announce it from your ASN on your
behalf. 
the latter provides less redundancy but can help you avoid buying and 
maintaining a bgp capable router

Steve





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