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Re: Re: ISP Policies
- From: Rohit Gupta
- Date: Fri Sep 10 02:35:55 2004
So this provider would select the path with the longer AS_PATH length and would advertise this one to its peers (if any). I believe then its for the others to decide if they want to take this route or not.
Is my understanding correct?
Mtech Comp Sc.
Institute of Technology
Banaras Hindu University
----- Original Message -----
To: "Rohit Gupta"
Sent: Friday, September 10, 2004 11:42 AM
Subject: Re: ISP Policies
> On Fri, Sep 10, 2004 at 11:36:58AM +0530, Rohit Gupta wrote:
>> On a related note : Do ISPs ever tweak around with Local Prefs and weights so as to select BGP paths with greater AS PATH length?
>> Would it ever make sense for a provider to chose a longer AS PATH length BGP route against a shorter AS PATH length route?
> Yes many do -> Prefer your customer routes via customer interfaces, over
> transit and peering interfaces.
> Higher LP over cust interfaces = more bits = more revenue. There is nothing
> wrong with this IMO, considering many of them who do this, also provide
> a community for customers to override this behaviour.
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