[j-nsp] src_ASN and dest_ASN in Netflow record

[Scott Morris]

If it does (though I haven't seen that on 0/0 routes), I would assume it'd get pulled via whatever BGP AS advertised the 0/0 route to you.  If you inject this yourself, there would be no reference to pull from.

Either way, it would seem kinda silly to do that.  The concept in Netflow organization like that is based on the assumption that you are running an actual BGP feed and receiving all of the appropriate information.

Scott
 

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Joe Shen
Sent: Monday, April 03, 2006 4:09 AM
To: cisco-nsp at puck.nether.net
Cc: juniper-nsp at puck.nether.net
Subject: [j-nsp] src_ASN and dest_ASN in Netflow record

Hi,

We collect netflow traffic on our edge router.
According to netflow document, router will insert src_ASN and dest_ASN  according to BGP routing table. 

Our edge router only has a limited part of internet route table in which a 0.0.0.0/0.0.0.0 is used. 

How will the router insert SRC_ASN and Dest_ASN when a packet is forwarded according to default route? 

Joe 




	

	
		
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