Finding asymmetric path

Randy Bush randy at psg.com
Fri Nov 27 22:08:40 CST 2009


> I'm reasonable certain a customer of ours who is using one of our 
> netblocks is using a different reverse path to reach us.  How might I 
> figure out who is allowing them to source traffic from IPs that belong 
> to us?

you are implying that they are not allowed to multi-home using the ip
space you have assigned to them.  good way to lose a customer.

randy




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