On 5/25/12 15:12 , Seth Mattinen wrote: > On 5/25/12 3:08 PM, Adam wrote: >> >> You also have to implement additional filters to protect yourself from what >> your client can advertise. I'm lucky enough to work for a major ISP with >> pretty sophisticated filters built off the public route registry, but not >> all ISPs have this functionality. >> > > Is it really that hard to use a simple prefix list containing the one > prefix they're allowed to announce and default deny everything else?
If it's built off a registry, the customer can change it without direct coordination which is a huge labor saving activity. > ~Seth >
