North American Network Operators Group|
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Re: AT&T carrying rfc1918 on the as7018 backbone?
> RFC1918 addresses are unpredictable on any network other than your own. > You shouldn't make assumptions about them. Anyone may use them for any > purpose on their network. If you send packets into their network using > RFC1918 addresses, you get whatever you get. If you require certaintity > its up to you to impose your policy at your edge. > > Does sending packets to RFC1918 addresses on other networks meet the "be > conservative in what you send" credo? I understand all that. We're working with the customer to harden the border (ACLs) and possibly take a bogon feed, etc. I was just having a hard time believing AT&T was leaking 10/8 and that any other large provider was accepting it so wanted to verify. -b