Re: question about AS relationship

2014-02-21 Thread Mark Tinka
On Friday, February 21, 2014 08:57:07 AM Song Li wrote: the AS relationship between AS1 and AS2/3 is peer, and AS1 cannot announce routes from AS3 to provider1 by rule. Or even Peer-AS2's routes to Peer-AS3 (and vice versa), in general best practice filtering rules, unless transit is

Re: question about AS relationship

2014-02-21 Thread Song Li
Thanks. I'm doing some research on route leaks, you are a great help to me. Sky li On Friday, February 21, 2014 08:57:07 AM Song Li wrote: the AS relationship between AS1 and AS2/3 is peer, and AS1 cannot announce routes from AS3 to provider1 by rule. Or even Peer-AS2's routes to Peer-AS3

question about AS relationship

2014-02-20 Thread Song Li
Hi everyone, I have one simple question: as for AS relationship, should customer tell its provider the AS# of its own customers, or the provider have the right to require its customers to do that? Thanks! -- Sky Li

Re: question about AS relationship

2014-02-20 Thread Christopher Morrow
On Thu, Feb 20, 2014 at 3:14 AM, Song Li refresh.ls...@gmail.com wrote: Hi everyone, I have one simple question: as for AS relationship, should customer tell its provider the AS# of its own customers, or the provider have the right to require its customers to do that? in an ideal world the

Re: question about AS relationship

2014-02-20 Thread William Herrin
On Thu, Feb 20, 2014 at 3:14 AM, Song Li refresh.ls...@gmail.com wrote: I have one simple question: as for AS relationship, should customer tell its provider the AS# of its own customers, or the provider have the right to require its customers to do that? Um... you DO tell your provider the AS

Re: question about AS relationship

2014-02-20 Thread Ricky Beam
On Thu, 20 Feb 2014 03:14:59 -0500, Song Li refresh.ls...@gmail.com wrote: I have one simple question: as for AS relationship, should customer tell its provider the AS# of its own customers, or the provider have the right to require its customers to do that? (Having been on both ends of

Re: question about AS relationship

2014-02-20 Thread Mark Tinka
On Thursday, February 20, 2014 08:09:35 PM Christopher Morrow wrote: so, yes. pleass tell your upstream your customers so proper filtering can be automated and implemented. don't turn up bgp customers without filtering, that kills kittens. For all the leaking I've seen in the last four

Re: question about AS relationship

2014-02-20 Thread Song Li
Thanks. In order to prevent route leaking, this imformation should be provided to providers. but another question, should the AS relationships between customer and its other neighbors (downstrem/peer/another provider) be private? -- Sky Li On Thursday, February 20, 2014 08:09:35 PM

Re: question about AS relationship

2014-02-20 Thread Mark Tinka
On Friday, February 21, 2014 07:37:52 AM Song Li wrote: Thanks. In order to prevent route leaking, this imformation should be provided to providers. Route leaking is not only from customers-to-providers. It can also be from providers-to-providers (and from peers-to- peers). The majority of

Re: question about AS relationship

2014-02-20 Thread Christopher Morrow
On Fri, Feb 21, 2014 at 12:37 AM, Song Li refresh.ls...@gmail.com wrote: Thanks. In order to prevent route leaking, this imformation should be provided to providers. but another question, should the AS relationships between customer and its other neighbors (downstrem/peer/another provider)

Re: question about AS relationship

2014-02-20 Thread Song Li
+--+ +-+ | provider1| |provider2| +--+ +-+ ^ ^ | | | | ++ ++---+++--+ |peer