Re: [Pana] FW: I-D Action:draft-yegin-pana-unspecified-addr-00.txt

Richard Pruss <ric@cisco.com> Tue, 02 March 2010 10:09 UTC

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From: Richard Pruss <ric@cisco.com>
In-Reply-To: <000f01cab9ee$ae7049f0$0b50ddd0$@yegin@yegin.org>
Date: Tue, 02 Mar 2010 20:09:38 +1000
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References: <0f3c01cab94e$20eb7550$62c25ff0$@yegin@yegin.org> <8BD4156F-8173-49ED-8EBA-4EAC718C54DD@cisco.com> <128701cab9df$b211d880$16358980$@yegin@yegin.org> <88D0FBF0-088B-4ED9-B4D9-B1E6468C9F1D@cisco.com> <000f01cab9ee$ae7049f0$0b50ddd0$@yegin@yegin.org>
To: Alper Yegin <alper.yegin@yegin.org>
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Subject: Re: [Pana] FW: I-D Action:draft-yegin-pana-unspecified-addr-00.txt
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Well the protection of the ARP table will simply drop your packets specification
because they are not DHCP and do not have a valid IP address and thus illegal.

http://tools.ietf.org/html/draft-baker-sava-cisco-ip-source-guard-00

Have you thought of running PANA over DHCP instead.

On 02/03/2010, at 7:56 PM, Alper Yegin wrote:

> Ric, you have to be really specific.
> You are not explaining what specific problem you are seeing, and I'm not
> able to imagine.
> Why would ARP break, please tell us. Both DHCP and Mobile IPv4 already work
> with unspecified IP addresses.
> 
> 
>> -----Original Message-----
>> From: Richard Pruss [mailto:ric@cisco.com]
>> Sent: Tuesday, March 02, 2010 10:17 AM
>> To: Alper Yegin
>> Cc: pana@ietf.org
>> Subject: Re: [Pana] FW: I-D Action:draft-yegin-pana-unspecified-addr-
>> 00.txt
>> 
>> 
>> On 02/03/2010, at 6:09 PM, Alper Yegin wrote:
>> 
>>>> This will break networks in so many ways it is hard to even predict.
>>>> What will the average ARP implementation do with this horror.
>>> 
>>> Please elaborate.
>> 
>> You really do like to answer a question with a question,
>> What will ARP do with the packets of your draft?
>> All parts of ARP, gratuitous, probe, arp learning, spoofing protection,
>> it all seems to fall apart.
>> 
>> 
>>> 
>>> 
>>> 
>>>> On 02/03/2010, at 12:47 AM, Alper Yegin wrote:
>>>> 
>>>>> 
>>>>> Comments are welcome.
>>>>> 
>>>>> 
>>>>> -----Original Message-----
>>>>> From: i-d-announce-bounces@ietf.org [mailto:i-d-announce-
>>>> bounces@ietf.org]
>>>>> On Behalf Of Internet-Drafts@ietf.org
>>>>> Sent: Monday, March 01, 2010 3:00 PM
>>>>> To: i-d-announce@ietf.org
>>>>> Subject: I-D Action:draft-yegin-pana-unspecified-addr-00.txt
>>>>> 
>>>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>>>> directories.
>>>>> 
>>>>> 	Title           : Protocol for Carrying Authentication for
>>>> Network
>>>>> Access (PANA) with IPv4 Unspecified Address
>>>>> 	Author(s)       : A. Yegin, Y. Ohba
>>>>> 	Filename        : draft-yegin-pana-unspecified-addr-00.txt
>>>>> 	Pages           : 9
>>>>> 	Date            : 2010-03-01
>>>>> 
>>>>> This document defines how PANA client (PaC) can perform PANA
>>>> authentication
>>>>> prior to configuring an IP address.
>>>>> 
>>>>> A URL for this Internet-Draft is:
>>>>> http://www.ietf.org/internet-drafts/draft-yegin-pana-unspecified-
>>>> addr-00.txt
>>>>> 
>>>>> Internet-Drafts are also available by anonymous FTP at:
>>>>> ftp://ftp.ietf.org/internet-drafts/
>>>>> 
>>>>> Below is the data which will enable a MIME compliant mail reader
>>>>> implementation to automatically retrieve the ASCII version of the
>>>>> Internet-Draft.
>>>>> 
>>>>> _______________________________________________
>>>>> Pana mailing list
>>>>> Pana@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/pana
>>> 
>