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Re: Link-local IPv6 addresses in URIs

François-Xavier Le Bail <fx.lebail@yahoo.com> Fri, 18 November 2011 15:33 UTC

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Date: Fri, 18 Nov 2011 07:33:01 -0800
From: François-Xavier Le Bail <fx.lebail@yahoo.com>
Subject: Re: Link-local IPv6 addresses in URIs
To: Kerry Lynn <kerlyn2001@gmail.com>, Tomoyuki Sahara <sahara@surt.net>
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>________________________________
> From: Kerry Lynn <kerlyn2001@gmail.com>
>To: Tomoyuki Sahara <sahara@surt.net> 
>Cc: 6man <ipv6@ietf.org> 
>Sent: Friday, November 18, 2011 3:53 AM
>Subject: Re: Link-local IPv6 addresses in URIs
> 
>
>
>On Thu, Nov 17, 2011 at 9:27 PM, Tomoyuki Sahara <sahara@surt.net> wrote:
>
>Hi,
>>
>>That sounds good to me too.
>>
>>
>>> My ABNF is pretty rusty, so I offer the following extension to the RFC 3986
>>> IPv6address rule only as a starting point:
>>> / "FE80::" [ *3( h16 ":" ) h16 ] [ "%" 1*4(ALPHA / DIGIT) ]
>>
>>I have some comments:
>>
>> - An interface name may be longer than 4 characters.  But I know we should
>>   have some limit so I suggest 15 because it's maximum length of interface
>>   name on *BSD and Linux systems.
>>
>> - FYI, there was an attempt to define textual representation of zone id:
>>   http://tools.ietf.org/html/draft-ietf-ipngwg-scoping-arch-04#section-12
>>
>> - Can we have a dot in interface name?  On Linux systems, VLAN interfaces
>>   have one.  An example in the draft above has "%pvc1.3" (may be an ATM
>>   interface?).
>>
>>
>Thanks for the reference.  I'll take a look at it before revising the ABNF again.

Hi,

In Linux, you can use any character in VLAN interface name :
examples:
ip link add link eth0 name eth0.5  type vlan id 5
ip link add link eth0 name eth0-6  type vlan id 6
ip link add link eth0 name eth0#7  type vlan id 7
ip link add link eth0 name eth0-8  type vlan id 8
ip link add link eth0 name eth0+9  type vlan id 9
ip link add link eth0 name eth0_10  type vlan id 10
ip link add link eth0 name eth0,11  type vlan id 11
ip link add link eth0 name eth0:::12  type vlan id 12
ip link add link eth0 name eth0.+-  type vlan id 13

Thanks,
Francois-Xavier

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