Using 32 bit ASN numbers

Marshall Eubanks tme at multicasttech.com
Fri Aug 29 15:58:31 CDT 2008



On Aug 29, 2008, at 4:50 PM, Haven Hash wrote:

> Concerning 32 bit AS numbers, are organizations which are granted 32  
> bit AS
> numbers given any multicast address space?
>
> If so is it possible to figure out what this space is from the ASN  
> ala GLOP
> (233.ASN.ASN.x)?
>

Yes, and yes.

The space they are given is the GLOP space !

See

http://www.multicasttech.com/faq/#GLOP

and

http://www.shepfarm.com/multicast/glop.html

Regards
Marshall

> Thanks,
>
> Haven Hash
>
> On Fri, Aug 29, 2008 at 1:12 PM, Arie Vayner <ariev at vayner.net> wrote:
>
>> Pender,
>>
>> One small correction... For 7600, 12.2SR, the support would come  
>> out in
>> 12.2SRD
>>
>> Arie
>>
>> On Fri, Aug 29, 2008 at 6:44 PM, Pender, James <James.Pender at paetec.com
>>> wrote:
>>
>>>
>>> These are the dates I have for Cisco platforms:
>>>
>>> IOS XR 3.4 - September 2007
>>> IOS 12.0(32)S11 - November 2008
>>> IOS 12.2SRE - December 2008
>>> IOS 12.5(1)T - April 2009
>>>
>>> -----Original Message-----
>>> From: andy lam [mailto:anwalam at yahoo.com]
>>> Sent: Friday, August 29, 2008 11:29 AM
>>> To: nanog at merit.edu; Brian Raaen
>>> Subject: Re: Using 32 bit ASN numbers
>>>
>>>
>>> Cisco IOS XR Software Release 3.4.0 adds support for BGP  
>>> Authentication
>> Key
>>> Chaining, BGP 4-Byte Autonomous System Number (ASN), and BGP Next  
>>> Hop
>>> tracking enhancements.
>>>
>>>
>> http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.4/general/release/notes/reln_34.html#wp239046
>>> BGP 4-Byte ASN-Increases the range of supported autonomous systems  
>>> from 2
>>> bytes to 4 bytes to scale with expected Internet growth.
>>>
>>> 12.2SR* is supposed to be in late 2008, but has not yet been  
>>> announced
>>> publicly.
>>>
>>>
>>> Juniper it's in JUNOS 9.1 as farr as I can tell.
>>>
>>>
>>> --- On Fri, 8/29/08, Brian Raaen <braaen at zcorum.com> wrote:
>>>
>>> From: Brian Raaen <braaen at zcorum.com>
>>> Subject: Using 32 bit ASN numbers
>>> To: nanog at merit.edu
>>> Date: Friday, August 29, 2008, 11:04 AM
>>>
>>> I am doing some research for our company regarding 32 bit ASN  
>>> numbers.  I
>>> am
>>> trying to locate information about vendor and service provider  
>>> support.
>> In
>>> particular I have not been able to find what Cisco IOS image I  
>>> would need
>>> to
>>> load on our router to support 32 bit ASN's.  I also want to know  
>>> what
>>> experience people have had with service provider support of 32 bit  
>>> ASN's
>>>
>>> --
>>> Brian Raaen
>>> Network Engineer
>>> braaen at zcorum.com
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>





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