[112860] in North American Network Operators' Group
Re: Redundant AS's
daemon@ATHENA.MIT.EDU (Robert E. Seastrom)
Sun Mar 22 23:03:25 2009
To: bmanning@vacation.karoshi.com
From: "Robert E. Seastrom" <rs@seastrom.com>
Date: Sun, 22 Mar 2009 23:03:16 -0400
In-Reply-To: <20090323024522.GA2012@vacation.karoshi.com.>
(bmanning@vacation.karoshi.com's message of "Mon,
23 Mar 2009 02:45:22 +0000")
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
bmanning@vacation.karoshi.com writes:
> On Sun, Mar 22, 2009 at 10:56:06PM +0000, Nick Hilliard wrote:
>> On 21/03/2009 16:36, bmanning@vacation.karoshi.com wrote:
>> > er... 'parm me sir, but aren't -all- ASNs 4 bytes?
>> >
>> > i mean, for lo these many years we cheated and only
>> > used the first two bytes... but the spec always
>> > called out four bytes.
>>
>> There seems to be a bug in my router:
>>
>> >router(config)#router bgp 196641
>> > ^
>> >% Invalid input detected at '^' marker.
>> >
>> >router(config)#
>>
>> Do you know of anyone I could call who can fix this?
>>
>> Nick
>
>
> your using the wrong protocol.. :)
> or the wrong version of a vendors code.
> try EGP and you should be fine w/ 4byte ASNs.
rfc 827, page 3:
Autonomous systems will be assigned 16-bit identification
numbers (in much the same ways as network and protocol numbers
are now assigned), and every EGP message header contains one word
for this number.
-r
