Sorry if it is not the right forum, but I'm trying to get a grip on 32Bits ASN 
on Cisco 

I see that feature is available on 12.4(24)T 
http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6554/ps6599/data_sheet_C78-521821.html
 

Which is available only for "new gear". I don't know how new is the 
1800,2800,3800 series, but I know networks still running on 2500 and 2600. 

So does it mean that to get 32bit ASN you need to get new gear? 

Seems to me 12.4(24)T is relatively new, and that this feature is not available 
on the mainline IOS 12.4? 

So in one hand RIR allocates 32bit ASN, but on the other hand, it is hard to 
implement it on current equipment? Is that a (un)fair assessment? 

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