[c-nsp] Cisco 6506E 4Byte ASN IOS Support

Jon Lewis jlewis at lewis.org
Thu Apr 7 18:34:02 EDT 2016

On Thu, 7 Apr 2016, Jason Berenson wrote:

> Greetings,
> We're currently running a handful of 6506E's in our network for edge routers. 
> We're running this IOS:
> s72033-advipservicesk9_wan-mz.122-18.SXF6.bin
> I need to upgrade it to support 4Byte ASN's.  We're running some basic 
> BGP/OSPF with 10G interfaces and full tables.  If anyone has any 
> recommendations on which IOS to upgrade to I'd greatly appreciate it.
> Looking for stability over everything and 4Byte ASN support.


Good luck with the reboots.  You are aware of the "bad memory" issue you 
might run into causing cards working today to not make it through a 

  Jon Lewis, MCP :)           |  I route
                              |  therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________

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