: A ROMmon upgrade may be necessary to support the Version 15 code base if the router is currently running older firmware. 4. Strategic Significance
Binary software image
Modern BGP networking uses 4-byte Autonomous System numbers (ASNs). The 15.2 release train is required to peer with ISPs that have migrated away from the old 2-byte format. c2800nm+adventerprisek9+mz+152+1+t+bin