Critics argue that 15.2 is too heavy for the 2800’s CPU (a RISC Qorlo at ~300-400 MHz). However, empirical tests show:

Dual onboard 10/100 or 10/100/1000 Fast/Gigabit Ethernet interfaces

: Advanced Enterprise Services (K9 signifies cryptographic capabilities). mz : Indicates it runs in memory ( m ) and is compressed ( z ). 152-1 : Refers to Cisco IOS Release 15.2(1)T. full : Indicates a full features set.

(or .bin ): Indicates the un-trimmed, comprehensive binary payload containing the full suit of packages without feature omissions. Hardware Requirements and RAM/Flash Sizing

Router boots into ROMmon (ROMMON>)

c2800nm - adventerprisek9 - m z . 152 - 1 . T .bin | | | | | | Platform Feature RAM Zip Release Release Set Loc Engine Type