As of 2026, in production. Here is the unvarnished truth:
Cisco stopped publishing security fixes for the 2800 Series after 2020. Consequently, Use it only in trusted, air-gapped, or well-firewalled internal networks. c2800nm adventerprisek9 mz 152 1 full
: Support for analog and digital voice modules, fax services, and integrated call processing via Cisco Unified Call Manager Express (CME) Survivable Remote Site Telephony (SRST) Routing & Data As of 2026, in production
Router boots into ROMmon (ROMMON>)
: Provides sophisticated traffic management capabilities, ensuring that critical business applications receive the necessary network resources. As of 2026
delete flash:old-image.bin squeeze flash: