C3900-universalk9-mz.spa.157-3.m8.bin Jun 2026

: Tailored for the Cisco 3900 series architecture, often used as primary MPLS or internet routers in enterprise data centers and head offices.

– If your organization must comply with PCI-DSS or HIPAA, replace the 3900 series with a C8300 or C8500 series ISR running IOS XE 17.x. C3900-universalk9-mz.spa.157-3.m8.bin

You should use C3900-universalk9-mz.spa.157-3.m8.bin if: : Tailored for the Cisco 3900 series architecture,