: This software train has reached its End-of-Sale (EoS) and End-of-Life (EoL) milestones. The last day to order this software release was November 10, 2020.
You should use C3900-universalk9-mz.spa.157-3.m8.bin if: C3900-universalk9-mz.spa.157-3.m8.bin
: This could denote a specific build identifier or maintenance release. : This software train has reached its End-of-Sale
Even with a stable image like 15.7(3)M8, engineers face specific hurdles. engineers face specific hurdles.
