: Log into Cisco SmartNet portal, verify your contract covers this image, and schedule a maintenance window for upgrade. This article is for informational purposes based on Cisco’s public documentation. Always consult official release notes for your specific hardware revision before upgrading.
| Feature | Standard (e.g., 152-6.e) | Extended (152-7.e) | | :--- | :--- | :--- | | New hardware/software features | Yes | No (security/stability only) | | Patch frequency | Every 8–12 weeks | Every 6 months (critical only) | | Support duration | 1 year | 3–5 years | | Recommended for production | No (testing only) | | cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
copy tftp: flash: # Source: cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin # Destination: flash: (same filename) Verify checksum: : Log into Cisco SmartNet portal, verify your
| | 15.2(7)E (this image) | IOS-XE 16.x/17.x | | :--- | :--- | :--- | | Programmability | NETCONF (limited) | RESTCONF, gNMI | | Container support | No | Yes (IOx) | | End-of-Support | 2025 (estimate) | Active | | Upgrade path | To 15.2(8)E | Hardware migration to 9300/9400 | | Feature | Standard (e