If you’re already on a recent 17.x IOS XE train, 173-1r is the de facto standard. It’s not flashy, but it fixes real-world boot and security issues that can take down remote routers. Just ensure you meet the IOS XE version prerequisite and schedule a reload window. Recommended for all ASR 1000 deployments on IOS XE 17.3+.
Explain the between Active and Standby RP upgrades. Let me know what you'd like to do! Share public link
Document the active ROMMON version to confirm whether an upgrade is necessary. Router# show platform | include ROMMON Use code with caution.
Follow this sequence to safely copy, verify, and program the new ROMMON image into the router's non-volatile boot flash memory. Step 1: Copy the ROMMON Package to the Router
You must upgrade both the active and standby RPs. asr1000-rommon.173-1r.spa.pkg
: Newer versions of IOS XE often require a minimum ROMMON version to boot correctly.
It provides the necessary low-level microcode to support newer line cards, shared port adapters (SPAs), and Route Processors (such as the RP2 and RP3) running newer Cisco IOS XE codebases.
Run show rommon (or show platform on some versions) to see your current ROMmon version.
Router# copy tftp://192.168.1.50/asr1000-rommon.173-1r.spa.pkg bootflash: Use code with caution. If you’re already on a recent 17
Router# copy tftp://192.168.1.10/asr1000-rommon.173-1r.spa.pkg bootflash: Use code with caution. 2. Verify File Integrity
Router# upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg slot R0 Use code with caution.
Upgrading router firmware is a critical maintenance task. ROMMON version 17.3(1r)SPA delivers several structural improvements for production networks.
Use the upgrade rom-monitor command pointing to your specific target slot. For integrated chassis or single-RP setups, use R0 . Recommended for all ASR 1000 deployments on IOS XE 17
rommon 1> boot bootflash:asr1000rp1-adventerprisek9.03.16.10.S.155-3.S10-ext.bin Use code with caution.
, once you upgrade to version 17.3(1r), you to an earlier ROMMON version.
Modular chassis utilizing standalone Route Processors like the RP3 .