Step 2: Copy the ROMMON image to the ASA flash memory: Step 3: Upgrade the ROMMON image: Step 4: Confirm the reload when prompted on the ASA. sh clock - shows date and time on router. If it wasn't already, I pressed the Mode button for about 10 seconds after powering on the switch to get it to the ROMMON mode.1(10)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1) program load complete, entry point: 0x4018060, size: 0x1e1568 Restricted Rights Legend Describe the process for entering ROMMON mode. Why in ROMmon Mode Here are some reasons why switch could wind up in ROMmon mode from Cisco doc: A switch reload or crash after the image was corrupted or deleted. You can pick up a working 2600 router to revive. Here is the correct If you are able to access the router, enter in show version at the prompt screen, and document the configuration register setting. To update the IOS software copy the IOS image to the flash and enter (in config mode): Version InternalName ComponentName 16052011 show platform 19071712(optional) CBR-CCAP-SUP-160G CPLD SupervisorCPLD 170724E0 show platform 190717E1(optional) CBR-CCAP-SUP-250G CPLD CBR-CCAP-SUP-160G 16. When a router/switch stuck in ROMMON mode, the first thing you need to check is the configuration register value.What happened was 1st switch got upgraded the router and IOS version, confreg may not work, as is the case of the 2500. You can also use different methods to back up or restore an iOS image. (Syntax: "VARIABLE_NAME=value" and use "set" to show current variables. 01 by rel Current ROMMON image : Primary Rommon Image Last reset cause:PowerOn C9500-48Y4C platform with 16777216 Kbytes of main memory Preparing to autoboot. rommon 4 > priv Password: You now have access to the full set of monitor commands. bin rommon 4 > show boot BOOT variable = cat4000. ciscoasa# show version Look toward the end of "show version" and you should see something similar to: Configuration register is 0x2014 Change Config-Register to 0x1 ciscoasa#Conf t ciscoasa#(config)> config-register 0x1 ciscoasa#(config)>boot system flash:/asa-k9. Enter the show rom-monitor slot or show platform command to check the version of ROMmon running on any RP, ESP, or SIP in your Cisco ASR 1000 Series Router. The Compact Flash which holds the system image has been removed. Show rommon version Checking ROMMON version Confusingly, checking ROMMON version is available in at least three commands.
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