Cisco 2600XM Series Installation Guide download pdf (Page 8)

Step C

Follow the steps as described below:

Attach a terminal or PC with terminal emulation to the console port of the router. Use the following

terminal settings:

9600 baud rate♦

No parity♦

8 data bits♦

1 stop bit♦

No flow control♦

The required console cable specifications are described in Cabling Guide for Console and AUX Ports.

Using the power switch, turn the router off and then turn it back on.

Press Break on the terminal keyboard within 60 seconds of the power−up to put the router into

ROMMON − diagnostic test mode.

Tip: If the break sequence doesn't work, refer to Standard Break Key Sequence Combinations During

Password Recovery for other key combinations.

Type confreg 0x2142 at the rommon 1> prompt to boot from Flash without loading the configuration.3.

Type reset at the rommon 2> prompt. The router reboots, but ignores its saved configuration. Thus, it

ignores the iomem command and uses the default value.

Type no after each setup question, or press Ctrl−C to skip the initial setup procedure.5.

Type enable at the Router> prompt. This puts you in enable mode where you will see the Router#

prompt.

Important: Do not type, at this point, configure terminal.

Type copy startup−config running−config to copy the non−volatile RAM (NVRAM) into memory.

Type show running−config. The show running−config command shows the configuration of the

router. In this configuration, you can see the "memory−size iomem" line.

Type configure terminal and remove the memory−size iomem command, or change it to the correct

one (calculated with the 2600/3600/3700 Memory Calculator (

registered customers only

) ).

The prompt is now Router(config)#.

Type config−register 0x2102.10.

Press Ctrl−z or type end to leave the configuration mode.

The prompt is now Router#.

11.

Type copy running−config startup−config to commit the changes.12.

Turn off the router, reseat the NM and WIC, and turn the router on again. It should boot up fine.13.

Step D

If your router doesn't have enough DRAM memory, you can:

upgrade the DRAM memory of your router, or•

load a Cisco IOS software image in Flash which requires less I/O and processor memory•

Refer to the Hardware−Software Compatibility and Memory Requirements section if you wish to load a new

Cisco IOS software image.

Cisco − Hardware Troubleshooting for the Cisco 2600 Series Router

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