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Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note

OL-3008-01

Appendix A Identifying Hardware Problems with the ROM Monitor

ROM Monitor Commands

An example of this command is as follows:

boot c4gwy-io3s-mz 172.15.19.11

• b filename boots the named Cisco IOS software from the boothelper image. (The boothelper is the

downloaded image that downloads the IOS image.) This method of booting is necessary if the device

ID is unrecognizable.

Note If the device does not have an image or if the Flash is corrupt, the Flash ID might be lost.

You can override the default setting for the boothelper image by pointing the BOOTLDR monitor

environment variable to another image. (Any system image can be used for this purpose.)

boot command options are as follows:

• -x downloads the image and puts it into memory, but does not execute.

• -v (“verbose”) prints detailed information while downloading the image.

To display the running image, enter the show version and show hardware IOS commands.

dir device: [partition:]

Enter the dir device [partition] command to list the files on the named device. An example of this

command is as follows:

rommon 8 > dir flash:

File size Checksum File name

2229799 bytes (0x220627) 0x469e c4gwy-io3s-mz-j-m2.113-4T

meminfo

Enter the meminfo command to display the following details of main memory:

• nbyte size

• Starting address

• Available range of main memory

• Starting point and size of packet memory

• Size of nonvolatile memory (NVRAM)

An example of this command is as follows:

rommon 9 > meminfo

Main memory size: 32 MB.

Available main memory starts at 0xa000e000, size 32704KB

IO (packet) memory size: 25 percent of main memory.

NVRAM size: 256KB

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Cisco WS-X4604-GWY - VoIP Gateway Spezifikationen Seite 148