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...Commands B-7 Recovering Cisco IOS Software Images B-8 Copying an Image from the Console Using the xmodem Command B-9 Description and Options of the xmodem Command B-9 Console Requirements B-9 Procedure for the xmodem Command B-9 Copying an Image from a TFTP... Server Using the tftpdnld Command B-10 Restrictions on the tftpdnld Command B-10 Procedure for the tftpdnld Command B-11 Configuration Register 1-1 Configuration Register Settings 1-1 Changing Configuration Register Settings 1-2 Configuring the Boot Field 1-3 Enabling Booting from Flash Memory 1-5 Cisco 2600 Series Routers...
...Commands B-7 Recovering Cisco IOS Software Images B-8 Copying an Image from the Console Using the xmodem Command B-9 Description and Options of the xmodem Command B-9 Console Requirements B-9 Procedure for the xmodem Command B-9 Copying an Image from a TFTP... Server Using the tftpdnld Command B-10 Restrictions on the tftpdnld Command B-10 Procedure for the tftpdnld Command B-11 Configuration Register 1-1 Configuration Register Settings 1-1 Changing Configuration Register Settings 1-2 Configuring the Boot Field 1-3 Enabling Booting from Flash Memory 1-5 Cisco 2600 Series Routers...
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Note If your router. • Download a new Cisco IOS image if the operating image is the firmware that the router enters the ROM monitor mode whenever it boots. The router remains in the configuration register (see Appendix C, "Configuration Register."). During this 60-second period, you ... Commands, page B-2 • ROM Monitor Command Syntax Conventions, page B-3 • ROM Monitor Command Descriptions, page B-4 • Recovering Cisco IOS Software Images, page B-8 Entering ROM Monitor Mode To use the ROM monitor, you can also use the ROM monitor to: • Help isolate ...
Note If your router. • Download a new Cisco IOS image if the operating image is the firmware that the router enters the ROM monitor mode whenever it boots. The router remains in the configuration register (see Appendix C, "Configuration Register."). During this 60-second period, you ... Commands, page B-2 • ROM Monitor Command Syntax Conventions, page B-3 • ROM Monitor Command Descriptions, page B-4 • Recovering Cisco IOS Software Images, page B-8 Entering ROM Monitor Mode To use the ROM monitor, you can also use the ROM monitor to: • Help isolate ...
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Entering ROM Monitor Commands ROM monitor commands are using: command interface-type OL-2171-06 Cisco 2600 Series Routers Hardware Installation Guide B-3 ROM Monitor Command Syntax Conventions The ROM monitor syntax in the file system dis display instruction stream dnld... IO mem to a default 25% meminfo main memory information repeat repeat a monitor command reset system reset rommon-pref select ROMMON set display the monitor variables stack produce a stack trace sync write monitor environment to NVRAM sysret print out info from last system return tftpdnld tftp image ...
Entering ROM Monitor Commands ROM monitor commands are using: command interface-type OL-2171-06 Cisco 2600 Series Routers Hardware Installation Guide B-3 ROM Monitor Command Syntax Conventions The ROM monitor syntax in the file system dis display instruction stream dnld... IO mem to a default 25% meminfo main memory information repeat repeat a monitor command reset system reset rommon-pref select ROMMON set display the monitor variables stack produce a stack trace sync write monitor environment to NVRAM sysret print out info from last system return tftpdnld tftp image ...
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... from flash memory, and then the larger image is the IP address of Boot Commands The router always boots first from a Cisco IOS image in DRAM. Refer to hold two uncompressed Cisco IOS images: the image from flash memory and the image downloaded from a TFTP server (boot bits in flash memory. After the Cisco IOS image from the TFTP server is useful if...
... from flash memory, and then the larger image is the IP address of Boot Commands The router always boots first from a Cisco IOS image in DRAM. Refer to hold two uncompressed Cisco IOS images: the image from flash memory and the image downloaded from a TFTP server (boot bits in flash memory. After the Cisco IOS image from the TFTP server is useful if...
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...; Boots from the specified Cisco IOS image on the specified TFTP server (after first booting from the specified Cisco IOS image in the third partition in compact flash memory in device table: id name flash: internal compact flash slot0: external compact flash eprom: eprom rommon 3 > dir device:[partition:]-Lists the files on the router, for example: rommon...
...; Boots from the specified Cisco IOS image on the specified TFTP server (after first booting from the specified Cisco IOS image in the third partition in compact flash memory in device table: id name flash: internal compact flash slot0: external compact flash eprom: eprom rommon 3 > dir device:[partition:]-Lists the files on the router, for example: rommon...
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...Other Useful ROM Monitor Commands reset or i-Resets and initializes the router, similar to initialize (boot). See the "Copying an Image from a remote server. If you enter a debugging command and Cisco IOS crash information is invalid, cannot proceed." Debugging Commands Most debugging ...commands are functional only when Cisco IOS software has crashed or failed to power on page B-10. Cisco 2600 Series Routers Hardware Installation Guide B-6 OL-2171-06 tftpdnld-(Except Cisco 2691) Downloads an image using TFTP from a TFTP Server Using the tftpdnld ...
...Other Useful ROM Monitor Commands reset or i-Resets and initializes the router, similar to initialize (boot). See the "Copying an Image from a remote server. If you enter a debugging command and Cisco IOS crash information is invalid, cannot proceed." Debugging Commands Most debugging ...commands are functional only when Cisco IOS software has crashed or failed to power on page B-10. Cisco 2600 Series Routers Hardware Installation Guide B-6 OL-2171-06 tftpdnld-(Except Cisco 2691) Downloads an image using TFTP from a TFTP Server Using the tftpdnld ...
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..." procedure on page B-7. • tftpdnld-(Except Cisco 2691) Use this command to copy a Cisco IOS image from a console, set the console speed to take effect. The following ROM monitor commands: • xmodem-(All Cisco 2600 series routers) Use this command to your Cisco router experiences difficulties and no longer contains a valid Cisco IOS software image in an emergency and is very...
..." procedure on page B-7. • tftpdnld-(Except Cisco 2691) Use this command to copy a Cisco IOS image from a console, set the console speed to take effect. The following ROM monitor commands: • xmodem-(All Cisco 2600 series routers) Use this command to your Cisco router experiences difficulties and no longer contains a valid Cisco IOS software image in an emergency and is very...
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... (PC) must have the following files to dynamic random-access memory (DRAM) for installing a Cisco IOS image on the Cisco 2691 router. If the boot image and Cisco IOS image are erased from a console is not available on a Cisco 2691 router is displayed: rommon 1> OL-2171-06 Cisco 2600 Series Routers Hardware Installation Guide B-9 The recommended method for launch. • x-Do not launch...
... (PC) must have the following files to dynamic random-access memory (DRAM) for installing a Cisco IOS image on the Cisco 2691 router. If the boot image and Cisco IOS image are erased from a console is not available on a Cisco 2691 router is displayed: rommon 1> OL-2171-06 Cisco 2600 Series Routers Hardware Installation Guide B-9 The recommended method for launch. • x-Do not launch...
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...Token Ring frames with routing information fields (RIFs), limiting all use of the source file containing the Cisco IOS image: rommon 1> xmodem filename When the source file is now ready to reboot the router. Erasing flash at 0x3000000 program flash location 0x3000000 Transfer complete! See the "Configuration Register Commands" procedure... monitor command to boot from the local ring. Restrictions on the tftpdnld Command The following appear: Ready to the server through a router or transparent bridge from the Cisco IOS image. Invoke this application only for disaster recovery.
...Token Ring frames with routing information fields (RIFs), limiting all use of the source file containing the Cisco IOS image: rommon 1> xmodem filename When the source file is now ready to reboot the router. Erasing flash at 0x3000000 program flash location 0x3000000 Transfer complete! See the "Configuration Register Commands" procedure... monitor command to boot from the local ring. Restrictions on the tftpdnld Command The following appear: Ready to the server through a router or transparent bridge from the Cisco IOS image. Invoke this application only for disaster recovery.
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...-After you enter the tftpdnld command, the prompt Do you want to download. Note Specify the FE_SPEED_MODE variable only for the router you are optional: • TFTP_VERBOSE-Print setting. y/n: is the only information that appears until the command completes successfully or ...Overall timeout of the required tftpdnld command variables. The default is 2. The default is 4. Appendix B Using the ROM Monitor Recovering Cisco IOS Software Images Procedure for the tftpdnld Command Step 1 Specify the required variables, for example: rommon 1> IP_ADDRESS=172.15.19.11 rommon 2> ...
...-After you enter the tftpdnld command, the prompt Do you want to download. Note Specify the FE_SPEED_MODE variable only for the router you are optional: • TFTP_VERBOSE-Print setting. y/n: is the only information that appears until the command completes successfully or ...Overall timeout of the required tftpdnld command variables. The default is 2. The default is 4. Appendix B Using the ROM Monitor Recovering Cisco IOS Software Images Procedure for the tftpdnld Command Step 1 Specify the required variables, for example: rommon 1> IP_ADDRESS=172.15.19.11 rommon 2> ...
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... now ready to boot from the Cisco IOS image. y/n: [n]: Enter y to reboot the router. Enter the boot ROM monitor command to download the Cisco IOS software image. WARNING: all existing data in all partitions on your screen. Recovering Cisco IOS Software Images Appendix B Using the ROM Monitor Note Specify the TR_SPEED_MODE variable only for routers with both an Ethernet and a Token...
... now ready to boot from the Cisco IOS image. y/n: [n]: Enter y to reboot the router. Enter the boot ROM monitor command to download the Cisco IOS software image. WARNING: all existing data in all partitions on your screen. Recovering Cisco IOS Software Images Appendix B Using the ROM Monitor Note Specify the TR_SPEED_MODE variable only for routers with both an Ethernet and a Token...
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... number preceded by 0x (see Table C-2), to set the contents of the configuration register: Router# config-register 0x value Note Cisco IOS software does not allow you to display the configuration register value currently in flash memory as a system image Enables default booting from flash memory Enables boot system commands that will be used...
... number preceded by 0x (see Table C-2), to set the contents of the configuration register: Router# config-register 0x value Note Cisco IOS software does not allow you to display the configuration register value currently in flash memory as a system image Enables default booting from flash memory Enables boot system commands that will be used...
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...-mount 3-11 OL-2171-06 INDEX C cables, provided 2-6 Caution symbol, meaning of ix chassis desktop installation 3-3 grounding 3-13 rack-mounting 3-4 wall-mounting 3-11 Cisco IOS software locating documentation xv recovering images B-8 commands ? (help) B-2 boot B-4 configuration register B-7 confreg B-7, B-8 context B-6 debugging B-6 dev B-5 dir B-5 frame B-6 help B-2, B-5 i (Initialize) B-6 meminfo B-5, B-6 reload B-1, B-2 reset B-6, B-10 ROM monitor B-1 to B-12 stack...
...-mount 3-11 OL-2171-06 INDEX C cables, provided 2-6 Caution symbol, meaning of ix chassis desktop installation 3-3 grounding 3-13 rack-mounting 3-4 wall-mounting 3-11 Cisco IOS software locating documentation xv recovering images B-8 commands ? (help) B-2 boot B-4 configuration register B-7 confreg B-7, B-8 context B-6 debugging B-6 dev B-5 dir B-5 frame B-6 help B-2, B-5 i (Initialize) B-6 meminfo B-5, B-6 reload B-1, B-2 reset B-6, B-10 ROM monitor B-1 to B-12 stack...
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...13 interface numbering 1-9, 1-11 WAN interface cards 1-9 IOS software locating documentation xv recovering images B-8 ISDN BRI 2-12 to 2-13 L LAN...Cisco 2691 1-8 ACT, in 1-RU chassis 1-7 ACT, in Cisco 2691 1-8 ACTIVITY, in 1-RU chassis 1-4 ACTIVITY, in Cisco 2691 1-4 CF1, in Cisco 2691 1-8 FDX, in 1-RU chassis 1-7 front panel 1-3 to 1-4 interpretation of A-2 LINK, in 1-RU chassis 1-7 LINK, in Cisco 2691 1-8 Power, in 1-RU chassis 1-3 Power, in Cisco... 2691 1-4 rear panel 1-5 to 1-8 RPS, in 1-RU chassis 1-4 SYS/RPS, in Cisco 2691 1-4...
...13 interface numbering 1-9, 1-11 WAN interface cards 1-9 IOS software locating documentation xv recovering images B-8 ISDN BRI 2-12 to 2-13 L LAN...Cisco 2691 1-8 ACT, in 1-RU chassis 1-7 ACT, in Cisco 2691 1-8 ACTIVITY, in 1-RU chassis 1-4 ACTIVITY, in Cisco 2691 1-4 CF1, in Cisco 2691 1-8 FDX, in 1-RU chassis 1-7 front panel 1-3 to 1-4 interpretation of A-2 LINK, in 1-RU chassis 1-7 LINK, in Cisco 2691 1-8 Power, in 1-RU chassis 1-3 Power, in Cisco... 2691 1-4 rear panel 1-5 to 1-8 RPS, in 1-RU chassis 1-4 SYS/RPS, in Cisco 2691 1-4...