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How to Use the BootROM Menu to Download and Install a New Image to an EXOS Switch

  • Article Type:
  • How To
  • Article Number:
  • 000083340
  • Last Modified:
  • 5/15/2018


How to use the BootROM menu to TFTP download a new image to the switch


  • EXOS All


1.  Before rebooting the switch, connect to the switch via the serial console port.

2.  Reboot the switch. While the switch is booting, press and hold <spacebar> when prompted to enter the BootROM.

* Summit X450 *
Version by Release-Manager on Thu 04/07/05
Copyright 2003-2005, Extreme Networks, Inc.

Press and hold the <spacebar> to enter the bootstrap.

Starting Primary Bootloader ...

Running POST... PASSED

Version by Release-Manager on Wed 06/01/05
Copyright 2003-2005, Extreme Networks, Inc.

Press and hold the <spacebar> to enter the bootrom.

BootRom >                       
BootRom > h
    boot  boot an image                                      
  loader  Sets which BootLoader BootStrap will boot          
  reboot  Reboot system (hard reset)                         
      rz  zmodem download                                    
    show  display information                                
  config  select configuration                               
  enable  enable features                                    
       h  on-line help                                       
    help  on-line help                                       
       ?  on-line help                                       
      hi  display command history                            
     dir  list contents of CF directory                      
      cd  change working CF directory                        
     pwd  print working CF directory                         
    ping  ping remote host                                   
configip  configure the bootloader ip address                
  showip  show the configuration of the bootloader ip address
download  download an image

3.  Configure the IP address for the management port:
BootRom > configip ipaddress gateway

4.  Ping the TFTP server holding the image to make sure there is connectivity:
Note: The management port is used for pinging, and downloading the image.
BootRom > ping
PING ( 56 data bytes
64 bytes from icmp_seq=0 ttl=128 time=0.358 ms
64 bytes from icmp_seq=1 ttl=128 time=0.290 ms
64 bytes from icmp_seq=2 ttl=128 time=0.293 ms
64 bytes from icmp_seq=3 ttl=128 time=0.294 ms

--- ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.290/0.300/0.358 ms

5.  Download the new image:
BootRom > download image summitX450-
Loading file: tftp://|Loading file: /dev/ram@0x880
Entry address is 86000058
Executing the image

PMON tar. Version: 1.0

Loaded vmlinux at 0x8A000000, 2954344 (0x2D1468) bytes
Application filename: /dev/ram@0x8A000000,2D1468.
Loading vmlinux: /dev/ram@0x8A000000,2D1468.
/dev/ram@0x8A000000,2D1468 loaded okay.
PMON tar returning to PMON.

client return: 0
Loading file: /dev/ram@0x8A000000\
Entry address is 85000000

Rescue mode will ERASE ALL DATA, download a new EXOS image and install it.  No data of any kind will be preserved.
Ok to continue? (Y/N) y
**** Initializing management port ipaddress netmask 
**** Gateway
**** Downloading rescue image to ramdisk
**** Partitioning Disk Device
**** Formatting Partitions: Please be patient...
**** Formatting Partition 1 of 8
**** Formatting Partition 2 of 8
**** Formatting Partition 3 of 8
**** Formatting Partition 4 of 8
**** Formatting Partition 5 of 8
**** Formatting Partition 6 of 8
**** Formatting Partition 7 of 8
**** Formatting Partition 8 of 8
**** Mounting Partitions
**** Checking Image Wrapper
**** Extract Upgrade Script
**** Execute Upgrade Script
Installing EXOS
**** Clearing Nvram
***** press ENTER to reboot:

After pressing <enter>, the switch will boot with the new image.

Additional notes