To share what I've learned !

How to retrieve the data from modules 1st one is easy but its a long way , i prefer 2nd way. 1) attach more disk0:  2)  copy dfc#modnumber -disk0 : ftp://username:pass@ Reference: http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008072c406.shtml#crashinfo

Turboboot is the process we need to proceed to install XR from the scratch . i've observed following behaviour while loading the image (c12k-mini.vm-3.6.2) file from TFTP. Even I've configured the ip address as 192.168.189.1 the bootloader requesting the image from 192.168.100.1 / 1.1.1.1 ( source ip address ) - rommon 6 > set PS1=rommon ! > RET_2_RUTC=1151664252 NT_K=0:0:0:0 RANDOM_NUM=2127452086 SRPCFG=00002000002000000000000000000000 BOOTLDR= CONFGEN=248 CHASSIS_SN=TBM11472326 RET_2_RTS=10:29:35 QST Sun Mar 10 2013 RET_2_RCALTS=1362900734 IOX_ADMIN_CONFIG_FILE= ReloadReason=67 BSI=0 BOOT_DEV_SEQ_CONF= BOOT_DEV_SEQ_OPER= TURBOBOOT=on,disk0,format IP_SUBNET_MASK=255.255.255.0 DEFAULT_GATEWAY=192.168.189.2 IP_ADDRESS=192.168.189.1