cisco6509 CatOS 转换为Native IOS实际过程
作者：
引擎：WS-SUP720-3B 主备各一块
线路卡：WS-X6148X2-45AF 五块。
Cisco CompactFlash Memory Card, 128 MB 2块。
该设备原为cisco ios模式，但因当时IOS不支持WS-X6148X2-45AF 线路卡所以采用CatOS模式以支持上述线路卡,后思科推出支持的IOS版本s72033-advipservicesk9_wan-mz.122-18.SXF.bin，客户要求再次改为IOS版本。此两块 CompactFlash Memory Card曾在原IOS模式下格式化过，在此次升级过程中两种模式下（catos和IOS）竟都能写入。以下为升级过程：
1。首先将备份引擎拔下（支持热插拔），在catOS下将IOS映象文件拷入CompactFlash Memory Card 中。因IOS大小为70多兆所以用TFTP无法传也不可靠，所以用FTP传输，输入set ftp username；set ftp password 设置好调用的FTP用户名和密码。执行：
SWITCH_1> (enable) copy ftp disk0:
IP address or name of remote host <172.21.239.40>?
Username for ftp?
Password for User ftp<>:
Name of file to copy from ? s72033-advipservicesk9_wan-mz.122-18.SXF.bin
127893504 bytes available on device disk0, proceed (y/n) ? y
Loading s72033-advipservicesk9_wan-mz.122-18.SXF.bin
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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File disk0:s72033-advipservicesk9_wan-mz.122-18.SXF.bin checksum verified and is Ok.
File has been copied successfully.
SWITCH_1> (enable) dir disk0:
2 -rw- 76599844 Sep 17 2005 09:52:11 s72033-advipservicesk9_wan-mz.122-18.SXF.bin
51290112 bytes available (76603392 bytes used)
2。查看当前交换机启动变量。寄存器值为0x2102,下一步将修改此值为0x0
SWITCH_1> (enable) sh boot
BOOT variable = bootflash:cat6000-sup720cvk8.8-4-3.bin,1;
CONFIG_FILE variable = bootflash:switch.cfg
Configuration register is 0x2102
ignore-config: disabled
auto-config: non-recurring, overwrite, sync disabled
ROMMON console baud: 9600
boot: image specified by the boot system commands
Image auto sync is enabled
Image auto sync timer is 120 seconds
3.修改寄存器值为0x0
SWITCH_1> (enable) set boot config-register 0x0
Configuration register is 0x0
ignore-config: disabled
auto-config: non-recurring, overwrite, sync disabled
ROMMON console baud: 9600
boot: the ROM monitor
4。确认此值已修改，并reset。
SWITCH_1> (enable) sh boot
BOOT variable = bootflash:cat6000-sup720cvk8.8-4-3.bin,1;
CONFIG_FILE variable = bootflash:switch.cfg
Configuration register is 0x0
ignore-config: disabled
auto-config: non-recurring, overwrite, sync disabled
ROMMON console baud: 9600
boot: the ROM monitor
Image auto sync is enabled
Image auto sync timer is 120 seconds
SWITCH_1> (enable) reset
5。系统重启进入ROMMON模式。输入SET查看环境变量。
System Bootstrap, Version 8.1(3)
Copyright (c) 1994-2004 by cisco Systems, Inc.
Cat6k-Sup720/SP processor with 524288 Kbytes of main memory
rommon 1 >
rommon 2 > set
PS1=rommon ! >
LOG_PREFIX_VERSION=1
SLOTCACHE=cards;
BSI=0
ACL_DENY=0
PF_REDUN_CRASH_COUNT=0
RET_2_RTS=00:28:49 PDT Thu Jul 14 2005
RET_2_RCALTS=1121326129
CONFIG_FILE=bootflash:switch.cfg
BOOT=bootflash:cat6000-sup720cvk8.8-4-3.bin,1;
PROFILE_FILE=
?=0
6。输入CONFIG_FILE=将该变量值清空。输入sync写入到NVRAM中，再reset,系统重启进入ROMMON模式。
rommon 3> CONFIG_FILE=
rommon 4> set
PS1=rommon ! >
LOG_PREFIX_VERSION=1
SLOTCACHE=cards;
BSI=0
ACL_DENY=0
PF_REDUN_CRASH_COUNT=0
RET_2_RTS=00:28:49 PDT Thu Jul 14 2005
RET_2_RCALTS=1121326129
BOOT=bootflash:cat6000-sup720cvk8.8-4-3.bin,1;
PROFILE_FILE=
?=0
CONFIG_FILE=
rommon 5> SYSNC
monitor: command "SYSNC" not found
rommon 6> sync
rommon 7 > reset
System Bootstrap, Version 8.1(3)
Copyright (c) 1994-2004 by cisco Systems, Inc.
Cat6k-Sup720/SP processor with 524288 Kbytes of main memory
rommon 1 > dir disk0:
Directory of disk0:
2 76599844 -rw- s72033-advipservicesk9_wan-mz.122-18.SXF.bin
Disk0中存在我们将要用以启动的IOS映象。
7。启动IOS映象文件。
rommon 2 > boot disk0:s72033-advipservicesk9_wan-mz.122-18.SXF.bin
Loading image, please wait ...
Self extracting the image...
Self decompressing the image : ################################################################################
#################
以下启动过程略
System Bootstrap, Version 12.2(17r)S2, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 2004 by cisco Systems, Inc.
Cat6k-Sup720/RP platform with 524288 Kbytes of main memory
Download Start
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cisco WS-C6509-E (R7000) processor (revision 1.1) with 458720K/65536K bytes of memory.
Processor board ID SMG0922N0VW
SR71000 CPU at 600Mhz, Implementation 0x504, Rev 1.2, 512KB L2 Cache
Last reset from power-on
SuperLAT software (copyright 1990 by Meridian Technology Corp).
X.25 software, Version 3.0.0.
Bridging software.
TN3270 Emulation software.
1 Virtual Ethernet/IEEE 802.3 interface
480 FastEthernet/IEEE 802.3 interfaces
2 Gigabit Ethernet/IEEE 802.3 interfaces
1917K bytes of non-volatile configuration memory.
8192K bytes of packet buffer memory.
上述启动信息部分省略，完全启动至整个线路卡识别状态为OK，大约用了十多分钟。
Router#s mod
Mod Ports Card Type Model Serial No.
--- ----- -------------------------------------- ------------------ -----------
1 96 96-port 10/100 Mbps RJ45 WS-X6148X2-RJ-45 SAD091506P4
2 96 96-port 10/100 Mbps RJ45 WS-X6148X2-RJ-45 SAD09110B0U
3 96 96-port 10/100 Mbps RJ45 WS-X6148X2-RJ-45 SAD091605JK
4 96 96-port 10/100 Mbps RJ45 WS-X6148X2-RJ-45 SAD09110B3G
6 2 Supervisor Engine 720 (Active) WS-SUP720-3B SAD092303GG
7 96 96-port 10/100 Mbps RJ45 WS-X6148X2-RJ-45 SAD091307AL
Mod MAC addresses Hw Fw Sw Status
--- ---------------------------------- ------ ------------ ------------ -------
1 0012.80f1.7648 to 0012.80f1.76a7 1.1 8.2(2) 8.5(0.46)RFW Ok
2 0012.8005.f3de to 0012.8005.f43d 1.1 8.2(2) 8.5(0.46)RFW Ok
3 0013.60b2.66cc to 0013.60b2.672b 1.1 8.2(2) 8.5(0.46)RFW Ok
4 0012.8006.0848 to 0012.8006.08a7 1.1 8.2(2) 8.5(0.46)RFW Ok
6 0011.5cab.6858 to 0011.5cab.685b 4.4 8.1(3) 12.2(18)SXF Ok
7 0012.8006.26f8 to 0012.8006.2757 1.1 8.2(2) 8.5(0.46)RFW Ok
8。检查转换后运行的IOS版本，正确无误。
Router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(18)SXF, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Sat 10-Sep-05 01:18 by ccai
Image text-base: 0x40101040, data-base: 0x42D60000
ROM: System Bootstrap, Version 12.2(17r)S2, RELEASE SOFTWARE (fc1)
BOOTLDR: s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(18)SXF, RELEASE SOFTWARE (fc1)
9。用IOS格式格式化sup-bootflash
Router#format sup-bootflash:
Format operation may take a while. Continue?
Format operation will destroy all data in "sup-bootflash:". Continue?
Format of sup-bootflash complete
Router#dir sup-bootflash:
Directory of sup-bootflash:/
No files in directory
65536000 bytes total (65536000 bytes free)
10。该步为可选步骤，用来验证闪存卡是否可写入，若能写入则不用再格化。可用较小的IOS文件用TFTP协议往disk0写入IOS文件。此次转换过程中发现可以写入，所以没重新格式化闪存卡，也省去了再传IOS的步骤。
11。修改启动参数。下次启动交换机时直接用disk0中的IOS映象启动。保存
Router(config)#boot system flash disk0:s72033-advipservicesk9_wan-mz.122-18.SXF.bin
Router(config)#
Router#wr m
Building configuration...
12。显示交换处理器的寄存器值，因在catos模式下我们修改交换处理器的寄存值为0x0，所以最后还要将其修改回0x2102.
Router#remote command switch show boot
BOOT variable = bootflash:cat6000-sup720cvk8.8-4-3.bin,1;
CONFIG_FILE variable does not exist
BOOTLDR variable does not exist
Configuration register is 0x0
Router(config)#config-register 0x2102
Router(config)#
Router#wr m
Building configuration...
Router#remote command switch show boot
BOOT variable = disk0:s72033-advipservicesk9_wan-mz.122-18.SXF.bin,1;
CONFIG_FILE variable does not exist
BOOTLDR variable does not exist
Configuration register is 0x0 (will be 0x2102 at next reload)
Router#reload
至此主引擎转换完毕。关闭电源，将拔出主引擎，插入备份引擎，重复上述将其转换。备份引擎转换成功后，可直接将主引擎插入。此时备份引擎处于active 状态，而主引擎处于hot standby状态。等主引擎完全启动后，可将备份引擎插拔一次，这样将恢复成主为active 备为hot standby。
该版本下redundancy模式为SSO模式，因此在插拔任何一块引擎情况下，ping包没有丢失
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