升级 Cisco 6015/6130/6160/6260 NI-2 DSLAM 的 Cisco IOS 软件

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已更新: 2008 年 2 月 26 日
文档 ID:6121

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简介

本文档包含升级Cisco NI-2 DSLAM的分步过程。必须在 TCP/IP 就绪工作站上安装 TFTP 服务器或远程复制协议 (RCP) 服务器应用。一旦安装了应用程序，则必须执行最低配置。首先，TFTP应用程序必须配置成TFTP服务器，而不是用作TFTP客户端。其次，必须指定出站文件目录。这是存储Cisco IOS®软件映像的目录。大多数 TFTP 应用会提供一个帮助执行这些配置任务的设置例程。

开始使用前 

规则

有关文档规则的详细信息，请参阅 Cisco 技术提示规则。

先决条件

本文档没有任何特定的前提条件。

使用的组件

本文档不限于特定的软件和硬件版本。

升级 Cisco IOS 软件镜像

使用以下步骤升级Cisco IOS软件映像。

  1. 在 TFTP 服务器的出站目录中安装新的 Cisco IOS 软件镜像。

    TFTP服务器在此目录中查找DSLAM的Cisco IOS软件映像。确保您想复制到您的闪存的镜像位于此目录中。

    每个映像的内存要求也位于TFTP服务器的出站目录中。使用 show version 命令，确认您有足够的内存。 

    DSLAM#show version
Cisco Internetwork Operating System Software
IOS (tm) NI2 Software (NI2-DSL-M), Version 12.1(5)DA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Thu 07-Dec-00 19:27 by pnicosia
Image text-base: 0x800082C0, data-base: 0x811EA000
ROM: System Bootstrap, Version 12.0(5)DA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
BOOTFLASH: NI2 Software (NI2-DBOOT-M), Version 12.1(3)DA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
6130A uptime is 1 day, 18 hours, 19 minutes
System returned to ROM by power-on
System restarted at 16:11:23 PST Wed Feb 14 2001
System image file is "flash:ni2-dsl-mz.121-5.DA.bin"
cisco 6130 (NI2) processor with 60416K/5120K bytes of memory.
RC64475 CPU at 100Mhz, Implementation 48, Rev 0.0
Bridging software.
1 Ethernet/IEEE 802.3 interface(s)
4 ATM network interface(s)
522232 bytes of non-volatile configuration memory.
4096K bytes of Boot Flash (Sector size 256K).
16384K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x2102

  2. 建立到DSLAM的控制台会话。

    这可以通过直接控制台连接或虚拟Telnet连接执行。首选直接控制台连接，因为Telnet连接在软件安装的重新启动阶段将丢失（请参阅步骤9）。 控制台连接使用反转电缆（平黑或蓝色电缆），并将DSLAM的控制台端口连接到PC的COM端口。

  3. 在PC上启动HyperTerminal并使用以下设置：

    • 9600 bps

    • 8个数据库

    • 0 个奇偶校验位

    • 1 个停止位

    • 无流控制

  4. 检验TFTP服务器是否具有与DSLAM的IP连接。

    TFTP服务器必须具有到DSLAM的网络连接，并且必须能ping DSLAM的IP地址，以进行TFTP软件升级。为此，DSLAM接口和TFTP服务器必须具备：

    • IP地址在同一范围或；

    • 配置了默认网关。

    要验证，请检查TFTP服务器的IP地址。

    注意：在验证与TFTP服务器的网络连接后，在DSLAM上发出write memory命令，将所有更改写入内存中。 

    DSLAM#write memory
Building configuration...
[OK]
DSLAM#

  5. 验证bootflash映像是ni2-dboot-mz.121-5.da1或ni2-dboot-mz.121-4.da。如果是，请转到步骤14。如果不是，请转到步骤6以在bootflash中腾出空间。 

    DSLAM#dir bootflash:
Directory of bootflash:/

1  -rw-     3361208   Jan 01 2000 00:05:11  ni2-dboot-mz.121-2.DA
 
3801088 bytes total (439752 bytes free)

  6. 通过删除当前引导映像的名称在bootflash中腾出空间。 

    DSLAM#delete bootflash:ni2-dboot-mz.121-2.DA.bin
Delete filename [ni2-dboot-mz.121-2.DA.bin]?
Delete bootflash:ni2-dboot-mz.121-2.DA.bin? [confirm]

  7. 使用squeeze bootflash命令恢复bootflash中的可用空间。

    DSLAM#squeeze bootflash
All deleted files will be removed. Continue? [confirm]
Squeeze operation may take a while. Continue? [confirm]
Squeeze of bootflash complete

  8. 将启动映像复制到bootflash。

    DSLAM#copy tftp://171.69.89.140/ni2-dboot-mz.121-5.DA1.bin bootflash:
Destination filename [ni2-dboot-mz.121-5.DA1.bin]?
Accessing tftp://171.69.89.140/ni2-dboot-mz.121-5.DA1.bin...
Loading ni2-dboot-mz.121-5.DA1.bin from 171.69.89.140 (via Ethernet0/0): !!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 3405392/6810624 bytes]
 
3405392 bytes copied in 57.676 secs (59743 bytes/sec)

  9. 进入全局配置模式，将配置寄存器设置为0x0000，以便NI-2在ROM监控(ROMmon)模式下重新启动。 

    DSLAM#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
DSLAM(config)#config-register 0X0
DSLAM(config)#exit

  10. 保存运行配置并重置系统。

    DSLAM#copy running-config startup-config
Destination filename [startup-config]?
Building configuration...
[OK]

DSLAM#reload
Proceed with reload? [confirm]

*Jan 10 02:11:43.397: %SYS-5-RELOAD: Reload requested
System Bootstrap, Version 12.0(5)DA1, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
Copyright (c) 1999 by cisco Systems, Inc.
NI2 platform with 65536 Kbytes of main memory

  11. 如果在输入set命令后看到BOOTLDR，则bootflash中的映像已用作引导程序；转到步骤13。否则，转到步骤12并输入命令，强制系统使用ni2-dboot-mz.121-5.bin作为引导程序。 

    rommon 1 > set

  12. 使用unset BOOTLDR删除变量并同步以保存ROMmon的状态，然后重新启动。

    当NI-2启动时，它使用ni2-dboot-mz.121-5da.bin作为引导程序。 

    rommon 2 > unset BOOTLDR

rommon 3 > sync

  13. 将配置寄存器设回0x2102并重置系统。 

    rommon 4 > confreg 0x2102
rommon 5 > reset

  14. 显示闪存文件的名称（以ni2 — 开头），并将其用作步骤15中的文件名。 

    DSLAM#dir flash:
Directory of flash:/

    1  -rw-     9447084   Jan 01 2000 00:13:03  ni2-dsl-mz.121-5.DA1.bin

15990784 bytes total (6543572 bytes free)

  15. 删除步骤14中找到的闪存文件名。重复步骤14和步骤15，直到闪存中的所有文件都被删除。

    DSLAM#delete flash:ni2-dsl-mz.121-5.DA1.bin
Delete filename [ni2-dsl-mz.121-5.DA1.bin]?
Delete flash:ni2-dsl-mz.121-5.DA1.bin? [confirm]

  16. 恢复闪存中的可用空间。 

    DSLAM#squeeze flash:
All deleted files will be removed. Continue? [confirm]
Squeeze operation may take a while. Continue? [confirm]
 
Squeeze of flash complete

  17. 将Cisco IOS软件映像从TFTP服务器复制到闪存。

    DSLAM#copy tftp: flash:
Address or name of remote host [171.69.89.140]?
Source filename [ni2-dsl-mz.122-1b.DA.bin]?
Destination filename [ni2-dsl-mz.122-1b.DA.bin]?
Accessing tftp://171.69.89.140/ni2-dsl-mz.122-1b.DA.bin...
Loading ni2-dsl-mz.122-1b.DA.bin from 171.69.89.140 (via Ethernet0/0): !!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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[OK - 9447084/18893824 bytes]
 
9447084 bytes copied in 128.940 secs (73805 bytes/sec)

  18. 进入全局配置模式并禁用从系统引导。保存对启动配置的更改并重新加载系统以升级映像。

    DSLAM(config)#no boot system
 DSLAM(config)#end
 DSLAM(config)#write memory
 DSLAM(config)#reload

  19. 确认运行映像为ni2-dsl-mz.122-1b.da。否则，请转至步骤17。 

    DSLAM#show version
Cisco Internetwork Operating System Software
IOS (tm) NI2 Software (NI2-DSL-M), Version 12.2(1b)DA, EARLY DEPLOYMENT RELEASE
SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Mon 20-Aug-01 14:13 by torowe
Image text-base: 0x80008308, data-base: 0x814CC000

ROM: System Bootstrap, Version 12.0(5)DA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
BOOTLDR: NI2 Software (NI2-DBOOT-M), Version 12.2(1b)DA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)

DSLAM uptime is 28 minutes
System returned to ROM by reload at 00:06:58 UTC Sat Jan 1 2000
System image file is "flash:ni2-dsl-mz.122-1b.DA.bin"

cisco 6100 (NI2) processor with 60416K/5120K bytes of memory.
RC64475 CPU at 100Mhz, Implementation 48, Rev 0.0
Bridging software.
1 Ethernet/IEEE 802.3 interface(s)
8 DMT DSL Port interface(s)
4 ATM network interface(s)
522232 bytes of non-volatile configuration memory.

4096K bytes of Boot Flash (Sector size 128K).
16384K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x2102

  20. 清除bootflash内存中的所有信息。回答y以确认所有问题。当DSLAM返回EXEC提示符时，bootflash内存已成功格式化并准备使用。确保bootflash总为3.8 MB。否则，请转至步骤14。 

    DSLAM#format bootflash:
Format operation may take a while. Continue? [confirm]
Format operation will destroy all data in "bootflash:".  Continue? [confirm]
Formatting sector 1
Format of bootflash: complete

  21. 将启动映像从TFTP服务器复制到bootflash。

    DSLAM#copy tftp://171.69.89.140/ni2-dboot-mz.122-1b.DA.bin bootflash:
Destination filename [ni2-dboot-mz.122-1b.DA.bin]?
Accessing tftp://171.69.89.140/ni2-dboot-mz.122-1b.DA.bin...
Loading ni2-dboot-mz.122-1b.DA.bin from 171.69.89.140 (via Ethernet0/0): !!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 3712100/7424000 bytes]
 
3712100 bytes copied in 69.476 secs (53798 bytes/sec)

  22. 重新加载DSLAM，使其从新的Cisco IOS软件映像启动。

    DSLAM#reload

  23. 通过发出show version命令，确认从新Cisco IOS软件映像启动的DSLAM。 

    DSLAM#show version

    show version 命令的输出应显示升级后的 Cisco IOS 软件镜像的名称。

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