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先使用命令查看当前FWSM的版本，结果如下面黑色加粗显示
FWSM# sh ver
FWSM Firewall Version 2.3(4)
FWSM Device Manager Version 4.1(5)
Compiled on Tue 18-Apr-06 20:28 by dalecki
FWSM up 33 mins 35 secs
Hardware: WS-SVC-FWM-1, 1024 MB RAM, CPU Pentium III 1000 MHz
Flash 20061221SMART CF @ 0xc321, 20MB
0: gb-ethernet0: irq 5
1: gb-ethernet1: irq 7
2: ethernet0: irq 11
Licensed Features:
Failover: Enabled
×××-DES: Enabled
×××-3DES: Enabled
Maximum Interfaces: 256
Cut-through Proxy: Enabled
Guards: Enabled
URL-filtering: Enabled
Throughput: Unlimited
ISAKMP peers: Unlimited
查看FWSM的版本,发现是2.3(4),现在要把它升级到c6svc-fwm-k9.4-0-17.bin.
由于2.3版本使用的是PIX的命令模式，所以需要先简单的配置一下FWSM，以便能够从网络访问。
nameif vlan5 inside security100
ip address inside 10.1.1.1 255.255.255.0
access-list acl_inside extended permit ip any any
access-group acl_inside in interface inside
route inside 0.0.0.0 0.0.0.0 10.1.1.2 1
icmp permit any inside
interface inside
no shutdown
使用命令升级FWSM
FWSM# copy tftp://10.32.15.105/c6svc-fwm-k9.4-0-17.bin flash:p_w_picpath
copying tftp://10.32.15.105/c6svc-fwm-k9.4-0-17.bin to flash:p_w_picpath
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Received 6390272 bytes.
Erasing current p_w_picpath.This may take some time..
Writing 6389760 bytes of p_w_picpath.
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Image installed.
FWSM#
至此升级成功。
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当前名称：FWSM升级——由2.3版本升级成4.0版本-创新互联
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