今天入手了思科 Cisco Linksys WRT54GC v2 版无线路由，但目前只在英国的 Linksys 站点上看到有新的固件更新，主要修复了一些 BUG 路由器的配置界面仍然只有英文，里面都是一些网络专业术语缩写，对于普通用户可能会有点难度。整个升级过程很快，建议拥有该无线路由器的用户尽快升级该固件，更新历史及固件下载地址如下：
更新历史： Last Update 11/12/2009 最后更新
Version 1.00.16
– NOTE: This is a web release of the firmware only, it does not support language packs (English only) and should not be used with the wizard that shipped with the product.
– NOTE: This firmware is NOT compatible with older versions of WRT54GC.
-Fixed issue reported with security in diagnostics page if a malicious site is opened while running the diagnosticsVersion 1.00.15
– NOTE: This is a web release of the firmware only, it does not support language packs (English only) and should not be used with the wizard that shipped with the product.
– NOTE: This firmware is NOT compatible with older versions of WRT54GC.
– Fixed password problems reported for Administrator log in
– Fixed issue with router ignoring DHCP TTL equal to 1 from the service provider
– Fixed issue with not being able to disable wireless LAN
– Fixed issue with clock running too fast
– Fixed issue with DNS and dynamic DHCP mode when using PPTPVersion 1.00.10
– Fixed issue with page not being displayed correctly after firmware upgrade
– Fixed issue with router mode
– Fixed issue with PPPoE on certain networks
– Fixed issue with UDP port security reported by Secunia and Danil Niggebrugge
– Fixed issue with daylight savings time changeVersion 1.00.07
– Fixed problems reported with BigPong/Telstra settingsVersion 1.00.06
– Initial release
下载页面：http://www.linksysbycisco.com/UK/en/support/WRT54GC/download
下载地址：http://downloads.linksysbycisco.com/
升级步骤：登陆路由器管理界面后，点击 Administration 选项卡切换到管理界面，然后点击 Firmware Upgrade 进入固件升级界面如下：然后点击“浏览”定位到你下载的固件目录后，点击 Upgrade 按钮会进入固件升级界面并提示会断开所有网络链接，上载固件完成后会自动进入升级固件的进程如下：
升级过程很快，期间会提示“不要关闭电源和点触复位按钮”，升级完成后会发现右上角的版本号已经有变化了。需要注意的是，建议在升级前恢复出厂设置并使用附赠的以太网电缆链接路由器，使用无线网直接升级并不推荐，但无论采取哪种方法尽量保证不要断电。另外，这些的版本号是下载固件的版本号，与路由器管理界面显示的版本号会有所区别如 1.00.15 对应到路由器为 1.01.5 等等。
思科中文网站随后也发布了更新的固件下载页面：http://www-cn.linksys.com/