cisco 2918 User Guide
Catalyst 2918 交换机入门指南
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Cisco Systems, Inc.
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传真： 408 526-4100
文本部件号： 78-18434-01
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT
NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT
ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR
THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION
PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO
LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class
A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.
The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate
radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television
reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in
part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation.
However, there is no guarantee that interference will not occur in a particular installation.
Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class
A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct
any interference to radio or television communications at your own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco
equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by
using one or more of the following measures:
• Turn the television or radio antenna until the interference stops.
• Move the equipment to one side or the other of the television or radio.
• Move the equipment farther away from the television or radio.
• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television
or radio are on circuits controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as
part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.
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NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.
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DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR
INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
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Catalyst 2918 交换机入门指南
© 2008 Cisco Systems, Inc. All rights reserved.
入门指南
关于本指南
本指南提供如何使用快速设置来初次配置 Catalyst 交换机的指示。本指南还
包括交换机管理选项、基本机架安装步骤、端口和模块连接、电源连接步骤
和故障排除帮助。
关于 Catalyst 2918 交换机的其它安装和配置信息，请访问 Cisco.com 参
见 Catalyst 2918 文档。关于系统要求、重要注释、限制、公开及已解决
的错误和最新的文档升级版，请同样访问 Cisco.com 参见版本注释。
使用在线出版物时，请参阅与交换机上运行的 Cisco IOS 软件版本相匹配
的文档。软件版本位于交换机后面板上的 Cisco IOS 标签上。
关于对此本出版物中出现的警告的解释，请参见与本指南一起提供的
Catalyst 2918 交换机规范依从和安全信息
。
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Catalyst 2918 交换机入门指南
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取出所需部件
取出所需部件
采取如下步骤：
1. 打开包装，将交换机和附件工具包从装运箱中取出。
2. 将包装材料放回集装箱中，保存以备将来使用。
3. 确认已经收到 装运箱所含物 一节中说明的零件。如有任何物品遗失或
损坏，请联系 Cisco 代表或代理商，获得指示。某些型号的交换机可能
含有 “装运箱所含物”中未说明的其它零件。
您所提供的用以运行快速设置的设备
您需要提供此设备来运行快速设置：
• 个人电脑
• 以太网 (Category 5) 直通电缆 （如图所示）
入门指南
Catalyst 2918 交换机入门指南
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入门指南
装运箱所含物
取出所需部件
1
Catalyst 2918 交换机
2
两个 19 英寸的安装托架
3
四个 12 号十字头机用螺丝
4
四个 8 号十字大圆头螺钉
5
六个 8 号十字平头螺钉
6
电缆导管
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一个黑色十字头机用螺丝
8
文档
9
四个橡胶安装脚
10
交流电源线
11
控制台电缆
Catalyst 2918 交换机入门指南
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运行快速设置
运行快速设置
首次设置交换机时，应当使用快速设置输入初始 IP 信息。这将使交换机能
够连接至本地路由器和互联网。然后可以在日后配置时通过此 IP 地址访问
交换机。
如要运行快速设置：
入门指南
第1步
第2步
第3步
第4步
第5步
确认没有任何设备连接至交换机，因为在快速设置期间交换机作为 DHCP 服务器使用。
如果个人电脑具备静态 IP 地址，在开始操作之前，应将个人电脑设置更改为暂时使用
DHCP。
用交流电源线将交换机连接至正确接地的交流电插座。开始通电自检 (POST)。在 POST
期间，一系列测试证实交换机正常工作时，LED 会闪烁。POST 期间 LED 的行为是不可
预见的，且可能各有不同。
等待直至交换机完成 POST。交换机完成 POST 需花费几分钟的时间。
通过确认系统 LED 是否快速闪烁为绿色来确定 POST 是否已完成。如果交换机的 POST
失败，系统 LED 变成琥珀色。
POST 错误通常是致命的。如果交换机的 POST 失败，立即致电给 Cisco Systems。
按住模式按钮 3 秒钟。模式按钮
上方的所有 LED 都变为绿色时，
松开模式按钮。
如果在按下按钮之后模式按钮上
方的 LED 开始闪烁，松开按钮。
闪烁的 LED 说明交换机配置已经
完成，不能进入快速设置模式。
关于更多信息，参见第
17 页的
“重置交换机”一节。
第6步
4
通过确认模式按钮上方的所有 LED 都为绿色来确定交换机处于快速设置模式。
Catalyst 2918 交换机入门指南
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