问题解答 | 8个常见交换机问题解答
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powered-by="xiumi.us"><section style="color: rgb(214, 214, 214);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">康康小课堂</p></section></section><section style="margin-right: 0%;margin-bottom: 20px;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 28px;color: rgb(69, 69, 69);line-height: 1;letter-spacing: 0px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">交换机常见问题解答</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 22 22 0%;background-color: rgba(198, 224, 252, 0.35);height: auto;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);flex: 100 100 0%;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;margin-left: 16px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 7px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(233, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-position: 0% 0%;background-repeat: repeat;background-size: 4.0018%;background-attachment: scroll;padding-top: 10px;align-self: flex-start;flex: 0 0 auto;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6eccRcjGKdKgjc3e9W2ibjPj7ib0WQe8J0CxEx5ibdpscs2ZB0lIL44lSrax1KibCqCKOGITaMhJObLg/640?wx_fmt=png");box-sizing: border-box;"><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(161, 167, 195);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(161, 167, 195);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;align-self: flex-start;flex: 0 0 auto;width: auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(161, 167, 195);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;overflow: hidden;height: 7px;width: 7px;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(161, 167, 195);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;font-size: 16px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">1</strong></span><strong style="box-sizing: border-box;"></strong> <strong>PoE交换机和普通交换机有什么区别？</strong></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">普通交换机只能实现数据传输，而PoE交换机还支持<strong style="box-sizing: border-box;">通过网线</strong><strong style="box-sizing: border-box;">给终端供电</strong>。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">使用PoE交换机后，减少了大量的电源线连接，在一定程度上提高了用电安全：PoE技术通过网线传输直流电，针对输出电流在网线中的传输采取了一系列安全保护措施（短路、过载、浪涌保护等）。</p></section></section></section><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(161, 167, 195);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(161, 167, 195);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;align-self: flex-start;flex: 0 0 auto;width: auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(161, 167, 195);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;overflow: hidden;height: 7px;width: 7px;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(161, 167, 195);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;font-size: 16px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">2 </strong></span><strong style="box-sizing: border-box;"></strong><strong>普通IPC（不支持PoE）可以接到PoE</strong></p><p style="white-space: normal;box-sizing: border-box;"><strong>交</strong><strong>换机上吗？</strong></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">可以</strong>。</p><p style="white-space: normal;box-sizing: border-box;">交换机的芯片会自动检测端口连接的设备，智能识别是否支持PoE，<strong style="box-sizing: border-box;">对于不支持PoE的设备，交换机不会供电</strong>，所以不用担心烧坏IPC。</p></section></section></section><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(161, 167, 195);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(161, 167, 195);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;align-self: flex-start;flex: 0 0 auto;width: auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(161, 167, 195);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;overflow: hidden;height: 7px;width: 7px;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(161, 167, 195);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">3 </strong></span><strong style="box-sizing: border-box;"></strong><strong><span style="font-size: 16px;box-sizing: border-box;">交换容量与包转发率有什么区别？</span></strong><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;border-width: 0px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">交换容量</strong>是从数据总量的维度体现交换机的交换能力，通过该值我们知道交换机单位时间内能够处理的最大数据量是多少。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">包转发率</strong>以数据包为单位体现交换机的交换能力，透过该值我们知道交换机单位时间内能处理的数据包有多少。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">二者并无直接关系，只是从不同的维度对交换机的性能做了一个参考描述而已。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section></section></section></section><section style="margin: -20px 0% 10px;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);flex: 100 100 0%;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;margin-left: 16px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 7px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(233, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="margin-top: -20px;margin-right: 0%;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-position: 0% 0%;background-repeat: repeat;background-size: 4.0018%;background-attachment: scroll;padding-top: 10px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6eccRcjGKdKgjc3e9W2ibjPj7ib0WQe8J0CxEx5ibdpscs2ZB0lIL44lSrax1KibCqCKOGITaMhJObLg/640?wx_fmt=png");box-sizing: border-box;"><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(213, 194, 248);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 7px;height: 7px;vertical-align: top;overflow: hidden;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(213, 194, 248);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">4 </strong></span><strong><span style="font-size: 16px;box-sizing: border-box;">交换机的Combo口是什么？有</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong><span style="font-size: 16px;box-sizing: border-box;">什么作用？</span></strong><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">Combo接口（光电复用口）是指设备面板上的两个以太网接口（1个电口和1个光口），而在设备内部只有一个转发接口。</p><p style="white-space: normal;box-sizing: border-box;">G1和G1-F、G2和G2-F同一时刻只能使用1个，如果同时使用，则只有光口G1-F、G2-F有效。</p></section></section></section><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(213, 194, 248);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 7px;height: 7px;vertical-align: top;overflow: hidden;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(213, 194, 248);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">5 </strong></span><strong style="box-sizing: border-box;"></strong><strong><span style="font-size: 16px;box-sizing: border-box;">交换机的组网架构是什么样的？如何</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong><span style="font-size: 16px;box-sizing: border-box;">搭</span></strong><strong><span style="font-size: 16px;box-sizing: border-box;">建网络呢？</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 14px;line-height: 1.8;color: rgb(127, 127, 127);letter-spacing: 1px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">核心层</strong>：实现骨干网络之间的优化传输。</p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">汇聚层</strong>：连接接入层和核心层，为接入层提供数据的汇聚、传输、管理和分发处理等。</p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">接入层</strong>：网络中直接面向用户连接和访问的部分。</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(213, 194, 248);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 7px;height: 7px;vertical-align: top;overflow: hidden;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(213, 194, 248);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">6 </strong></span><strong style="box-sizing: border-box;"></strong><strong><span style="font-size: 16px;box-sizing: border-box;">300米远距离传输时，网络信号和</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong><span style="font-size: 16px;box-sizing: border-box;">电信</span></strong><strong><span style="font-size: 16px;box-sizing: border-box;">号是否能同时传输？</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 14px;line-height: 1.8;color: rgb(127, 127, 127);letter-spacing: 1px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">300米远距离供电和网络信号时可以同时达到的，这二者互不影响。但<strong style="box-sizing: border-box;">前提是传输的摄像机必须是海康威视品牌，且网线必须是海康威视CAT5E网线。</strong></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section></section></section></section><section style="margin: -30px 0% 10px;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);flex: 100 100 0%;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;margin-left: 16px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 7px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(233, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-position: 0% 0%;background-repeat: repeat;background-size: 4.0018%;background-attachment: scroll;padding-top: 10px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6eccRcjGKdKgjc3e9W2ibjPj7ib0WQe8J0CxEx5ibdpscs2ZB0lIL44lSrax1KibCqCKOGITaMhJObLg/640?wx_fmt=png");box-sizing: border-box;"><section style="margin: -20px 0% 10px;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(213, 194, 248);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 7px;height: 7px;vertical-align: top;overflow: hidden;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(213, 194, 248);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">7 </strong></span><strong style="box-sizing: border-box;"></strong><strong><span style="font-size: 16px;box-sizing: border-box;">拨码开关的作用是什么？</span></strong><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">非网管PoE交换机正面板有硬件拨码开关，每个开关控制8个端口，当拨码开关拨向ON时，对应的交换机端口就可以支持300米远距离供电和信号传输。</p></section></section></section><section style="margin: 10px 0%;transform: translate3d(-17px, 0px, 0px);justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;border-width: 1px;border-style: solid;border-color: rgb(213, 194, 248);background-image: linear-gradient(110deg, rgb(219, 225, 255) 0%, rgb(240, 244, 255) 27%, rgb(240, 244, 255) 65%, rgb(248, 229, 255) 100%);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 3px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-width: 0px 0px 1px;border-style: solid;border-color: rgb(127, 127, 127) rgb(127, 127, 127) rgb(213, 194, 248);background-color: rgb(232, 244, 255);box-shadow: rgb(255, 255, 255) 0px 4px 0px inset;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 10%;max-width: 100%;height: auto;margin-left: 15px;border-left: 1px dotted rgb(213, 194, 248);border-bottom-left-radius: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: left;margin: 14px 0% -7px;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 7px;height: 7px;vertical-align: top;overflow: hidden;border-width: 1px;border-radius: 10px;border-style: solid;border-color: rgb(213, 194, 248);box-shadow: rgb(255, 255, 255) 0px 3px 0px inset;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;border-width: 0px;flex: 0 0 auto;align-self: flex-start;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="margin-top: 3px;margin-right: 0%;margin-left: 0%;transform: translate3d(-4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(121, 135, 233);line-height: 2;letter-spacing: 1px;padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">8 </strong></span><strong style="box-sizing: border-box;"></strong><strong><span style="font-size: 16px;box-sizing: border-box;">交换机工作时，LINK/ACT/PoE </span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong><span style="font-size: 16px;box-sizing: border-box;">STATUS指示灯不亮，如何排查？</span></strong><span style="font-size: 16px;box-sizing: border-box;"></span></p></section></section></section></section></section></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="line-height: 1.9;color: rgb(127, 127, 127);letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">1）交换机与对端设备未连接好，请重新连接好两端设备并保持接触良好；</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">2）网线长度超过标准距离，请设法把设备间的网线长度减少到标准距离以内（使用超五类网线：协商100Mbps时≤100米，开启网络延长模式并协商10Mbps时≤250米）。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">3）PoE STATUS指示灯不亮时，登录到交换机Web网管页面，确保该端口的PoE供电功能已启用；查看交换机的PoE-MAX指示灯，如果亮起，请重新调整受电设备，确保PoE-MAX指示灯不亮。</p></section></section></section><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-bottom: 20px;padding-left: 20px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 1px;line-height: 1.8;color: rgb(127, 127, 127);letter-spacing: 1px;box-sizing: 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