讯享网

 <p><p style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 0px; margin-bottom: 0px; line-height: 2; padding: 0px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: bolder;">网络类问题包括以下类别问题：</span></p><ul style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 14px; margin-bottom: 14px; line-height: 1.2; padding: 0px 0px 0px 28px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li>节点出口带宽</li><li>节点测速带宽</li><li>节点nat非0</li><li>nat类型变化</li><li>出口IP变化</li><li>节点ping延时</li><li>节点ping丢包率</li><li>节点dns解析失败</li></ul><p style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 0px; margin-bottom: 0px; line-height: 2; padding: 0px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: bolder;">NAT非0优化</span></p><p style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 0px; margin-bottom: 0px; line-height: 2; padding: 0px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);">NAT类型与跑量关系<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>①卓越公网型：设备直接获取到公网IP最优（拨号或者DHCP或者手动配置）；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>②映射公网型：设备上层光猫或者路由器拿到公网IP，并且通过UPNP或者DMZ将设备端口映射到公网IP上次优；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>③全锥型：设备直接获取到运营商私网IP，NAT检测为完全圆锥型，依然对业务较为友善，利于跑量；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>④IP限制型：设备上层光猫或者路由器拿到运营商私网IP，本身光猫或者路由器NAT类型不为全对称，并且可以通过DMZ将设备端口映射到运营商私网IP上，业务可正常跑量；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>⑤其余NAT类型，不利于业务跑量，无收益，需要进一步调整网络结构。</p><p style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 0px; margin-bottom: 0px; line-height: 2; padding: 0px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: bolder;">网络指标优化思路</span></p><p style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; margin-top: 0px; margin-bottom: 0px; line-height: 2; padding: 0px; color: rgb(82, 82, 82); font-family: &quot;Helvetica Neue&quot;, NotoSansHans-Regular, AvenirNext-Regular, arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft Yahei&quot;, &quot;WenQuanYi Micro Hei&quot;, serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);">设备组网层级<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>尽量保证设备到公网的NAT层数最少，以下三种类型①&gt;②&gt;③<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>①设备直接获取到公网IP最优（PPPoE拨号或者DHCP或者手动配置）；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>②设备在一层NAT设备下次优（光猫或路由器）；<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>③设备在二层NAT设备下最差（光猫和路由器）做了两次NAT，需要调整光猫和路由器之间为桥接减少一层NAT。<br style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased;"/>④运营商光猫平时使用了路由模式，可以改为桥接模式，这样设备就可以直接PPPoE拨号了。</p>