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---
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title: "[筆記] 在openwrt 中檢查網路埠的連接速度/ Check Port Speed in Openwrt"
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date: 2020-07-15T10:35:01+08:00
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noSummary: false
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categories: ['筆記']
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image: https://h.cowbay.org/images/post-default-10.jpg
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tags: ['openwrt']
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author: "Eric Chang"
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keywords:
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- openwrt
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---
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最近在玩ansible + openwrt + wireguard
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ansible 腳本寫好之後，可以把config 佈署到 openwrt 上
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當然前提是最好用同樣的機器，不同的機器在config 上會有一些差異
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但是這些差異常常就會造成無法連線、無法使用的狀況
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BTW 我是用 ubiquiti 的 edgerouter X 來做
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都弄好之後，就想說來跑個iperf3 測試一下連線速度
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也好和之前做的 IPSEC 比較一下
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結果很奇怪的是，明明一樣的機器、一樣用ansible 跑出來的config
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但是有一台edgerouter X 的VPN 連接速度就是特別慢
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而且速度都剛好卡在 99.X Mb 左右
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就讓我很納悶了...
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<!--more-->
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於是想說來檢查一下網路孔的狀態
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但是因為openwrt 精簡了很多指令，所以一些linux 上常用的指令都看不到實際的連線速度
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後來終於找到這一篇
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https://forum.openwrt.org/t/change-interface-br-lan-from-100-mb-to-1-gigabit-help-me/21914
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其中有提到這個指令
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```shell
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swconfig dev switch0 show
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```
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所以在有問題的那台機器跑一次，結果就發現了port0 的連線速度只有100BaseT
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```shell
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root@OpenWrt-15:~# swconfig dev switch0 show
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Global attributes:
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enable_vlan: 1
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mib: Switch MIB counters
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PPE_AC_BCNT0: 0
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PPE_AC_PCNT0: 0
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PPE_AC_BCNT63: 0
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PPE_AC_PCNT63: 0
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PPE_MTR_CNT0: 0
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PPE_MTR_CNT63: 0
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GDM1_TX_GBCNT: 0
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GDM1_TX_GPCNT: 0
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GDM1_TX_SKIPCNT: 0
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GDM1_TX_COLCNT: 0
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GDM1_RX_GBCNT1: 0
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GDM1_RX_GPCNT1: 0
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GDM1_RX_OERCNT: 0
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GDM1_RX_FERCNT: 0
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GDM1_RX_SERCNT: 0
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GDM1_RX_LERCNT: 0
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GDM1_RX_CERCNT: 0
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GDM1_RX_FCCNT: 0
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GDM2_TX_GBCNT: 0
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GDM2_TX_GPCNT: 0
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GDM2_TX_SKIPCNT: 0
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GDM2_TX_COLCNT: 0
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GDM2_RX_GBCNT: 0
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GDM2_RX_GPCNT: 0
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GDM2_RX_OERCNT: 0
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GDM2_RX_FERCNT: 0
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GDM2_RX_SERCNT: 0
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GDM2_RX_LERCNT: 0
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GDM2_RX_CERCNT: 0
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GDM2_RX_FCCNT: 0
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Port 0:
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mib: Port 0 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 6861716
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TxMulti : 8
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TxBroad : 12
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 4056
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Tx65Byte : 11645
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Tx128Byte : 13210
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Tx256Byte : 249
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Tx512Byte : 169
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Tx1024Byte : 6832407
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TxByte : 10238376166
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RxDrop : 0
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RxFiltered : 49
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RxUni : 963037
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RxMulti : 1200795
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RxBroad : 54114
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 56679
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Rx65Byte : 117104
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Rx128Byte : 1359908
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Rx256Byte : 181766
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Rx512Byte : 198823
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Rx1024Byte : 303666
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RxByte : 889985596
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 2
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link: port:0 link:up speed:100baseT full-duplex
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Port 1:
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mib: Port 1 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 948176
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TxMulti : 170
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TxBroad : 3
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 1557
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Tx65Byte : 930766
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Tx128Byte : 1302
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Tx256Byte : 528
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Tx512Byte : 75
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Tx1024Byte : 14121
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TxByte : 87870052
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RxDrop : 0
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RxFiltered : 0
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RxUni : 6849258
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RxMulti : 187
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 911
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Rx65Byte : 14343
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Rx128Byte : 298
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Rx256Byte : 88
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Rx512Byte : 56
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Rx1024Byte : 6833749
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RxByte : 9828214886
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 1
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link: port:1 link:up speed:1000baseT full-duplex
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Port 2:
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mib: Port 2 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 0
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TxMulti : 0
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TxBroad : 0
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 0
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Tx65Byte : 0
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Tx128Byte : 0
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Tx256Byte : 0
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Tx512Byte : 0
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Tx1024Byte : 0
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TxByte : 0
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RxDrop : 0
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RxFiltered : 0
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RxUni : 0
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RxMulti : 0
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 0
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Rx65Byte : 0
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Rx128Byte : 0
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Rx256Byte : 0
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Rx512Byte : 0
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Rx1024Byte : 0
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RxByte : 0
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 1
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link: port:2 link:down
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Port 3:
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mib: Port 3 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 0
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TxMulti : 0
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TxBroad : 0
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 0
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Tx65Byte : 0
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Tx128Byte : 0
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Tx256Byte : 0
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Tx512Byte : 0
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Tx1024Byte : 0
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TxByte : 0
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RxDrop : 0
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RxFiltered : 0
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RxUni : 0
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RxMulti : 0
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 0
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Rx65Byte : 0
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Rx128Byte : 0
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Rx256Byte : 0
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Rx512Byte : 0
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Rx1024Byte : 0
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RxByte : 0
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 1
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link: port:3 link:down
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Port 4:
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mib: Port 4 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 0
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TxMulti : 0
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TxBroad : 0
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 0
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Tx65Byte : 0
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Tx128Byte : 0
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Tx256Byte : 0
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Tx512Byte : 0
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Tx1024Byte : 0
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TxByte : 0
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RxDrop : 0
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RxFiltered : 0
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RxUni : 0
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RxMulti : 0
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 0
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Rx65Byte : 0
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Rx128Byte : 0
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Rx256Byte : 0
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Rx512Byte : 0
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Rx1024Byte : 0
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RxByte : 0
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 1
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link: port:4 link:down
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Port 5:
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mib: Port 5 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 0
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TxMulti : 0
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TxBroad : 0
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 0
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Tx65Byte : 0
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Tx128Byte : 0
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Tx256Byte : 0
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Tx512Byte : 0
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Tx1024Byte : 0
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TxByte : 0
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RxDrop : 0
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RxFiltered : 0
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RxUni : 0
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RxMulti : 0
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 0
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Rx65Byte : 0
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Rx128Byte : 0
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Rx256Byte : 0
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Rx512Byte : 0
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Rx1024Byte : 0
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RxByte : 0
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 0
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link: port:5 link:down
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Port 6:
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mib: Port 6 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 7812303
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TxMulti : 1200937
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TxBroad : 54112
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 13632
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Tx64Byte : 13632
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Tx65Byte : 188400
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Tx128Byte : 1360750
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Tx256Byte : 181926
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Tx512Byte : 198875
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Tx1024Byte : 7137402
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TxByte : 10755312044
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RxDrop : 0
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RxFiltered : 51
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RxUni : 7809918
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RxMulti : 201
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RxBroad : 30
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 89
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Rx64Byte : 5720
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Rx65Byte : 942425
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Rx128Byte : 14535
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Rx256Byte : 778
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Rx512Byte : 249
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Rx1024Byte : 6846531
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RxByte : 10357481140
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 0
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link: port:6 link:up speed:1000baseT full-duplex
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Port 7:
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mib: Port 7 MIB counters
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TxDrop : 0
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TxCRC : 0
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TxUni : 0
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TxMulti : 0
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TxBroad : 0
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TxCollision: 0
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TxSingleCol: 0
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TxMultiCol : 0
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TxDefer : 0
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TxLateCol : 0
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TxExcCol : 0
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TxPause : 0
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Tx64Byte : 0
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Tx65Byte : 0
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Tx128Byte : 0
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Tx256Byte : 0
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Tx512Byte : 0
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Tx1024Byte : 0
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TxByte : 0
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RxDrop : 0
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RxFiltered : 0
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RxUni : 0
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RxMulti : 0
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RxBroad : 0
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RxAlignErr : 0
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RxCRC : 0
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RxUnderSize: 0
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RxFragment : 0
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RxOverSize : 0
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RxJabber : 0
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RxPause : 0
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Rx64Byte : 0
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Rx65Byte : 0
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Rx128Byte : 0
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Rx256Byte : 0
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Rx512Byte : 0
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Rx1024Byte : 0
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RxByte : 0
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RxCtrlDrop : 0
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RxIngDrop : 0
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RxARLDrop : 0
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pvid: 0
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link: port:7 link:down
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VLAN 1:
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vid: 1
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ports: 1 2 3 4 6t
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VLAN 2:
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vid: 2
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ports: 0 6t
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```
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WTF !?
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|
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既然另外幾台都沒有問題，那麼應該就是這台機器的網路孔、或者網路線有問題了！
|
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|
那就換換看網路線吧！
|
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|
|
|
|
果然從原本的 CAT 5E 換成 CAT 6 之後，連線速率就變成 1000 Mb了
|
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|
|
但是CAT 5E 應該要能支援到1000Mb 才對啊！
|
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|
|
所以就是這條 CAT 5E 要不就是偷工減料，要不就是年紀到了，衰退了？？
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以後還是不要用 CAT 5E 的線了...
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這邊太多的古董，總是藏著一些奇奇怪怪的臭蟲 ....
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同場加映一下 wireguard 連線的速率
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大概都能跑到200 Mb 左右
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比起原本strongswan 打的 IPSEC 只有 30 Mb 左右 ，那是進步太多太多了！
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strongswan 的設定又囉唆，該是讓他退場的時候了！
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=== delete below content when finish the post ===
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youtbe: {{< youtube w7Ft2ymGmfc >}}
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IG photo: {{< instagram BWNjjyYFxVx >}}
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