<p>éåéå¸ï¼é 便çåçè¨ï¼è¥æé¯èª¤è«ä¸åææã</p>
<p>ææJuniperç¸éæç« å表ï¼<a href="https://kerker.website/juniper-junos-%E7%B3%BB%E5%88%97-%E6%96%87%E7%AB%A0%E5%88%97%E8%A1%A8/">Juniper JunOS ç³»åæç« å表</a></p>
<p>實ä½juniperé度éå¶æä¸åæ¥é©ï¼</p>
<p>1. 建ç«é度éå¶policer<br />
2. å°policerå¥å°filterä¸<br />
3. å°filterå¥å°è¦ééçinterfaceä¸</p>
<p>以ä¸çºä½¿ç¨juniper EX-2200實ä½ä¹æ¹æ³ï¼<strong><!--more--></strong>1. 建ç«é度éå¶policerï¼æ令ä¸ç20Mçºpolicerå稱ï¼å é度éå¶20mæ ç´æ¥å½å20Mï¼å ¶ä¸è¶ éçé¨åæ被ä¸æ£(discard)ï¼</p>
<pre>Juniper-SW# set firewall policer 20M if-exceeding bandwidth-limit 20m

Juniper-SW# set firewall policer 20M then discard
</pre>
<p>2. å°policerå¥å°filterä¸ï¼å çºpolicerç¡æ³ç´æ¥å¥ç¨å°interfaceä¸ï¼æ æåéè¦å»ºç«filterä¸¦å¸¶å ¥ååè¨å®çpolicerï¼å ¶ä¸filterçå稱æåä¾ç¶å½åçº20Mï¼</p>
<pre>Juniper-SW# set firewall family ethernet-switching filter 20M term 0 then policer 20M
</pre>
<p>3. å°filterå¥å°è¦ééçinterfaceä¸ï¼éè¦æ³¨æçæ¯é種filterå¨ééæ¯åªè½å¥å¨inputæ¹åä¸ï¼è¥è¦éåééåéè¦åå¥å¥å¨å ©å°switchçinputä¸ï¼</p>
<pre>set interfaces ge-0/1/2 unit 0 family ethernet-switching filter input 20M
</pre>
<p>å°ééæåå°±å®æäºééçè¨å®å¦ï¼ä½¿ç¨speedtest測試çµæï¼</p>
<p><img class="alignnone size-medium wp-image-405" src="http://kerker.website/wp-content/uploads/2018/11/Speedtest-20M-300x142.jpg" alt="" width="300" height="142" /></p>