<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>å é¡å(port mirroring)å³å°ä¸åportä¸çæµéè¤è£½ä¸ä»½å°å¦ä¸åportä¸ï¼ä»¥éå°ç£æ§ãé¤é¯çç®çã</p>
<p>以ä¸çºä½¿ç¨juniper EX-2200實ä½ä¹æ¹æ³ï¼</p>
<p><!--more--></p>
<ol>
<li>æ¥å ¥switch ä¹å¾é²å ¥é 置模å¼ã</li>
</ol>
<pre>Juniper-SW:RE:0% cli

Juniper-SW>; edit
</pre>
<ol start="2">
<li>é ç½®è¦mirroringçportï¼é裡å¯ä»¥é¸æè¦ç£æ§çæµå(ingressãegress)ï¼æ¬æ¬¡å¯¦ä½åæ¯å°å ©åé ç½®é½åäºãæ令ä¸çPM1çºè©²é¡åçå稱ï¼å¯ä»¥è¦èªå·±ç®¡çæ¹ä¾¿é ç½®ã</li>
</ol>
<pre>Juniper-SW#set ethernet-switching-options analyzer PM1 input egress interface ge-0/0/0.0

Juniper-SW#set ethernet-switching-options analyzer PM1 input ingress interface ge-0/0/0.0
</pre>
<ol start="3">
<li>é ç½®ç¨ä¾é²è¡ç£æ§çportã</li>
</ol>
<pre>Juniper-SW#set ethernet-switching-options analyzer PM1 output interface ge-0/0/10.0
</pre>
<ol start="4">
<li>é ç½®å®æå¾ä½¿ç¨showæ令é²è¡æª¢æ¥ã</li>
</ol>
<p>Juniper-SW# show ethernet-switching-options</p>
<p>å¦ææååå¯ä»¥çå°å §å®¹å¦ä¸</p>
<pre>analyzer PM1 {
 input {
 ingress {
 interface ge-0/0/0.0;
 }
 egress {
 interface ge-0/0/0.0;
 }
 }
 output {
 interface {
 ge-0/0/10.0;
 }
 }
}
</pre>
<ol start="5">
<li>å¯ä»¥ä½¿ç¨wiresharkå¨port ge-0/0/10æ·åå°å 測試æ¯å¦è½æ·åå°éå¾ge-0/0/0çå°å ãå¦å¤é注æçæ¯ç¨ä¾ç£æ§çportæ¯ç¡æ³é£ä¸internetçï¼ä¸è©²portä¹ä¸è½é 置任ä½vlanè¨å®ã</li>
</ol>

[Juniper] 交換器(Switch)埠鏡像(port mirroring)設定
