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    <title>Monitor-Session on Details...</title>
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      <title>Cisco Catalyst - Port Monitoring</title>
      <link>https://www.deepreflect.net/2008/08/22/cisco-port-monitoring/</link>
      <pubDate>Fri, 22 Aug 2008 13:14:15 +0000</pubDate>
       <guid isPermaLink="false">http://blog.deepreflect.net/?p=50</guid> 
      <description>&lt;p&gt;Piccolo memo sull&amp;rsquo;uso delle funzioni di monitoraggio, sui catalyst, nel caso di debba sniffare il traffico per installare un IDS o per un po&amp;rsquo; di sana diagnostica in caso di problemi.&lt;/p&gt;
&lt;p&gt;Se lo switch supporta le sessioni di monitoring, esempio se si vuole
monitorare la porta 10 usando uno sniffer sulla 20 cosi&#39;:&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre tabindex=&#34;0&#34; style=&#34;color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-fallback&#34; data-lang=&#34;fallback&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;!
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;monitor session 1 source interface Fa0/10
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;monitor session 1 destination interface Fa0/20
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;!
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Se lo supporta il port monitoring, esempio se si vuole monitorare con uno
sniffer sulla porta 20 il traffico tra porta 10 e porta 1:&lt;/p&gt;</description>
      <content:encoded><![CDATA[<p>Piccolo memo sull&rsquo;uso delle funzioni di monitoraggio, sui catalyst, nel caso di debba sniffare il traffico per installare un IDS o per un po&rsquo; di sana diagnostica in caso di problemi.</p>
<p>Se lo switch supporta le sessioni di monitoring, esempio se si vuole
monitorare la porta 10 usando uno sniffer sulla 20 cosi':</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>!
</span></span><span style="display:flex;"><span>monitor session 1 source interface Fa0/10
</span></span><span style="display:flex;"><span>monitor session 1 destination interface Fa0/20
</span></span><span style="display:flex;"><span>!
</span></span></code></pre></div><p>Se lo supporta il port monitoring, esempio se si vuole monitorare con uno
sniffer sulla porta 20 il traffico tra porta 10 e porta 1:</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>!
</span></span><span style="display:flex;"><span>interface FastEthernet0/20
</span></span><span style="display:flex;"><span>port monitor FastEthernet0/10
</span></span><span style="display:flex;"><span>port monitor FastEthernet0/1
</span></span><span style="display:flex;"><span>port monitor VLAN1
</span></span><span style="display:flex;"><span>!
</span></span></code></pre></div>]]></content:encoded>
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