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    <title>Tunnel on Details...</title>
    <link>https://www.deepreflect.net/tags/tunnel/</link>
    <description>Recent content in Tunnel on Details...</description>
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      <title>Cisco IPv6</title>
      <link>https://www.deepreflect.net/2008/08/20/cisco-ipv6/</link>
      <pubDate>Wed, 20 Aug 2008 08:47:04 +0000</pubDate>
       <guid isPermaLink="false">http://blog.deepreflect.net/?p=24</guid> 
      <description>&lt;p&gt;Anche se non credevo che fosse cosi&amp;rsquo; semplice i tunnel 6to4 sui router cisco non sono una cosa complessa come sembra posto uno straccio di configurazione usato con il tunnel broker Hurricane Electric sul server di parigi:&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;interface Tunnel0
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;no ip address
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;no ip redirects
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;no ip unreachables
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;no ip proxy-arp
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;ipv6 address 2001:470:1F12:10A::2/64
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;ipv6 enable
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;tunnel source xxx.xxx.xxx.xxx
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;tunnel destination 216.66.84.42
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;tunnel mode ipv6ip
&lt;/span&gt;&lt;/span&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;ipv6 route ::/0 Tunnel0
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Attenzione questa e&amp;rsquo; usata su un 2600 con IOS 12.3 IP FW IDS PLUS / IPSEC
Ricordo che e&amp;rsquo; bene inserire un ACL che faccia passare il protocollo 41 solo dall&amp;rsquo;end point del tunnel e ovviamente lasciare le risposte icmp abilitate&lt;/p&gt;</description>
      <content:encoded><![CDATA[<p>Anche se non credevo che fosse cosi&rsquo; semplice i tunnel 6to4 sui router cisco non sono una cosa complessa come sembra posto uno straccio di configurazione usato con il tunnel broker Hurricane Electric sul server di parigi:</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>interface Tunnel0
</span></span><span style="display:flex;"><span>no ip address
</span></span><span style="display:flex;"><span>no ip redirects
</span></span><span style="display:flex;"><span>no ip unreachables
</span></span><span style="display:flex;"><span>no ip proxy-arp
</span></span><span style="display:flex;"><span>ipv6 address 2001:470:1F12:10A::2/64
</span></span><span style="display:flex;"><span>ipv6 enable
</span></span><span style="display:flex;"><span>tunnel source xxx.xxx.xxx.xxx
</span></span><span style="display:flex;"><span>tunnel destination 216.66.84.42
</span></span><span style="display:flex;"><span>tunnel mode ipv6ip
</span></span><span style="display:flex;"><span>!
</span></span><span style="display:flex;"><span>ipv6 route ::/0 Tunnel0
</span></span></code></pre></div><p>Attenzione questa e&rsquo; usata su un 2600 con IOS 12.3 IP FW IDS PLUS / IPSEC
Ricordo che e&rsquo; bene inserire un ACL che faccia passare il protocollo 41 solo dall&rsquo;end point del tunnel e ovviamente lasciare le risposte icmp abilitate</p>
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