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	<title>Reti di Calcolatori - Alicante</title>
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	<description>Esercizi del laboratorio</description>
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		<title>Reti di Calcolatori - Alicante</title>
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		<title>bbbbbbbb</title>
		<link>http://retialicante.wordpress.com/2008/11/27/bbbbbbbb/</link>
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		<pubDate>Thu, 27 Nov 2008 12:59:10 +0000</pubDate>
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				<category><![CDATA[Pratica 3]]></category>

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Posted in Pratica 3       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=139&subd=retialicante&ref=&feed=1" />]]></description>
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		<title>gggg</title>
		<link>http://retialicante.wordpress.com/2008/11/27/gggg/</link>
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		<pubDate>Thu, 27 Nov 2008 10:23:01 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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Posted in Uncategorized       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=131&subd=retialicante&ref=&feed=1" />]]></description>
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		<item>
		<title>Problema 3.7</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-37/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-37/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:56:17 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[ICMP]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[TCP]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=105</guid>
		<description><![CDATA[Considerando che tutte le macchine presenti in questa topologia adempiono alla RFC 1191. Determina il numero di segmenti che si generano al mandare un pacchetto TCP con 1500 byte di dati dalla macchina &#8220;A&#8221; alla macchina &#8220;E&#8221;:


numero, tipo e codice dei pacchetti ICMP
indica la MTU del cammino completo
mostra la lunghezza totale di ogni pacchetto TCP [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=105&subd=retialicante&ref=&feed=1" />]]></description>
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		<title>Problema 3.6</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-36/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-36/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:43:44 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[TCP]]></category>
		<category><![CDATA[UDP]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=104</guid>
		<description><![CDATA[Determinare il numero di pacchetti UDP che si generano quando il livello di trasporto invia 1000 bytesdi dati in una rete Ethernet con MTU di 500 byte. Fare lo stesso considerando che il livello di trasporto utilizzato sia TCP.
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=104&subd=retialicante&ref=&feed=1" />]]></description>
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			<media:title type="html">retialicante</media:title>
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		<title>Problema 3.5</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-35/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-35/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:38:17 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[FTP]]></category>
		<category><![CDATA[Pratica 3]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=103</guid>
		<description><![CDATA[Realizza una connessione FTP (porta 21) a una macchina di un tuo compagno di classe. Cosa ottieni nel monitor di rete nell&#8217;intento di stabilire la connessione?
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=103&subd=retialicante&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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		<title>Problema 3.4</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-34/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-34/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:33:11 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[TCP]]></category>
		<category><![CDATA[rexec]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=102</guid>
		<description><![CDATA[Utilizza il programma rexec per eseguire il comando &#8220;cat ifconfig.txt&#8221; nel servitore 10.3.7.0 . Che valore di MSS si negozia tra gli estremi della comunicazione? Quale è la dimensione dei segmenti TCP trasportati dentro i pacchetti IP? Che differenza c&#8217;è rispetto al caso anteriore?
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=102&subd=retialicante&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://retialicante.wordpress.com/2008/05/25/problema-34/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">retialicante</media:title>
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		<title>Problema 3.3</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-33/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-33/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:25:40 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[TCP]]></category>
		<category><![CDATA[rexec]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=101</guid>
		<description><![CDATA[Utilizza il programma rexec per eseguire il comando &#8220;cat ifconfig.txt&#8221; nel servitore 172.20.43.232 (Linux2). L&#8217;informazione ricevuta è di vari mille bytes e si riceverà un segmento TCP di grande dimensione. IP ha frammentato questi segmenti? Perché succede questo? Qual&#8217;è la dimensione dei segmenti TCP?
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=101&subd=retialicante&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://retialicante.wordpress.com/2008/05/25/problema-33/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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		<title>Problema 3.2</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-32/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-32/#comments</comments>
		<pubDate>Sun, 25 May 2008 16:20:26 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[TCP]]></category>
		<category><![CDATA[rexec]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=100</guid>
		<description><![CDATA[&#8220;Rexec. Remote Shell&#8221;
Rexec. Remote Shell è un servizio presente in un S.O. UNIX con TCP/IP che attende alla porta TCP 512 in attesa di richieste di esecuzione di comandi da processi remoti di un client. Utilizza TCP perché lavora con connessione.
Esegui il programma e fa eseguire il comando &#8220;ls -l&#8221; nella macchina con indirizzo 172.20.43.232(Linux2). [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=100&subd=retialicante&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://retialicante.wordpress.com/2008/05/25/problema-32/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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		<title>Problema 3.1</title>
		<link>http://retialicante.wordpress.com/2008/05/25/problema-31/</link>
		<comments>http://retialicante.wordpress.com/2008/05/25/problema-31/#comments</comments>
		<pubDate>Sun, 25 May 2008 15:22:16 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 3]]></category>
		<category><![CDATA[UDP]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=99</guid>
		<description><![CDATA[Programma &#8220;udp.exe&#8221;
Questo semplice programma per MS Windows ci permetterà di inviare e ricevere pacchetti UDP, specificando anche il contenuto, il numero di porta e un indirizzo IP di destinazione.
3.1 a
Utilizzare il programma udp.exe per realizzare un invio di dati alla porta 7 (echo) o alla porta 13 (data e ora) del server Linux1 (10.3.7.0). Per [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=99&subd=retialicante&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://retialicante.wordpress.com/2008/05/25/problema-31/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">retialicante</media:title>
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		<title>Problema 2.6</title>
		<link>http://retialicante.wordpress.com/2008/05/11/problema-26/</link>
		<comments>http://retialicante.wordpress.com/2008/05/11/problema-26/#comments</comments>
		<pubDate>Sun, 11 May 2008 19:03:18 +0000</pubDate>
		<dc:creator>retialicante</dc:creator>
				<category><![CDATA[Esercizi]]></category>
		<category><![CDATA[Pratica 2]]></category>
		<category><![CDATA[traceroute]]></category>
		<category><![CDATA[tracert]]></category>

		<guid isPermaLink="false">http://retialicante.wordpress.com/?p=81</guid>
		<description><![CDATA[Percorsi dei pacchetti &#8211; Tracert / Traceroute
Una delle curiosità più interessanti della rete è sapere il percorso che fanno i pacchetti o datagrammi fino a quando arrivano al loro destino. Per esempio, se realizziamo una chiamata di accesso in Giappone, i pacchetti, escono da Alicante, passano per Valencia, Madrid e dopo?? passeranno per Parigi o [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=retialicante.wordpress.com&blog=3019347&post=81&subd=retialicante&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://retialicante.wordpress.com/2008/05/11/problema-26/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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