<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">Buon pomeriggio, ho provato con l'indirizzo che mi hai fornito:<br><br>Addr 0. 1. 65. 0<br>Mask 255.255.64.0 <br>Net 0.1.64.0<br>Broadcast 0.1.255.255<br><br>Addr 0. 1. 129. 0<br>Mask 255.255.64.0 <br>Net 0.1.0.0<br>Broadcast 0.1.255.255<br><br><br>Ci sono 2 diversi indirizzi di broadcast per quella netmask, quindi gli hosts sono 2^8\2-2 =126.<br>Grazie.<br>Abigail </div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Da: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:antonio@prado.it">Antonio Prado</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Inviato: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">22/05/2016 23:59</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">A: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:abigail.bianconi@gmail.com">Abigail Bianconi</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Cc: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:internet-e-architetture-di-rete@list.informagiovani.comunesbt.it">internet informagiovani</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Oggetto: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">Re: [Internet-e-architetture-di-rete] esercizi VLSM IPv4</span><br><br></div><div><br></div><blockquote type="cite"><div><div dir="ltr">
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">###########################</span></span></p>
<p style="line-height: 100%; margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">8.</span></span></p><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"></span></span><br><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"></span></span><p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">
Addr 0.
1. 2. 3<br>
Mask 255.255.255.1
<br>
Net 0.1.2.1<br>
Broadcast 0.1.2.255<br>
Hosts (2^8)/2-2=126</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Ho provato con
altri indirizzi:</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 1. 2.
4<br>
Mask 255.255.255.1 <br>
Net 0.1.2.0<br>
Broadcast 0.1.2.254</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 1. 2.
5<br>
Mask 255.255.255.1 <br>
Net 0.1.2.1<br>
Broadcast 0.1.2.255<br></span></span>
<span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Dai risultati si
desume che esistono due differenti domini di broadcast: uno che
raggruppa gli indirizzi che terminano con un numero pari e uno che
raggruppa gli indirizzi che terminano con un numero dispari.</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Per questo
motivo si devono dividere gli hosts disponibili in 2 raggruppamenti:</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Hosts:(2^8)/2-2=126</span></span></p></div></div></blockquote><div><br></div><div><br></div>benissimo, brava<br><blockquote type="cite"><div><div dir="ltr"><p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">
###########################</span></span></p>
<p style="margin-bottom: 0cm;"> </p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">###########################</span></span></p>
<p style="line-height: 100%; margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">9.</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br>
Addr 0.
1. 2. 3<br>
Mask 255.255.64.0
<br>
Net 0.1.0.0<br>
Broadcast 0.1.191.255<br>
Hosts 2^16-2=65534</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Ecco gli altri
indirizzi presi in considerazione:</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 1. 2.
4<br>
Mask 255.255.64.0 <br>
Net 0.1.0.0<br>
Broadcast 0.1.191.255</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 1. 2.
5<br>
Mask 255.255.64.0 <br>
Net 0.1.0.0<br>
Broadcast 0.1.191.255<br></span></span>
<span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 1. 3.
3<br>
Mask 255.255.64.0 <br>
Net 0.1.0.0<br>
Broadcast 0.1.191.255<br></span></span>
<span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"><br></span></span>
</p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">Addr 0. 2. 2.
3<br>
Mask 255.255.64.0 <br>
Net 0.1.0.0<br>
Broadcast 0.1.191.255</span></span></p>
<p style="margin-bottom: 0cm;"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;">In questo caso i
risultati sono sempre uguali, al variare del valore degli ottetti in
esame.</span></span></p></div></div></blockquote><div><br></div><div>perché non tenti con</div><div>0.1.65.0?</div><div><br></div><div>grazie</div><div>--</div><div>antonio</div><blockquote type="cite"><div dir="ltr"><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"></span></span><span style="color: rgb(0, 0, 0);"><span style="font-family: arial,helvetica,sans-serif;"></span></span>
</div>
</blockquote></body></html>