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		<id>http://ca.wiki.guifi.net/w/index.php?action=history&amp;feed=atom&amp;title=Bridges_amb_Linux</id>
		<title>Bridges amb Linux - Historial de revisió</title>
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		<updated>2026-07-29T04:31:24Z</updated>
		<subtitle>Historial de revisió per a aquesta pàgina del wiki</subtitle>
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	<entry>
		<id>http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=3924&amp;oldid=prev</id>
		<title>Lib2know: /* language links */</title>
		<link rel="alternate" type="text/html" href="http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=3924&amp;oldid=prev"/>
				<updated>2014-04-12T11:56:03Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;language links&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;←Versió més antiga&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revisió de 11:56, 12 abr 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Línia 174:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Línia 174:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[http://gentoo-wiki.com/HOWTO_setup_a_gentoo_bridge HOWTO_setup_a_gentoo_bridge]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[http://gentoo-wiki.com/HOWTO_setup_a_gentoo_bridge HOWTO_setup_a_gentoo_bridge]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[en:Bridges with Linux]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key wikianfitrion-ca_:diff:version:1.11a:oldid:477:newid:3924 --&gt;
&lt;/table&gt;</summary>
		<author><name>Lib2know</name></author>	</entry>

	<entry>
		<id>http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=477&amp;oldid=prev</id>
		<title>Al: 1 revisió:&amp;#32;Guifi.net</title>
		<link rel="alternate" type="text/html" href="http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=477&amp;oldid=prev"/>
				<updated>2010-11-13T19:34:31Z</updated>
		
		<summary type="html">&lt;p&gt;1 revisió: Guifi.net&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;←Versió més antiga&lt;/td&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revisió de 19:34, 13 nov 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan='2' style='text-align: center;'&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(Cap diferència)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Al</name></author>	</entry>

	<entry>
		<id>http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=476&amp;oldid=prev</id>
		<title>Sergi: /* Paquet bridge-utils */</title>
		<link rel="alternate" type="text/html" href="http://ca.wiki.guifi.net/w/index.php?title=Bridges_amb_Linux&amp;diff=476&amp;oldid=prev"/>
				<updated>2008-10-24T05:50:33Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Paquet bridge-utils&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Pàgina nova&lt;/b&gt;&lt;/p&gt;&lt;div&gt;=Utilitats de bridge a Linux=&lt;br /&gt;
&lt;br /&gt;
==Paquet bridge-utils==&lt;br /&gt;
&lt;br /&gt;
'''Instal·lació''':&lt;br /&gt;
&lt;br /&gt;
 $ sudo apt-get install bridge-utils&lt;br /&gt;
&lt;br /&gt;
'''Comandes''':&lt;br /&gt;
&lt;br /&gt;
 $ dpkg -L bridge-utils | grep bin&lt;br /&gt;
 /usr/sbin&lt;br /&gt;
 '''/usr/sbin/brctl'''&lt;br /&gt;
&lt;br /&gt;
'''Fitxers de configuració''':&lt;br /&gt;
&lt;br /&gt;
 $ dpkg -L bridge-utils | grep etc&lt;br /&gt;
 /etc&lt;br /&gt;
 /etc/network&lt;br /&gt;
 /etc/network/if-pre-up.d&lt;br /&gt;
 /etc/network/if-pre-up.d/bridge&lt;br /&gt;
 /etc/network/if-post-down.d&lt;br /&gt;
 /etc/network/if-post-down.d/bridge&lt;br /&gt;
&lt;br /&gt;
'''Recursos''':&lt;br /&gt;
&lt;br /&gt;
*[http://linux.die.net/man/8/brctl brctl]&lt;br /&gt;
&lt;br /&gt;
===Comanda brctl===&lt;br /&gt;
&lt;br /&gt;
'''Mostrar els bridges''':&lt;br /&gt;
&lt;br /&gt;
 $ brctl show &lt;br /&gt;
  bridge name     bridge id               STP enabled     interfaces&lt;br /&gt;
  br0             8000.001601a1a9b7       no              eth0&lt;br /&gt;
                                                          wlan0&lt;br /&gt;
  br1             8000.000000000000       no              &lt;br /&gt;
&lt;br /&gt;
'''Crear un nou bridge''':&lt;br /&gt;
&lt;br /&gt;
 $ brctl addbr br1&lt;br /&gt;
&lt;br /&gt;
'''Afegir/treure interfícies a un bridge''':&lt;br /&gt;
&lt;br /&gt;
 $ brctl delif&lt;br /&gt;
&lt;br /&gt;
 $ brctl addif&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Creació del bridge===&lt;br /&gt;
&lt;br /&gt;
Instal·lem el paquet [[Bridges_amb_Linux#Paquet_bridge-utils | bridge-utils]] i al fitxer '''/etc/network/interfaces''' creem una interfície que sigui un bridge de la eth0:&lt;br /&gt;
&lt;br /&gt;
 $ cat /etc/network/interfaces&lt;br /&gt;
 &lt;br /&gt;
 auto lo&lt;br /&gt;
 iface lo inet loopback&lt;br /&gt;
 &lt;br /&gt;
 auto br0&lt;br /&gt;
 iface br0 inet static&lt;br /&gt;
  address 192.168.1.2&lt;br /&gt;
  netmask 255.255.255.0&lt;br /&gt;
  gateway 192.168.1.1&lt;br /&gt;
  '''bridge_ports eth0'''&lt;br /&gt;
 &lt;br /&gt;
 auto eth0&lt;br /&gt;
 '''iface eth0 inet manual'''&lt;br /&gt;
&lt;br /&gt;
També podem utilitzar DHCP:&lt;br /&gt;
&lt;br /&gt;
 $ cat /etc/network/interfaces&lt;br /&gt;
 &lt;br /&gt;
 auto lo&lt;br /&gt;
 iface lo inet loopback&lt;br /&gt;
 &lt;br /&gt;
 auto br0&lt;br /&gt;
 iface br0 inet dhcp&lt;br /&gt;
  '''bridge_ports eth0'''&lt;br /&gt;
 &lt;br /&gt;
 auto eth0&lt;br /&gt;
 '''iface eth0 inet manual'''&lt;br /&gt;
&lt;br /&gt;
 '''NOTA''': Noteu com la interfície eth0 es configura com manual i la línia '''bridge_ports eth0'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
I tornem a iniciar la xarxa:&lt;br /&gt;
&lt;br /&gt;
 $ sudo /etc/init.d/networking restart&lt;br /&gt;
&lt;br /&gt;
A partir d'ara la interfície eth0, tal i com podem observar a l'executar '''ifconfig''':&lt;br /&gt;
&lt;br /&gt;
 $ ifconfig&lt;br /&gt;
 br0       Link encap:Ethernet  HWaddr 00:30:1B:B7:CD:B6  &lt;br /&gt;
           inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0&lt;br /&gt;
           inet6 addr: fe80::230:1bff:feb7:cdb6/64 Scope:Link&lt;br /&gt;
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1&lt;br /&gt;
           RX packets:28932 errors:0 dropped:0 overruns:0 frame:0&lt;br /&gt;
           TX packets:28277 errors:0 dropped:0 overruns:0 carrier:0&lt;br /&gt;
           collisions:0 txqueuelen:0 &lt;br /&gt;
           RX bytes:24356075 (23.2 MB)  TX bytes:17213164 (16.4 MB)&lt;br /&gt;
 &lt;br /&gt;
 eth0      Link encap:Ethernet  HWaddr 00:30:1B:B7:CD:B6  &lt;br /&gt;
           inet6 addr: fe80::230:1bff:feb7:cdb6/64 Scope:Link&lt;br /&gt;
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1&lt;br /&gt;
           RX packets:20788 errors:0 dropped:0 overruns:0 frame:0&lt;br /&gt;
           TX packets:14681 errors:0 dropped:0 overruns:0 carrier:0&lt;br /&gt;
           collisions:0 txqueuelen:1000 &lt;br /&gt;
           RX bytes:23664360 (22.5 MB)  TX bytes:1995733 (1.9 MB)&lt;br /&gt;
           Interrupt:20 &lt;br /&gt;
&lt;br /&gt;
És una interfície no configurada ('''TONTA''' o Dummy). Això és normal, comproveu com la xarxa funciona igualment&lt;br /&gt;
&lt;br /&gt;
==Paquet uml-utilities==&lt;br /&gt;
&lt;br /&gt;
Instal·lació de User Mode Linux utilities package (uml-utilities):&lt;br /&gt;
&lt;br /&gt;
 $ sudo apt-get install uml-utilities&lt;br /&gt;
&lt;br /&gt;
Conté eines per crear interfícies TAP.&lt;br /&gt;
&lt;br /&gt;
Afegir permissos a l'usuari per accedir a la interfície:&lt;br /&gt;
&lt;br /&gt;
 $ sudo gpasswd -a &amp;lt;user&amp;gt; uml-net&lt;br /&gt;
&lt;br /&gt;
Per exemple&lt;br /&gt;
&lt;br /&gt;
 $ sudo gpasswd -a sergi uml-net&lt;br /&gt;
   &lt;br /&gt;
Cal tornar a iniciar per aplicar els permissos&lt;br /&gt;
&lt;br /&gt;
Per afegir la interfície TAP editem el fitxer '''/etc/network/interfaces''' i afegim:&lt;br /&gt;
&lt;br /&gt;
 auto tap0&lt;br /&gt;
 iface tap0 inet manual&lt;br /&gt;
      up ifconfig $IFACE 0.0.0.0 up&lt;br /&gt;
      down ifconfig $IFACE down&lt;br /&gt;
      tunctl_user &amp;lt;user&amp;gt;&lt;br /&gt;
&lt;br /&gt;
On a user posem el nostre usuari. Per exemple:&lt;br /&gt;
&lt;br /&gt;
 auto tap0&lt;br /&gt;
 iface tap0 inet manual&lt;br /&gt;
      up ifconfig $IFACE 0.0.0.0 up&lt;br /&gt;
      down ifconfig $IFACE down&lt;br /&gt;
      tunctl_user sergi&lt;br /&gt;
      bridge_ports eth0 tap0&lt;br /&gt;
&lt;br /&gt;
Tornar a iniciar la xarxa:&lt;br /&gt;
&lt;br /&gt;
 $ sudo /etc/init.d/networking restart&lt;br /&gt;
&lt;br /&gt;
=tunctl=&lt;br /&gt;
&lt;br /&gt;
Ara creem un bridge:&lt;br /&gt;
&lt;br /&gt;
 $ sudo tunctl -t tap1 -u sergi&lt;br /&gt;
 $ sudo chmod 666 /dev/net/tun&lt;br /&gt;
&lt;br /&gt;
I:&lt;br /&gt;
&lt;br /&gt;
 $ sudo brctl addbr br0 &lt;br /&gt;
&lt;br /&gt;
 $ sudo ifconfig eth0 0.0.0.0 promisc &lt;br /&gt;
 $ sudo brctl addif br0 eth0&lt;br /&gt;
 $ dhclient br0&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
 $ sudo brctl addif br0 tap1 &lt;br /&gt;
&lt;br /&gt;
'''Recursos''':&lt;br /&gt;
*https://help.ubuntu.com/community/VirtualBox#head-ac88c03223e773c78dbb46b4b13c109de1143a03&lt;br /&gt;
&lt;br /&gt;
=Recursos=&lt;br /&gt;
&lt;br /&gt;
*[http://gentoo-wiki.com/HOWTO_setup_a_gentoo_bridge HOWTO_setup_a_gentoo_bridge]&lt;/div&gt;</summary>
		<author><name>Sergi</name></author>	</entry>

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