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On Wed, Feb 20, 2008 at 11:40 PM, Chris Brennan <xaero@××××××××××.net> wrote: |
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> I am trying to set up a Bridge for Qemu to use. I followed the guide |
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> at |
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> http://gentoo-wiki.com/HOWTO:_Qemu#Using_TUN.2FTAP_interface_as_a_normal_user |
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> but when ever the bridge starts, I loose connectivity outside of my |
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> box :/ ... am I missing something .... |
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> |
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> |
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> I've includes the output of my /etc/conf.d/net file .... |
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> |
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> |
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> # This blank configuration will automatically use DHCP for any net.* |
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> # scripts in /etc/init.d. To create a more complete configuration, |
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> # please review /etc/conf.d/net.example and save your configuration |
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> # in /etc/conf.d/net (this file :]!). |
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> dns_domain=( "unworldly.org" ) |
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> nis_domain=( "unworldly.org" ) |
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> dns_domain_eth0=( "unworldly.org" ) |
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> dns_search_eth0=( "unworldly.org xaerolimit.net" ) |
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> dns_servers_eth0=( "192.168.1.1 4.2.2.1 4.2.2.2" ) |
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> |
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> ## |
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> # LAN |
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> ## |
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> config_eth0=( "192.168.1.2 netmask 255.255.255.0 brd 192.168.1.255" ) |
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> routes_eth0=( "default via 192.168.1.1" ) |
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> |
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> ## |
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> # Bridge |
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> ## |
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> bridge_br0="eth0" |
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> config_br0=( "192.168.1.20 netmask 255.255.255.0 brd 192.168.1.255" ) |
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> #dhcpcd_br0="-t 10" |
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> RC_NEED_br0="net.eth0" |
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> brctl_br0=( "setfd 0" "sethello 0" "stp off" ) |
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> config_tap0=( "10.0.2.1 netmask 255.255.255.0" ) |
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|
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Following an old tutorial about that, I noticed that you can't have |
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eth0 working and bridging with different IPs. My /etc/conf.d/net: |
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|
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depend_br0() { |
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need net.eth0 |
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} |
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|
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config_eth0=( "0.0.0.0 promisc" ) #resets eth0 so the bridge gets the real IP. |
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|
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config_br0=( "<YOUR_MACHINE_IP> netmask <YOUR_MACHINE_NETMASK> brd |
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<YOUR_MACHINE_BROADCAST>" ) |
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dhcpd_br0="-N" |
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brctl_br0=( "setfd 0" "sethello 1" "stp off" ) |
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bridge_br0="eth0" #ads eth0 to your bridge, all traffic will go to the |
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physical interface |
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routes_br0=( |
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"default gw <YOUR_MACHINE_GATEWAY>" |
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) |
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|
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And at /etc/qemu-ifup I add the following: |
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|
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#!/bin/sh |
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sudo /sbin/ifconfig $1 0.0.0.0 #resets tap0 |
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sudo /sbin/brctl addif br0 tap0 #adds tap0 to the bridge |
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|
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Of couse I configured sudo to do all this without asking for a |
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password so I could run qemu as a normal user. |
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With this setup, when I launch qemu, everything works (Novell, etc) as |
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if it really was a different computer connected physically to the |
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network. |
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|
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|
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Hope that helps. |
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-- |
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Daniel da Veiga |
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|
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Filosofia de TI: Programadores de verdade consideram o conceito "o que |
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voc礙 v礙 矇 o que voc礙 tem" t瓊o ruim em editores de texto quanto em |
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mulheres. N瓊o, o programador de verdade quer um editor de texto do |
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estilo "voc礙 pediu, voc礙 levou" - complicado, indecifr獺vel, poderoso, |
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impiedoso, perigoso. |
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瞱z鉉羞 z{h��言% |
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