Fedora13 ネットワーク

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GUIでの設定方法 †

$ sudo /usr/bin/nm-connection-editor

設定内容はどこに反映されるか †

network †

$ cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=orange.homelan

hosts †

$ cat /etc/hosts
127.0.0.1       orange.homelan  localhost.localdomain   localhost
::1             localhost6.localdomain6 localhost6

resolv.conf †

$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 192.168.1.6

起動時に、Fedora によって勝手に書き換えられるみたい

device †

$ dmesg | grep eth0
eth0: RTL8168c/8111c at 0xf8530000, 00:01:c0:07:66:db, XID 1c4000c0 IRQ 24
r8169: eth0: link up
$ dmesg | grep eth1
eth1: RTL8168c/8111c at 0xf8534000, 00:01:c0:07:66:dc, XID 1c4000c0 IRQ 25
r8169: eth1: link down

$ ls /etc/sysconfig/network-scripts/
ifcfg-eth0   ifdown-ipsec   ifup          ifup-isdn    ifup-wireless
ifcfg-eth1   ifdown-ipv6    ifup-aliases  ifup-plip    init.ipv6-global
ifcfg-lo     ifdown-isdn    ifup-bnep     ifup-plusb   net.hotplug
ifcfg-wlan0  ifdown-post    ifup-eth      ifup-post    network-functions
ifdown       ifdown-ppp     ifup-ippp     ifup-ppp     network-functions-ipv6
ifdown-bnep  ifdown-routes  ifup-ipsec    ifup-routes
ifdown-eth   ifdown-sit     ifup-ipv6     ifup-sit
ifdown-ippp  ifdown-tunnel  ifup-ipx      ifup-tunnel

$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 
# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller
DEVICE=eth0
HWADDR=00:01:C0:07:66:DB
TYPE=Ethernet
BOOTPROTO=none
IPADDR=192.168.1.2
PREFIX=24
GATEWAY=192.168.1.1
DNS1=192.168.1.6
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth0"
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
ONBOOT=yes

/etc/sysconfig/networking/ifcfg-eth0 にも同じ内容の設定が必要(なんで synbolic link になっていないんだろう?)

$ ls /etc/sysconfig/networking/devices/
ifcfg-eth0  ifcfg-eth1  ifcfg-wlan0
$ cat /etc/sysconfig/networking/devices/ifcfg-eth0 
# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller
DEVICE=eth0
HWADDR=00:01:C0:07:66:DB
TYPE=Ethernet
BOOTPROTO=none
IPADDR=192.168.1.2
PREFIX=24
GATEWAY=192.168.1.1
DNS1=192.168.1.6
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth0"
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
ONBOOT=yes

ネットワーク関連のコマンド †

• 設定内容の変更

  $ sudo /sbin/ifconfig eth0 down
  $ sudo /sbin/ifconfig eth0 up

• 設定の確認

  $ /sbin/ifconfig
  eth0      Link encap:Ethernet  HWaddr 00:01:C0:07:66:DB  
            inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
            inet6 addr: 2001:c90:4c1:1270:201:c0ff:fe07:66db/64 Scope:Global
            inet6 addr: fe80::201:c0ff:fe07:66db/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:85027 errors:0 dropped:0 overruns:0 frame:0
            TX packets:85046 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:15248047 (14.5 MiB)  TX bytes:72909873 (69.5 MiB)
            Interrupt:24 
  
  eth1      Link encap:Ethernet  HWaddr 00:01:C0:07:66:DC  
            UP BROADCAST MULTICAST  MTU:1500  Metric:1----
  ...

   

  $ /sbin/route -n
  Kernel IP routing table
  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
  192.168.1.0     0.0.0.0         255.255.255.0   U     1      0        0 eth0
  0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 eth0