[Q] Linux and localAddress

Davide Arrigo davide.arrigo at gmail.com
Mon Oct 29 10:44:25 UTC 2007


2007/10/29, Edgar J. De Cleene <edgardec2001 at yahoo.com.ar>:
> Folks:
>
> I playing with Linux and wish know why World reportLocalAddress report
> 127.0.01 and ifconfig on Linux console gives me 192.168.1.4.
>
Hi Edgar, your system answer correctly, in Unix/Linux each network
interface has an IP address. This is the ifconfig output on my Linux
server:

[arrigo at aleph ~]$ /sbin/ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0A:5E:05:9A:30
          inet addr:192.168.1.200  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:3694 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3776 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:744868 (727.4 KiB)  TX bytes:1465239 (1.3 MiB)
          Interrupt:19 Base address:0x8000

eth1      Link encap:Ethernet  HWaddr 00:0A:5E:61:E4:1A
          inet addr:192.168.150.1  Bcast:192.168.150.255  Mask:255.255.255.0
          inet6 addr: fe80::20a:5eff:fe61:e41a/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:5712 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6028 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:940605 (918.5 KiB)  TX bytes:6432999 (6.1 MiB)
          Interrupt:20 Base address:0x4000

eth3      Link encap:Ethernet  HWaddr 00:0F:EA:3B:1D:F1
          inet addr:192.168.200.251  Bcast:192.168.200.255  Mask:255.255.255.0
          inet6 addr: fe80::20f:eaff:fe3b:1df1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:17510798 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16697957 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:396599015 (378.2 MiB)  TX bytes:2907114630 (2.7 GiB)
          Interrupt:17

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:348589 errors:0 dropped:0 overruns:0 frame:0
          TX packets:348589 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:329493617 (314.2 MiB)  TX bytes:329493617 (314.2 MiB)

As you can see there are many eth interface with its IP address and at
least the localhost 127.0.0.1. Maybe you have to change your request
and ask for a specific interface.

Best Regards


-- 
--------------------------
Davide Arrigo



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