Ne razumem zasto automatski ubacuje gateway i DNS

Probao sam sa nekoliko opsega adresa i uvek se ponavlja
gateway=IP adresa
DNS1=IP adresa+1
Pronasao sam fajl /etc/sysconfig/network-scripts/ifcfg-eth0, evo ga dole
DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.0.1
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
ONBOOT=yes
METRIC=100
MII_NOT_SUPPORTED=no
USERCTL=no
DNS1=192.168.0.2
RESOLV_MODS=yes
LINK_DETECTION_DELAY=6
IPV6INIT=no
IPV6TO4INIT=no
Izlaz komande ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:19:21:3B:84:F0
inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::219:21ff:fe3b:84f0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:157 errors:0 dropped:0 overruns:0 frame:0
TX packets:730 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:23208 (22.6 KiB) TX bytes:94257 (92.0 KiB)
Interrupt:19 Base address:0xa000
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:249 errors:0 dropped:0 overruns:0 frame:0
TX packets:249 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:21582 (21.0 KiB) TX bytes:21582 (21.0 KiB)
wlan0 Link encap:Ethernet HWaddr 00:4F:6A:00:82:20
inet addr:10.111.8.200 Bcast:10.111.8.255 Mask:255.255.255.0
inet6 addr: fe80::24f:6aff:fe00:8220/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:44467 errors:0 dropped:0 overruns:0 frame:0
TX packets:16979 errors:78 dropped:78 overruns:0 carrier:0
collisions:7792 txqueuelen:1000
RX bytes:10760162 (10.2 MiB) TX bytes:1643047 (1.5 MiB)
Interrupt:20
Izlaz komande rooute -n
192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 eth0
10.111.8.0 0.0.0.0 255.255.255.0 U 35 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 35 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 100 0 0 eth0
0.0.0.0 10.111.8.1 0.0.0.0 UG 35 0 0 wlan0
0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth0
E vise nemam volje, siguran sam da je do switcha jer na gore datom sajtu za njega pise sasvim drugacije.
Reda radi probao sam ga i na Windowsu. Radi samo ako se posle dva sata nabadanja stavi lokalna IP 192.168.0.1 za server, netmask 255.255.255.0, ostali kompjuteri u lokalnoj mrezi switcha rade samo ako im se dodeli dinamicka adresa.