Pasos para configurar la IP de la PC en Centos Linux
1. Verificamos la la configuración de la IP con el siguiente comando:
#ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0C:29:50:A6:3C
inet addr:0.0.0.0 Bcast:0.0.0.0 Mask:0.0.0.0
inet6 addr: fe80::20c:29ff:fe50:a63c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:468 errors:0 dropped:0 overruns:0 frame:0
TX packets:219 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:79709 (77.8 KiB) TX bytes:35821 (34.9 KiB)
Interrupt:19 Base address:0x2000
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:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
2 Escogemos al opción eth0 para la configuración de la RED
#vi /etc/sysconfig/network-scripts/ifcfg-eth0
3 Comenzamos a modificar los cambios
DEVICE=eth0
HWADDR=00:0C:29:50:A6:3C
TYPE=Ethernet
UUID=8f6f3086-529b-4570-95cc-ee69c5df31a0
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none
IPADDR=192.168.43.22
NETMASK=255.255.255.0
GATEWAY=192.168.43.21
DNS1=192.168.43.1
4 Reiniciamos el servicio de red y listo
#service network restart
5 Verificamos la configuración
#ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0C:29:50:A6:3C
inet addr:192.168.43.22 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe50:a63c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1059 errors:0 dropped:0 overruns:0 frame:0
TX packets:383 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:212997 (208.0 KiB) TX bytes:62425 (60.9 KiB)
Interrupt:19 Base address:0x2000
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:19 errors:0 dropped:0 overruns:0 frame:0
TX packets:19 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2624 (2.5 KiB) TX bytes:2624 (2.5 KiB)
6 Realizamos un ping
# ping 192.168.43.22
PING 192.168.43.22 (192.168.43.22) 56(84) bytes of data.
64 bytes from 192.168.43.22: icmp_seq=1 ttl=64 time=0.048 ms
64 bytes from 192.168.43.22: icmp_seq=2 ttl=64 time=0.055 ms
64 bytes from 192.168.43.22: icmp_seq=3 ttl=64 time=0.058 ms
64 bytes from 192.168.43.22: icmp_seq=4 ttl=64 time=0.054 ms