Tuesday 24 July 2018

linux - VMware - CentOS 6.5 Static IP Addresses


I installed CentOS 6.5 On VMware Workstation With a static IP Addresses but I'm not able to use Internet connection!!


I applied all the steps performed in this post (From the official CentOS Website): https://wiki.centos.org/FAQ/CentOS6 but no change.


So, here is my configuration's files :


/etc/sysconfig/network-scripts/ifcfg-eth0


DEVICE=eth0
TYPE=Ethernet
UUID=e27d33be-dfc0-425c-a382-d21ed55dd3de
ONBOOT=yes
NM_CONTROLLED="no"
BOOTPROTO=static
HWADDR=00:0C:29:C9:BE:CF
IPADDR=192.168.1.66
PREFIX=24
GATEWAY=192.168.1.1
DNS1=8.8.8.8
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth0"

/etc/sysconfig/network


NETWORKING=yes
HOSTNAME=hadoop.opentuto.com
GATEWAY=192.168.1.1
NTPSERVERARGS=iburst
DNS1=8.8.8.8

/etc/resolv.conf


# Generated by NetworkManager
search opentuto.com
# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com
nameserver 8.8.8.8

When I ping 192.168.1.1 and 8.8.8.8 from the Centos box, I get these messages :


[root@hadoop Desktop]# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 192.168.1.66 icmp_seq=1 Destination Host Unreachable
From 192.168.1.66 icmp_seq=2 Destination Host Unreachable
From 192.168.1.66 icmp_seq=3 Destination Host Unreachable
.....

[root@hadoop Desktop]# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
From 192.168.1.66 icmp_seq=1 Destination Host Unreachable
From 192.168.1.66 icmp_seq=2 Destination Host Unreachable
From 192.168.1.66 icmp_seq=3 Destination Host Unreachable
.....

When I execute ifconfig from the CentOS box, I get this :


[root@hadoop Desktop]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:C9:BE:CF
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fec9:becf/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:317 errors:0 dropped:0 overruns:0 frame:0
TX packets:192 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:29919 (29.2 KiB) TX bytes:8376 (8.1 KiB)

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:387 errors:0 dropped:0 overruns:0 frame:0
TX packets:387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:37648 (36.7 KiB) TX bytes:37648 (36.7 KiB)

When I ping the VM ping 192.168.1.1 is Unreachable


Ad finally, arp -a dont show dont show the static IP addresses of the CentOS box, It show only this :


C:\Users\open>arp -a

Interface : 192.168.1.7 --- 0xd

Interface : 192.168.56.1 --- 0x14

Interface : 192.168.80.1 --- 0x16

Interface : 192.168.42.1 --- 0x17

My computer IP Addresses is : 192.168.1.6. My router IP Adresses : 192.168.1.1. I'm Using Bridged Network.


NB : I posted the same question on Stackoverflow, but one user told me, I have to move here because Stackoverflow is only for programming questions.


Thank you.



Answer



After initial troubleshooting the problem was identified to be VMware Workstation's Network settings. Resetting with "Restore Defaults" in the Virtual Network Editor solved the issue.


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