Networking :: Unable To Ping Between Centos And Windows XP

Dec 16, 2010

In my office i have a network of 172.16.31.0 and a squid proxy server running, all other systems have windows XP and one system has centos. On centos system i have three lan cards and i want to test some things on it. So i assigned another IP on it of range 192.168.7.0/24 and same range on another windows system. And all the systems connected through a same network switch.

Unable to ping between Centos and Windows system. If i ping from one centos to windows system with the series of 172.16.31.0 then it replies very well but same thing is not happening in other 192.168.7.0/24 IP series.

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Ubuntu Networking :: Unable To Ping To Windows?

Jan 8, 2010

I have am having some network troubles. I can't access my samba share. Trying to resolve this I realized I couldn't ping from ubuntu to windows. (default ubuntu.jaunty.server.x64)

Windows IP..192.168.002.021
Ubuntu IP...192.168.002.020
Laptop IP...192.168.002.031
Router IP...192.168.002.001

[Code]....

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Jan 28, 2011

Givens

LAN
CentOS 5.5
Windows 7 machine (hostname/NETBIOS name: AwesomePC, LAN IP: 192.168.1.20)
Workgroup: Cake
No WINS server
No Domain
No AD

Goal

From CentOS 5.5, have

# ping AwesomePC

resolve to a ping on 192.168.1.20

Problem

# ping AwesomePC

resolves to some random public IP that seems to be coming from my WAN DNS (openDNS) servers

ATTEMPTS

Have edited /etc/nsswitch.conf, edited line: hosts: files wins dns Have edited /etc/resolv.conf, added line: search CAKE Have installed samba (# yum install samba) and run (# service smb start), with /etc/samba/smb.conf, workgroup = CAKE, name resolve order = wins host lmhosts bcast

Does # ping even care about samba? How can I get this to work?

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If I switch over to the Wired Network then I can ping the other machine.

I don't understand why ping doesn't work only over the Wireless. I can ping the router so I'm guessing it's getting blocked by the router but I didn't block ICMP traffic.

I tried asking on IRC and they ran out of ideas too to find out where the problem is.

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Oct 31, 2009

I have two machines, one has XP service pack2, second one has CentOS 5.3 (Linux), they are connected through crossover cable. I have configured everything fine but don't know why till now can't ping!

A. Windows machine settings as follows:

IP Address: 192.168.1.3
Subnet Mask: 255.255.255.0
Default Gatway: 192.168.1.1
+ Firewall is turned OFF.

B. For Linux machine, I will list everything stored in network files, logged as [root@localhost ~]# :

1. /etc/sysconfig/network:

ifconfig eth0 192.168.1.4 netmask 255.255.255.0 up
route add -net 192.168.1.0 netmask 255.255.255.0 eth0
route add default gw 192.168.1.1 eth0
NETWORKING = yes
NETWORKING_IPV6=no
HOSTNAME=localhost.localdomain

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

DEVICE="eth0"
IPADDR="192.168.1.4"
NETMASK="255.255.255.0"
ONBOOT="yes"
BOOTPROTO="yes"

3. /etc/resolv.conf

nameserver 192.168.1.4
search locadomain

4. I restarted network service using this command:

/etc/init.d/network start

everything is fine. When checking using ifconfig command. I get the following:

eth0 Link encap: Ethernet HWaddr 00:08:0D:EE:19:66
inet addr:192.168.1.4 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr:........

[code]....

I mean I assigned the IP: 192.168.1.4 to Linux machine (Eth0). I did everything above and can't ping till now, when pinging from windows or Linux I get a message "destination host unreachable" restarted Linux many times but same result. NETWORK CABLE is working fine I tested it.

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Default gateway of Eth0 is to Internet Router (64.1.1.1)

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Eth0:2 -> 202.1.1.3
Eth0:3 -> 202.1.1.4

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I'm trying to get to the point where I can get to the internet to download what I need on this Linux machine.

The situation is this (*fictitious addresses used) -My Linux machine uses a fixed IP address (10.100.150.21)
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I have connected my Windows XP2002 laptop with Linux 5.4 server through a direct LAN cable. I have made following configurations:

Windows:
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Gateway: 192.168.10.1

Linux:
eth0:0 IP: 192.168.10.1
eth0:1 IP: 192.168.10.3
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i have installed linux debian in my computer but i have aproblem , i have a ping only on my computer itself , not to gateway or other computers on my network .

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dns :10.0.88.7

note:when i have installed system i have no internet connection so it is not installed updates

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Here is /etc/hosts:

Quote:

I disabled the firewall, disabled SELinux, and still not able to ping it.

Here is the info from ifcfg-eth0 :

Quote:

Quote:

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[Code]...

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[code]...

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Windows box (uses wireless connection for the router):
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Subnet: 255.255.0.0
No gateway, primary/secondary DNS.

Linux box:
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Subnet: 255.255.0.0
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One LinkSys PCI card:
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Subnet: 255.255.255.0
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