Networking :: Ping The Ipaddress (192.168.1.230,192.168.1.1,192.168.2.1,192.168.2.1 57)?
Dec 15, 2010
I have a router which have 4 ethernet ports(eth0,eth1,eth2,eth3,eth4 ) & One ADSL Line & One USB, I need to configure My router eth3 as a WAN & eth0 as a LAN ... using iperf , I am going to findout test a my Application(using iptables) whether my application is correct or wrong ...As of now I configured like server pc1(192.168.1.230)--->eth0(gw)(192.168.1.1)Router--eth3(gw)(192.168.2.1) -->pc2(192.168.2.157)...For eth3 as a WAN and eth0 as a LAN.... But I am not able to ping between two pc's..From router I can able to ping This ipaddress (192.168.1.230,192.168.1.1,192.168.2.1,192.168.2.1 57)
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Jul 12, 2010
i just installed ubuntu8.10 in my desktop under system xp.When i entered ubuntu and opened the firefox,not one website can be opened,it says 'unknown name'.Then i ping the URL,there is no one can be ping across,even my own ip address.
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Jul 15, 2011
I am using an virtual machine. where I need to ping from one machine to another. earlier I was able to ping. But after going to google.com once, I cannot ping back to this machine.
But if I gave ping -I eth1 <IP> then I can ping.
I cannot install any package, so tell me solution which includes not installing any package.
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Oct 15, 2010
My windows XP computer cannot get an IP address from the Ubuntu 10.04 DHCP server. It is configured on the DHCP server to receive a static address outside the main DHCP pool.
Partial config:
Quote:
subnet 192.168.168.0 netmask 255.255.255.0 {
pool {
failover peer "dc02";
range 192.168.168.1 192.168.168.164;
[code]....
The Windows machine seems to think there is already another computer on the network with 192.168.168.178, but it's wrong: there is no such address on the network.
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Apr 27, 2010
I'm new to Linux, i have couple of setups like
1. RHEL5 (2.6.18-128.el5) running fine on VMware(6.5v)
2. RHEL5 (same version of ker) running on Laptop (DELL Latitude D710)
there is a wireless modem which running at home with that i was being able to access the internet from VMware image running with RHEL5.
BUT internet does not work from the laptop. Network manager are running on both VMware image and Laptop.. What is the steps i need to follow to get WiFi Enabled so that it should pick the ipaddress from Wireless Modem to get internet access to my laptop.
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Aug 16, 2011
The details of "how to access externally with hostname instead of IPAddress in fedora"
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Dec 25, 2008
in my iptables script I define the environment like this:
Code:
# ENVIRONMENT
# Private interface
IF_PRV=eth1
[code].....
if I give the IF_PUB interface the DYNAMIC IPaddress assigned by my ISP how can I define it in IP_PUB and also the NET_PUB so I can then use it for the firewall rules.
exemple rule:
Quote:
iptables -t nat -A POSTROUTING -s $NET_PRV -o $IF_PUB -j SNAT --to $IP_PUB
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Jul 9, 2010
Ive got a problem on my server ....installed Debian 5 , Webmin and than syscp settung up syscp ready ....
I try to ping "localhost" ansver ping: unknown host
I try to ping "localhost." there is a host with IP 127.0.0.1
I need it to change it in "localhost"
Is that the bind9 maybe?
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Mar 15, 2011
In my working environment have 40 system .Its ip address is given manuallyto connect each for lan connection .40 are not using ubuntu while other using windows .My question is there any package to trace ips of entire system
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Jan 27, 2010
I recently installed fedora 12 in my server where I had a page published in my local net by tomcat, and I was looking on the Internet how to set up an static ip address and this is what I did
on /etc/sysconfig/network-scripts/ifcfg-eth0
# Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express
#
# File: ifcfg-eth0
[code]....
then I can access via ssh by two addresses the one I got from dhcp (10.17.148.223) and the static one (10.17.148.26) I put ifconfig and and 10.17.148.223 appear on eth0 I restart my server and I just can access from 10.17.148.223 I have to put
ifdown eth0
ifup eth0
Again...to access by my static ip, y can access my page by its dns on my server, but I cant access from other computer...so, I guess when my static adress appears on ifconfig I would be able to access my page from other computer...
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Jul 24, 2010
I have two machines on this network, one running Ubuntu and the other running Fedora.
When I'm using the Wireless network on the Ubuntu machine, I cannot ping the Fedora machine. Everything else works. I can browse the net fine.
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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Feb 1, 2011
I just installed my first EVER bind DNS server. I am running bind9 on Ubuntu 10.04. Everything seems to be working great except one thing: If I ping a host that I have set up in bind by its HOSTNAME the pings take 5-6 seconds to reply/print to the screen between each echo response. If I ping by the host's IP address, they echo back very quickly.
I have read that IPv6 can cause this, but I have disabled it in /etc/sysctl.conf and the problem still exists.
I know everyone says this can't be a DNS issue, but this never was an issue with dnsmasq (which i was using prior), and it doesn't make sense that the ping are ONLY slow when pinging by hostname and not IP.
Configs below:
Ping by hostname - there is a 5-6 second delay between each one of the responses:
Code:
Ping by IP - the responses come VERY quickly one after the other:
Code:
/etc/resolv.conf:
Code:
Code:
rev.0.168.192.in-addr.arpa:
Code:
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Apr 29, 2010
So, I have an Virtual Machine running CentOS 5.4. It sits behind a hardware firewall which also does NAT'ing. I've set up plenty of these, so I know for sure the firewall and NAT rules are set up correctly. From the host, I can ping anything in my subnet and the gateway. But I can't ping anything else beyond the gateway. I can perform DNS queries and when I try to ping, it finds the appropriate IP address.But from the outside, I can ping the PUBLIC address (It's a 1 public to 1 private address NAT, not 1 public to multiple private). I've tried it with IPTABLES on and off, with no change.
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May 26, 2010
I have Mandriva One 2009.0 (192.168.1.100) on one box and Mandriva Free 2010.0 (192.168.1.118) on the other. I can ping router (192.168.1.1) from both of these boxes but I can't ping one box to the other and the other way around. What's going on?.
Do I have to change some settings in router?. Or is it firewall issue on those two machines?. Both of these boxes are connected by cable. Symbol of the router: TL-WR340G.
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May 21, 2009
I have connected xp and fedora through crossover cable . xp has ip address 192.168.0.1/24 (manually assigned) fedora has 192.168.0.2/24 with default route equal to 192.168.0.1
I can ping fedora from xp computer but i can't able to ping xp from fedora computer.
I have manully edit the /etc/sysconfig/network-scripts/ifcfg-eth0 file with correct subnet mask and ip address because when i tried to give ip address manully in network manager the subnetmask is replaced with gateway address don't know why.
Now i want to share internet through crossover cable . xp is connected to internet through wireless usb adapeter.
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Apr 23, 2010
I try to ping with php : exec("ping -n 1 $ip",$output[],$retval); it works fine in window. but in linux i got this error : ping: icmp open socket: Operation not permitted are there any ways to solve this ?
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Jan 19, 2010
Host - Fedora 12 64bit
KVM
VM - Windows Server 2008 64 bit
bridge-utils
VM can ping host and Internet but host can't ping VM.
I set VM static IP 192.168.0.205.
It turns out dynamic IP - 192.168.0.55
On host:
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Feb 10, 2010
Ho do I modify the configuration /etc/httpd/conf.d/turbopanel.conf to remove the extra NameVirtualHost IPaddress:80? When I restart apache I'm getting the following error
[root@ip-208-109-184-220 ~]# apachectl restart
[Wed Feb 10 10:56:38 2010] [warn] NameVirtualHost 208.109.186.16:80 has no Virtu alHosts
[Wed Feb 10 10:56:38 2010] [warn] NameVirtualHost 208.109.186.16:80 has no Virtu alHosts
[Wed Feb 10 10:56:38 2010] [warn] NameVirtualHost 208.109.186.16:80 has no Virtu alHosts
[code]....
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Dec 2, 2009
I am new to Ubuntu 9.10. I have installed Ubuntu and it's working fine. I would like to set fix IPAddress and Subnet.
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Sep 6, 2010
it is possible to trace ipaddress manually.Wondering whether a bash script could do the same without manual intervention. Kindly enlighten on this topic.
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Oct 31, 2010
Since Port 80 and 443 are the only ports I have open, how is it that an IPAddress can hit my server yet not appear in ANY logs ?
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Apr 11, 2010
We are using squid proxy server for accessing Internet in RHEL4.
How to find out internet usage by ipaddress?
Is it possible in linux?
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Nov 11, 2009
In a remote machine port 25 is open its enabled in firewall also...but not able to connect through telnet..why ?
netstat -an | grep 25
Code:
tcp 0 0 0.0.0.0:44525 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
[code]....
Code:
telnet 172.17.65.206 25
Trying 172.17.65.206...
telnet: connect to address 172.17.65.206: No route to host
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Feb 23, 2011
This applies to my 2 opensuse PC's, my Windows PC is fine.I can ping a hostname, say "PC1" but I can not ping PC1.domain.local (even the host PC can not ping it's own FQDN). When I ping just the hostname the ping stats even list the FQDN.Onto the next issue, since all my PC's, have the domain prefix domain.local, my Synology can not. I can ping it's IP and that is it. I can resolve it's name with nmblookup just fine tho and that is what is killing me. How is this not resolving.Even weirder, I can browse to "Synology" in Network Servers under places on the slab.
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May 13, 2011
Even ping google's ip address doesn't work. unknown host error using backtrack4 able to browse net with these settings.
My network settings:
What's the problem with these settings...
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Aug 9, 2011
I have forwarded ssh and rdp protocols in the router which is in remote location. And i aslo configured dhcp reservation for my windows server's ipaddress. I have added that reserved ipaddress of windows server in the RDP port forwarding ip. And i connected to windows server through remote desktop with the ipaddress of the router because i needed a public ipaddress to connect. And now i am going to add my linux servers ip also to dhcp reservation and forward ssh port and give that reserved ipaddress. can i connect to linux server with same public ip that i used to connect for windows server?
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Aug 5, 2010
there are many telnet sessions with same login. somebody is always broadcasting message how to know the ipaddress of that machine.
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Apr 27, 2011
I can connect to the internet and browse. I'm wired and using DHCP on a Windows network. Updating Ubuntu or downloading programs takes hours for 52MB of updates. Why? I read some articles that mention Network Manager needs to be enabled at the .conf file. Can I edit this using GUI or command line only?
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Jul 11, 2011
I am trying to get a Linux (Slackware 13.37) working in a Windows networking environment. The IT support for this organisation does not extend to Linux support, so I'm limited in what help I can get for this.
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)
My Windows machine uses a DHCP assigned IP address (10.100.150.213)Both Linux and Windows machine are configured to access the gateway server (10.100.150.1)So, I can ping the Linux machine from the Windows machine and vice-versa.I can ping the gateway machine from the Windows machine.I can browse Windows Shares on the network via SMB from the Linux machine.I CANNOT ping the gateway machine from the Linux machine with the Destination Host Unreachable message being the error message.
For actual internet access I need to access a proxy server but since the Linux machine can't even ping the gateway server, it fails to ping the proxy.Now, I have been told the gateway is a HW based router and for Windows machine they use some software for authentication to connect to the network. This software isn't available for Linux, so that's why I've been told to use a fixed IP address.My experience of networking is pretty basic and most of the Linux setup is done via running Slackware's setup program.
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Mar 25, 2010
How to find ipaddress of the device connected to the system.
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