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Ubuntu Cannot Ping Lan


UbuntuCommunityAsk!DeveloperDesignDiscourseHardwareInsightsJujuShopMore ›AppsHelpForumLaunchpadMAASCanonical current community chat Ask Ubuntu Ask Ubuntu Meta your communities Sign up or log in to customize your list. Changing the subnet mask and/or gateway ip address results in loss of internet connectivity. On the Ubuntu in question have you checked your firewall settings?The reason they can't ping the Ubuntu (until Ubuntu pings first) is because there is no entry in the arp table more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science http://bovbjerg.net/cannot-ping/ubuntu-cannot-ping-out.php

My computer is connected to the internet through my modem/router but since my house has 2 floors (me being in the bottom one) my father decided to put a new router It's one of those dual band ones. If i ping above it returns host unknown. Just open /etc/resolv.conf file . have a peek here

Ping Destination Host Unreachable Linux

How is Anti Aliasing Implemented in Ray Tracing? Both the laptop and netbook that are having this problem haven't been changed or customized or anything, they still have all the stock settings. If that is the case, then try running wireshark on the computer pinging and see if you can see the " is at " response Username Forum Password I've forgotten my password Remember me This is not recommended for shared computers Sign in anonymously Don't add me to the active users list Privacy Policy


If it comes up =1 then this is set to ping out but not to receive pings.To amend it to zero type in = "sysctl -w net.ipv4.icmp_echo_ignore_all=0"Hope this helps somewhat.B2 Logged Hostname? –terdon♦ May 8 '14 at 2:25 Who is telling you "destination host unreachable" - your local adapter or something else? Please re-enable javascript to access full functionality. Cannot Ping Ubuntu Server Go into your tcp/ip properties/ ipv4/advancedbutton/dns taband remove any listed dns suffix's.

Surely I am doing something wrong, so any help would be appreciated. Destination Host Unreachable Ubuntu Possible repercussions from assault between coworkers outside the office How to handle a common misconception when writing a Master's thesis? But the server won't hit: gb.archive.ubuntu.com/ubuntu but when using a browser the page opens perfectly. http://askubuntu.com/questions/105806/cannot-ping-ssh-computers-in-lan-including-gateway-but-can-still-access-the-in share|improve this answer answered Dec 28 '09 at 15:56 harrymc 191k7168410 I don't know why those metrics were all set to zeros, but now only the local network route

Repeat for Computer 2. Unable To Ping Computer On Network Browse other questions tagged ubuntu networking ping or ask your own question. Computer Hope Forum Main pageFree helpTipsDictionaryForumLinksContact Welcome, Guest. Computer 1 is my personal laptop and it has a lot of traffic so I'm not going to post the full results here.

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  • share|improve this answer answered Oct 1 '09 at 6:25 Zoredache 95.3k22185319 please see my comments above –shaiss Oct 1 '09 at 18:19 Thank you for pointing me
  • If so you won't want to set the VPN as a default gateway and you will probably want to statically define a route.
  • Back to top #14 Pantodynamos Pantodynamos Topic Starter Members 45 posts OFFLINE Gender:Male Local time:05:28 AM Posted 27 March 2015 - 02:54 PM No, I saw no suffixes listed.

Destination Host Unreachable Ubuntu

If I ping Computer A from Ubuntu, then Computer A will instantly start getting a response, but Computer B will not get anything. Then this one router wan output goes to my 2nd router, a vonage router, which has the wan output gong to my cable modem. 2. Ping Destination Host Unreachable Linux share|improve this answer answered May 8 '14 at 4:38 Sulliwane 1,09221731 I set computer 1 eth0 to a fixed IP of Can't Ping Own Ip Address Sharepoint 2013: Rest API - does header need to include X-RequestDigest?

I also talked to a customer representative and he didn't mention any. navigate here If it comes up = 0 this is fine and it is set to ping out as well as to receive. On Computer1: arp -s 00:22:43:9b:7b:64 On Computer2: arp -a c4:85:08:77:d3:f5 share|improve this answer edited May 16 '14 at 13:01 answered May 16 '14 at 12:55 MattBianco 1315 add a How is the correct air speed for fuel combustion obtained at the inlet of the combustor? Cannot Ping Computer On Same Network

Also, surprised to see that you were able to connect two PCs together and ping each other did you use a crossover cable? The only thing that helped is a full reinstall. Is there a way to block a President Elect from entering office? Check This Out What does cardamom end with as in cardamom.?

With my laptop, that still uses dhcp, it always gets the same address, so I just put that address ( in the ubuntu hosts table. Cannot Ping Computer On Lan Symmetric group action on Young Tableaux I am seen in darkness and in light, What am I? Try this on Computer 1: route add -host metric 0 dev wlan0 Also try removing the route to and see if that will help.

You don't need static ip's for this, technically, since using dhcp USUALLY (but not always) assigns the same ip addresses to each computer on boot up. (The computer remembers it's last

Before I noticed this problem, I could ping it by typing just 'ping cardamom', and that was that. At least, I can't ping, dig etc. Try have the router DHCP assign the addresses instead of statically assigning them yourself. Clear Arp Cache Linux Back to top #15 CaveDweller2 CaveDweller2 Members 2,629 posts OFFLINE Gender:Male Local time:07:58 PM Posted 27 March 2015 - 03:07 PM So your IPv4 properties, the DNS is set to

Iowa BeansHidden! In my house I have 3 computers, my laptop, my mother's pc and my father's pc. Also open up a terminal to check icmp settings.type in = "sysctl net.ipv4.icmp_echo_ignore_all"This will allow you to check the settings. http://bovbjerg.net/cannot-ping/ubuntu-10-04-cannot-ping-router.php Could anybody help me understand what exactly this 'Primary DNS suffix' thingie is why can't I ping other computers properly across the LAN?

Assembler for CPU What episode of Star Trek is this creature on? Either run the screen command or do this on PC1 sudo tcpdump -w pc1.pcap -ni wlan0 arp & and on PC2 sudo tcpdump -w pc2.pcap -ni wlan0 arp & & should Tango Icons © Tango Desktop Project. Be able to ping the router.

I apologize if this is too low level and goes over your head. Hopefully, you should also see in wireshark something along the lines of " is at ". I wouldn't worry just now though as no packets seem to get through until you ping from the Ubuntu machine.Anyway if you try checking the settings on the firewall you are Once you ping from the Ubuntu machine to your host it then adds an entry to the arp table.Continual pinging (from multiple machines) will result in flooding the tcp/ip service with

How to reduce the width of the equation in a text paragraph? Address: Similar results on Ubuntu. Or make a hotspot on the phone connect both PCs and try to ping? more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science

Not in the linux machines themselves. You will also need to have address space that doesn't conflict between the two networks. If it comes up = 0 this is fine and it is set to ping out as well as to receive.