OpenSUSE Network :: Unable To Ping The Default Gateway When Using Custom Settings - Unreachable Network
Jul 17, 2011
I installed openSUSE on one of my work system. The network port wasn't working when I was installing, but works fine now (checked in Windows). But for some reason, I am not able to configure the network. I used both Dynamic and Static IPs (both work fine in Windows) but still no go. I am using Yast Control Center for this purpose. I can't even ping the default gateway when I am using custom settings. When I use dynamic settings, it says Unreachable Network.
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Jan 6, 2009
Set up new server using RH 2.6.9-42.ELsmp on an old HP G4 server. But can't get network to work, can't ping any host, not even my gateway.
Verified cable by plugin a different pc on it, using same network ip address, etc, it worked fine, could ping gateway and other hosts on same segment. Are there any other files I could check to verify network card on server is good? it was working when it was configured as a windows server.
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Mar 7, 2011
I have two linux servers, I tried to ping from one linux box to another and vice versa but error message is "connect: Network is unreachable" Where as If I tried from windows machine I am getting the reply from both the servers.
C:Documents and Settings>ping bnkprod
Pinging bnkprod.softtech.com [172.20.40.141] with 32 bytes of data:
Reply from 172.20.40.141: bytes=32 time=16ms TTL=64
Reply from 172.20.40.141: bytes=32 time<1ms TTL=64
Reply from 172.20.40.141: bytes=32 time<1ms TTL=64
Reply from 172.20.40.141: bytes=32 time<1ms TTL=64
Ping statistics for 172.20.40.141:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 16ms, Average = 4ms
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Jan 29, 2011
I'm using debian lenny.When I boot with kernel 2.6.36, ping always respond with Network is Unreachable. But when I boot with kernel 2.6.26 it works. I can't even ping the dafault router of 2.6.26 kernel when I am at 2.6.36. Also, system/administration/network does not show any connections while it shows something at the other kernel.
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Dec 16, 2010
I have a laptop running OpenSuSE 11.2. I use the Yast menu to set up network settings via "traditional" ifconfig setup (not NetworkManager), because I found NM unusable in prior releases when doing network gymnastics such as router re-flashing, LAN reconfiguration, etc. where I needed control of the IP address, netmask, DHCP, tftp, etc. My laptop works fine with Yast "traditional" ifconfig configuration for eth0 connected to router to Internet. Works fine with Yast ifconfig configuration for USB WiFi as wlan1 to WiFi router to Internet. Also works fine for virtual machines on vmnets NAT-ed to the Internet. Works fine as long as there is only one network connection, that is.
Now, I have a second laptop. I want to network laptop #2 eth0 to laptop #1 eth0 for file transfer and/or Internet access WHILE laptop #1 is is linked to the Internet through wlan1. Unfortunately, I have not figured out how to get Yast/Network Configuration to do that. I have not been able to get Yast/Network Configuration to see both wlan1 and eth0 at the same time--when the Yast utility finishes, I do >ifconfig and >route, and I find that I have lost either eth0 or wlan1. Thus, when I do direct-connect file transfers, I loose the WiFi Internet connection on both machines.
I suspect that it might have something to do with Yast/Network Configuration utility not being able to handle two network interfaces on the host with different IP addresses. how to properly put an OpenSuSE machine on two networks simultaneously? And then how to turn on IP forwarding so that I can use laptop #1's WiFi as an Internet gateway for laptop #2?
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Nov 1, 2010
I recently upgraded a 11.0 installation running on Xen Server to 11.3. I am experiencing frequent network disconnections now. The ip address and default gateway is assigned statically. However, the system seems to ignore the default gateway after a while. Then after several minutes it seems like it comes back.
Code:
root@poe5e:~/ > route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.111.0 * 255.255.255.0 U 0 0 0 eth1
172.16.107.0 * 255.255.255.0 U 0 0 0 eth0
link-local * 255.255.0.0 U 0 0 0 eth0
loopback * 255.0.0.0 U 0 0 0 lo
default 172.16.107.254 0.0.0.0 UG 0 0 0 eth0
root@poe5e:~/ > ping 172.16.107.254
PING 172.16.107.254 (172.16.107.254) 56(84) bytes of data.
64 bytes from 172.16.107.254: icmp_seq=1 ttl=255 time=0.515 ms
64 bytes from 172.16.107.254: icmp_seq=2 ttl=255 time=0.484 ms
64 bytes from 172.16.107.254: icmp_seq=3 ttl=255 time=0.496 ms
64 bytes from 172.16.107.254: icmp_seq=4 ttl=255 time=0.473 ms
^C
--- 172.16.107.254 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2997ms
rtt min/avg/max/mdev = 0.473/0.492/0.515/0.015 ms
root@poe5e:~/ > traceroute orl3akm1n
traceroute to orl3akm1n (10.111.19.19), 30 hops max, 40 byte packets using UDP
1 172.16.107.250 (172.16.107.250) 0.405 ms 0.398 ms 0.357 ms
2 * * *
When my sessions suddenly die and I have to coax it into routing correctly again.
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May 11, 2011
unreachable computer's ifconfig reports xxx.xxx.xxx.37 but when I ping that address from another computer it says "Destination Host Unreachable" (all the other computers on the LAN can ping each other except this one particular computer)I can ping other computers from the unreachable computer just fine...
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Mar 12, 2009
I installed Fedora 10 and are using KDE. I struggled to get my network up and running - error for ping was "network is unreachable". I eventually got it right by modifying my ifcfg-eth0 file manually.
Now I'm trying to install with yum, but yum fails to connect, probably because of the proxy. I've set the proxy in <System Settings><Network Settings><Proxy> but it doesn't allow me to also add the authorization - greyed out. I've chosen the manual configuration of proxy.
1. How can I enable or allow the adding of authorization in the proxy dialogs or
2. Where is the proxy file which I can modify from command line (and how)?
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Feb 5, 2010
I all, I 've two computer with Ubuntu 9.10 (desktop version)connected by cross over cable.
I try to connect this computers in LAN with the following command:
ifconfig eth0 [address] netmask [netmask] up
When I ping from first computer to second the output is "Network is unreachable"
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Feb 26, 2010
I have openSUSE 11.2 installed and i need to create a gateway server that allows virtual private network connections. I want to play with my friends some lan games, but we are in different networks, so i want to create this gateway server so we can connect with VPN clients to this server and play freely.
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Jul 15, 2010
Why trying to avoid ranting about my Linksys router, I'll try and keep things short. I have a Linksys router in which the default firmware was terrible and would not correctly renew its DHCP lease. After getting feed up with that I flashed dd-wrt on the router and now it works better but randomly DNS queries would stop being resolved. To rule out the chances that it is my ISPs DNS servers I switched my DNS to openDNS, same problem happens (although I have to admit openDNS is a lot better than what my ISP has).
Anyways I'm about feed up with it and about an inch away from drop kicking the thing out my window. To avoid that I figured I will give it one more change and instead of using my Linksys as my network gateway I'll move all of that to my home server, and make the Linksys just an wireless AP. Besides setting up DHCP, DNS, and iptables on the server is there anything else I will need to know and setup on the server to make this work?
Side note anyone using openSUSE for DHCP know if setting up reserved IPs for certain MAC address is possible?
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Aug 16, 2009
I installed centos 5.3 x86 at vrtualbox on windows 7 x64 as host. The ping answers "network is unreachable", ifconfig has an ip "192,168,51,100". At control panel, I seleted intel PRO/1000MT Desktop Host only. Is this centos's problem?
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Aug 29, 2010
I just installed open Suse 11.3, and I cannot SSH my school. Upon further investigation I could not even ping any machines outside my local area network. Ironically I could nmap machines outside my local area network.
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Feb 13, 2011
I'm new to SuSe and lateley I was trying to establish a Network, when some weired problems occured. I was able to establish the network and i have connection to the internet. The suse-machine is rechable by ping from all the other computers in the network. If I'm tryiing to ping the other computers from the suse-machine, nothing happens. The router responds without packet loss, but every other ping occurs in:
From 192.168.2.6: icmp_seq=2 Destination Host Unreachable
From 192.168.2.6: icmp_seq=3 Destination Host Unreachable
From 192.168.2.6: icmp_seq=4 Destination Host Unreachable
From 192.168.2.6: icmp_seq=5 Destination Host Unreachable
I've been searching for some ideas to solve this problem but couldn't find any.
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Mar 25, 2010
I have one server with 4 network interfaces:
eth0: 192.168.0.0/24 - local lan A
eth1: 200.1.2.3 - internet link - default route
eth2: 192.168.10.0/24 - local lan B eth3: 192.168.20.0/24 - local lan C
Lan A - Default routing to eth0
Lan B - Default routing to eth2
Lan c - Default routing to another server but the workstations has static routing to this server too.
Everything is working fine on Opensuse 11.1 until I upgrade this sever to Opensuse 11.2 ( Reinstall, not update at all ). After upgrade to 11.2 the routing across local lan interfaces simply not work, if you try to ping lan-to-lan you got the message: Network unreachable, even with the IP Forward enable, but the default route is working fine trough the SNAT.
I've come back to Opensuse 11.1 and everything become normal, does anyone have an problem like this? Maybe a bug? PS: I do not try to disable the AppArmor, next weekend I will try Opensuse 11.2 without the AppArmor and post here anyway.
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Oct 21, 2010
I've been struggeling with this for a few hours now, googleing and so on trying to find an easy way to just switch which device I want as primary for internet connections. After long battles I'm at a loss, this is the current automatic routing
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
85.225.76.0 0.0.0.0 255.255.252.0 U 1 0 0 eth0
85.225.76.0 0.0.0.0 255.255.252.0 U 2 0 0 wlan0
[Code]...
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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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Apr 27, 2010
setup my static network connection Here are my details :
IP : 172.16.152.137
Subnet : 255.255.255.192
Gateway : 172.16.152.191
Primary DNS : 172.16.0.1
[code]....
but after this setup when i restart my network #service network restart while bringing up the eth0 the following message is displayed before [OK] - RTNETLINK answers : Invalid Argument now it seems either this setup is wrong or not sufficient to set up the connection, whenever i try to ping 172.16.0.1 it showing connect : Network is Unreachable
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Feb 23, 2010
I have installed ubuntu 9.04 Jaunty server from disk. I am connect to my corporate internet. I have put in my http_proxy everywhere I can find to put it. I am getting an ipaddress, gateway, broadcast,etc. My wired is connected. When I try to ping my default gateway it times out. %100 packet loss. I get the ipaddress of the gateway from the (route command).
My configurations on /etc/network/interfaces is correct(I am on another computer so I can't copy and paste) and I even tried updating the drivers for NIC card. I am using a Intel 82567LM-3. I have been working on this longer than I care to admit.
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Nov 17, 2010
I deleted the firewall files "K09SuSEfirewall2_init", "K01SuSEfirewall2_setup", "S11SuSEfirewall2_setup" and "S01SuSEfirewall2_init" from "/etc/rc.d/rc5.d" in order to disable the firewall when rebooting.
As a consequence all network services are not working. I can't connect to any other machine nor to the internet.
I rebuilt the symbolic files based on the ones for runlevel 3, but still no network services are available.
Any suggestions how to make it work again? I'm using Suse 11.3.
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Jan 31, 2010
I've updated a desktop from 11.1 to 11.2 with the NET CD. After completion everything worked fine, though I have some issues with the NIC. been looking on the net and the provided solutions haven't been able to resolve the matter. After reboot I don't get an IP address, I go into Yast2 and network settings displays:
I have to delete the unknown device everytime after a reboot in order to get a new IP address. After that all works as it is suppsed to. I've been looking into the /etc/udev/rules.d/70-persistent-net.rules and deleted all that was in there,
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Feb 9, 2010
I have a desktop computer running OpenSUSE 11.2 with two network cards installed. I would like to use both cards for connecting to the internet using different networks. The setting would be the following: eth0 is the main (default) card, almost all programs should use this NIC for connecting to the internet. eth1 is used only by a few programs, which have setting for selecting which network interface to use. The two NIC's are connected to different networks, so the IP address of the NIC's, the related subnet masks and gateways are also different.
Saying short, I would like to have the two NIC's as they would be in two separate computers. I can set the IP address and subnet mask of the NIC's. The main problem is that I can only declare one gateway. How can i setup this? I do not use network manager, I configure network cards using yast, but if needed I can of course use ifconfig directly.
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Jul 2, 2010
I posted it on another forum, but could not get response,So I have this cenOS, Ubuntu and windows operating system running on virtual machines.Now I gave them manual ip address, both ubuntu and windows machines can ping the default gateway, but not the CentOS.It should forward 0.0.0.0. to my cisco router address(192.168.5.254),
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Feb 12, 2010
When a second network adapter is fitted, the boot script fails to configure the default gateway. Here's from /var/log/messages with DEBUG_ETH_UP="yes" configured for the boot script Code: Feb 13 10:22:23 ps1 logger: /etc/rc.d/rc.inet1: /sbin/route add default gw 191.168.1.1 metric 1 Feb 13 10:22:23 ps1 logger: SIOCADDRT: No such process
After boot the same command failed with the same message when done by root logged in via ssh but succeeded when run from the console After removing the second network adapter, the boot script is able to configure the gateway.
EDIT: or not. The problem now seems intermittent Now with only the onboard network adapter the same "SIOCADDRT: No such process" error is logged during boot and the "/sbin/route add default gw 191.168.1.1" command fails at the console too. Am experimenting with disabling the onboard adapter and fitting the NIC.
EDIT 2: definitely intermittent. Just rebooted with no hardware changes; same error during boot and route -n showed no default gateway but "/sbin/route add default gw 191.168.1.1" worked.
[Code]....
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Jun 7, 2011
I've not found how to configure more than one ip address with network manager.Nor with kde nor with plasmoid network manager.I need several virtual ip addresses for eth0 when the "default" of eth0 is connected i.e. "Connected to Auto eth0" should initialize the virtual interfaces.I have not found no even how to configure the ip address.I think this will be used from ifup config in yast or not?There I have the virtual interfaces but they are not taken from network manager.And last but no least: Is it possible that when using network manager the eth0 is enabled even no user has logged in?
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Apr 20, 2011
I can't access any of the wired network settings and theres a red square with an X through it. Here are some snap shots. This is really funky.Is this red box with the X suppose to be here?
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Apr 13, 2010
if you try to browse the web from the machine, or log in through a nomachine (nxclient/nxserver) session, it claims there is no internet conenction. You have to run System|Administration|Network and select the stored "Location" for our wired connection. There does not seem to be an option to make this (one and only) "Location" the default. If the machine is up and incoming connections are possible (samba & apache), surely outgoing connections should be working without extra fiddling?
The issue with nxserver (nomachine) becoming unavailable on a re-booted unattended machine (unless someone logs in AT THE MACHINE and runs System|Administration|Network) is causing problems for remote access.
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Feb 1, 2010
The NetworkManager applet on my desktop states that my router is 192.168.2.1 and that my first DNS server is 192.168.2.1, but I cannot ping any hosts on my network using by name. All my other computers are windows so the naming is netbios naming, but I don't know if that makes any difference to DNS. I take it that because the other computers are windows that I need a wins client or something on my Fedora laptop. I would rather not fill out my hosts file because the IP addresses of the windows boxes may change.
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Jan 11, 2011
I have ubuntu 10.4 running on both my desktop and laptop. Both machines are connected to the router in wireless mode with Wifi.I can access internet from both machines without any issues, however I cant ping one machine from another. (and vice versa)
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Feb 19, 2010
I am using slackware 13.0 on my HP 520 machine. I got a problem with wireless connection.I use #iwconfig wlan0 essid Rendezvous key s:09876 mode Ad-Hoc. to connect to the Rendezvous network,but i am not able to ping other machines on the same network. Firewall have no prob. I am using iwl 3945 module.
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