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1
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3answers
108 views

A “failed to fetch” error occurs when apt-get update is run. How do I fix this?

Contrary to the note above, I haven't found the answer to my problem. I have read almost a dozen apt-get update questions, most from askubuntu.com, with "failed to fetch" errors and tried the ...
1
vote
2answers
150 views

Why am I unable to ping the same interface after configuring an IPv6 address

I setup IPv6 in my Ubuntu 12.04 on eth0 using command ifconfig eth0 inet6 add 2001:db8:fedc:cdef::1/64 but when i try to ping eth0 itself using ping6 2001:db8:fedc:cdef::1 it always gives ...
-1
votes
2answers
3k views

Cannot ping any computers on LAN

I havem't been able to find a straight forward answer on this yet. I'm hoping people here are able to help! Keep in mind that I'm a complete beginner at this - this is the first installation i've ...
1
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1answer
36 views

My network disconnects and reconnects all the time

Every few minutes my internet connection fails and then reconnects automatically, though the Network indicator never changes. I can post some logs if needed, I just don't know what, any help would be ...
1
vote
1answer
167 views

Windows xp able to ping ubuntu but not vice versa

I am trying to get both my virtual machines to ping each other. My first virtual machine is running on Ubuntu (brdige connection, using a external network adapter) IP: 192.168.1.148, my second virtual ...
0
votes
1answer
21 views

Ubuntu 12.04 ping 8.8.8.8 does not work on one network only

I'm using Ubuntu 12.04. I can connect to and use the internet on one wireless network (say A) and not on the other network (say B). I can connect to B and get an IP address. When I ping 127.0.0.1 it ...
2
votes
0answers
235 views

Cannot ping localhost after a half day of uptime

This just started like 4 or 5 days ago. I'm running Ubuntu 12.04 desktop, and after about 12 hours of uptime it seems the loopback device just stops working. If I do an ifconfig, it looks like it's ...
1
vote
0answers
17 views

Server running on ESX can ping outside and inside but cannot be pinged (or ssh) from the inside

Have identical vm's that do not have this problem Those identical machines are the only machines that can actually ping and ssh to this certain box. Disabled firewall Added new nic that was e1000 and ...
1
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0answers
16 views

Counting route changes with Ping tool

I am busy doing mesh testbed work, and I am evaluating the performance of this network by the use of several metrics. One of these is the amount of route changes the protocol performs. I note that ...
1
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0answers
148 views

Stateless auto configuration IPv6 in ubuntu 12.04

I have installed ubuntu 12.04. i heard that ethernet interface automatically get a link local address but in my ubuntu box it's not getting link local address. Command ifconfig -a output Link ...
1
vote
0answers
121 views

Ping from one network host to another network host

Need the help to ping vice versa from one network to another network. In between there is 1 ubuntu server. Eth0 is connected with 192.168.88.0/24 and eth1 is connected with 192.168.100.0/24 network. I ...
1
vote
0answers
92 views

I can't upload out of proxy chanels, but I can download & open pages well?

This problem is annoying me for 2 weeks! Unexpectedly, after migrating to Ubuntu I can't upload any thing via ADSL, also I can't send any comment in weblogs. The odd point if I use proxy/ant-ifilter ...
0
votes
0answers
21 views

13.04 - Random Lag Spikes on Wifi

I get random lag spikes on my wifi connection. Here's what pinging a computer on the local network does: 64 bytes from 192.168.1.99: icmp_req=10 ttl=64 time=2.06 ms 64 bytes from 192.168.1.99: ...
0
votes
0answers
26 views

internet problem

I am pinging another system -- its working but when other system is trying for pinging , it's not working. This problem is occuring in windows too I have already changed my lan wire. When attempting ...
0
votes
0answers
87 views

Networking (somewhat) fails after upgrade from Ubuntu 12.10 to 13.04

I cannot connect (nor ping) to my laptop after upgrade from my PC running Windows 7 unless I ping PC from my laptop first.
0
votes
0answers
54 views

IPv6: ping6 from foreign host works, but cannot ping6 on same host

I have a strange issue with ipv6 on Ubuntu 12.04. There are two hosts, directly connected to the internet. Both have assigned a /64 network. They are properly configured with a /128 endpoint each ...
0
votes
0answers
178 views

Why can't I ping my external IP?

I'm behind a router with my other computer. When I try pinging my external IP or the host resolving to it, I don't get host unreachable or a timeout, there just isn't any output at all. It looks like ...
0
votes
0answers
57 views

Latency when gaming through WINE

I managed to set up WINE in my system and I tried playing my favourite game at this moment (League of Legends). Everything runs smoothly even on high resolution and setting but the ping spikes from ...
0
votes
0answers
111 views

Can not ping NIC from another NIC on same System

I have an Ubuntu guest installed in VirtualBox with two virtual network adapters : Internal network adapter + Bridged Adapter. The bridged adapter is using DHCP for connectivity configuration and ...
0
votes
0answers
66 views

How can I fix networking after upgrading a Hyper-V instance?

I upgraded Ubuntu from 10.10 to 11.04 on a Hyper-V virtual server. All seemed to go well except now I have no network capabilities. I can ping the local host but not the gateway. I have been all over ...
0
votes
0answers
165 views

Very high ping (20s) with Realtek 8111E on Ubuntu 12.04 64bit

I have upgraded my main workstations' hardware with a new motherboard (MSI 990XA-GD55) -- the new system has an onboard Realtek 8111E NIC. Network did not work at all until I installed Realtek's ...
0
votes
0answers
50 views

Can not ping to window from ubuntu in LAN with DHCP

I can not ping from Ubuntu to Window in LAN but otherwise. My router is set DHCP mode. Is there any configures?
0
votes
0answers
76 views

Cannot connect to Remote Host

I have a Mini2440 kit which has IP address 192.168.1.230. I connect my laptop by cross cable to kit, configure eth0 address 192.168.1.23 255.255.255.0 but I cannot ping to 192.168.1.230. In ...
0
votes
0answers
98 views

My Ubuntu Server 12.04 box cannot ping my ADSL modem

My Ubuntu Server (12.04) box doesn't ping my ADSL modem. I've setup a simple network which connects a XP box, a Ubuntu Server box and an ADSL modem. The XP box pings the Ubuntu Server and the ADSL ...
0
votes
0answers
141 views

Wireless network : Ping to slow

The last two days my computer is too slow on the network. I have try a ping in Google with 10 packages with the result that following: ping -c 10 www.google.com PING www.l.google.com ...
0
votes
0answers
140 views

Cannot ping gateway at times

Ubuntu 11.10. I have a home network with my PC connected to a router via wi-fi. The router is configured to serve as a default gateway. At times I can't ping the router for about 5-10 seconds and then ...