Destination Host Unreachable - Can't Connect To Internet
May 11, 2012
My internet connection started to disconnect after an office mate used my PC. I thought it was just the cables but it's not. I pinged my ip address and its okay (sent=4; received=4). But when i ping Yahoo! and other websites, it said that "Destination host unreachable" (sent=4;received=0;lost=4;100% loss). What should I do to make my connection okay? I didn't ask assistance from our IT personnel bcoz they said if i want to reconnect/reinstall connection, I have to get an approved request from our bosses. And I don't like being asked bcoz they are like tyrant bosses.
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Dec 16, 2011
Im running 10 units of computers, anyhow my server has no internet connection, the other 9 units has net connection,when i ping the diagnosis is destination host unreachable.I'm using windows XP.
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Dec 15, 2012
My old router recently died and my ISP was kind enough to offer this Thomson one free. But ever since I got it, my PCs cant see each other on the homegroup. They can all get onto the internet - and by using programs like Dropbox or Teamviewer I can share info from one to the other- but I'd like to get my homegroup working again, Both my PCs are running Win 7, connecting wirelessly to the network. When trying to tracert from one to the other it gives this message: Tracing route to GLaptop.lan [192.168.1.79] over a maximum of 30 hops: 1 GDesktop.lan [192.168.1.82] reports: Destination host unreachable. The problem persists when firewalls on both PCs are disabled, and I've attempted to delete the homegroup on both PCs and re-create it.
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May 7, 2011
I have 2 brand new systems, a desktop running Windows 7 Pro connected with a had line, and a laptop running Windows 7 Home Premium connected wirelessly. Both can access the router, both can access the internet, both can be pinged from the router. However, they absolutely cannot see each other on the network. If I try to ping by name, the addresses don't resolve. If I try to ping by IP, I get either no reply or the "destination host unreachable."I've disabled firewall completely on both. I've double, triple, quadruple checked all sharing settings (network discovery is enabled on both, sharing enabled everywhere, etc. etc.). I've tried disabling all other network adapters on the laptop, no difference. I've tried all of the online tips about repairing winsock.
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Mar 17, 2013
ping 10.0.0.1 -t give me destination host unreachable in the same time when i wright ping 192.168.1.1 -t it give me the correct reply but the net doesnt work
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Oct 17, 2011
when do we get Desteination host Unreachable and time to live exceeded while trying to ping .
From 10.1.1.1 icmp_seq=2 Destination Host Unreachable
From 10.1.1.1 icmp_seq=4 Destination Host Unreachable
From 10.1.1.1 icmp_seq=7 Destination Host Unreachable
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Apr 12, 2012
Cisco Linksys E3000
I have different types of network clients connecting to both bands of router (5 ghz and 2.4 ghz), and both bands set to WPA2 only. Everything has been set up and working for the past year with no problems.
Suddenly this morning, none of the 2.4 ghz clients can connect and get authenticated. When I attempt to ping them from a Windows 7 desktop connected by a LAN cable, I get Destination Host Unreachable.
The 5 ghz clients are fine and have had no problems. I tested this with the New iPad connected to the 5 ghz band.
Rebooted the E3000 router and the Comcast cable modem, then installed the newest firmware on the E3000 using the web access portal at 192.168.1.1, and still not working.
Changed the WPA2 Personal security mode for the 2.4 ghz band to WPA2 Personal/WPA Mixed Mode, and now all the clients are connected and authenticated and working OK, albeit slower.
What happened? And how can I fix this so I can change the security mode for the 2.4 ghz band back to WPA2 Personal?
P.S. The types of clients that connect to the 2.4 ghz band are 2 Windows 7 desktops, a Windows 7 laptop, and 5 Cisco Wireless N Internet Home Monitoring Cameras. The camera feeds have slowed down considerably using this Mixed mode.
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Jun 8, 2012
My company has a Cisco IAD 2400 which is handling our phones and the internet (from Service Provider). We are adding a second router, a Cisco 1921, to our network,I think I have everything set up correctly. One department is using the 192.168.2.0/27 subnet. I can ping each computer within that subnet. Also, within this subnet, I can ping the router interface at 192.168.2.1. I can ping 192.168.1.2 successfully as well. This is the interface on the 1921 that goes to the 2400. However, if I try to ping 192.168.1.1 (interface on 2400), I get "Reply From 192.168.1.236: Destination Host Unreachable" I get the same thing if I ping 8.8.8.8.Within the 1921, I can ping 192.168.1.1 and 74.125.224.72 (random google ip) successfully.
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Mar 4, 2011
I am using the window server 2008 and configure tcp/ip properties correct ping locally reply successful when ping localy but when ping yahoo.com then reply destination host unreachable whereas gateway and dns ip is also correct configure so tell me solution about this problem because i am useing the internet.
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Jan 2, 2011
I attempted to upgrade the firmware on the WRT54G2 V1 (the newer, slim black model) but it failed. I let the upgrade run for about 10 minutes and it just sat there and link to router disconnected I run ping for 192.168.1.1 but response is "DESTINATION HOST UNREACHABLE". The router is now completely unusable and the ALL LAN ports lights are ON and Internet light is also ON.
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May 12, 2012
i have my 9 computers 1 prolink modem/router h5200 and tplink switch...for 3 months my connection is quite good..but in the 4th month its starting to Reply 192.168.1.1 Destination net Unreachable..i called up a technician from the network..He changed my modem/router with the same model and it runs for an hour... 5-6 hrs..the problem starts again it begins to ping Reply 192.168.1.1 Destination net Unreachable...b4 my TCP/IP i configured it automatically but now i try to put it manually...my modem/router starts with 192.168.1.1 my first unit starts in 192.168.1.2 and so on.
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Sep 26, 2011
I've tried everything that has been posted so far except for opening up the router itself which I will refuse to do.- Getting = Host Unreachable 192.168.1.20 (I am using 192.168.1.1 as the gateway)- No ping whatsoever even when turning on the router over and over.
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Jul 8, 2012
Up until recently one of my sites was able to get to a postilion subnet. Then we started receiving "host unreachable" e-mails. Posting told us SMTP traffic was not getting let in. I've compared the current config to a config that was saved before the issue popped up and found really no noticeable difference.
I tried a packet tracer trace with no luck: SiteB- Firewall# packet-tracer input outside tcp 11.2.2.36 12345 65.19.0.0 25.
Phase: 1
Type: FLOW-LOOKUP
Subtype:
Result: ALLOW
Config:
Additional Information:
Found no matching flow, creating a new flow
[code]...
Result:
input-interface: outside
input-status: up
input-line-status: up
output-interface: outside
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
Attached is a sanitized config. I'm not entirely convinced it's a firewall issue, but I need to some successful testing to prove otherwise.
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Jul 15, 2012
I've got an 1841 router acting as the firewall for a LAN. It also does NAT and acts as the dialer for a PPPoE DSL line to the internet.
All is working fine, except now I need to allow a Tivo device to connect to certain ports on the Tivo servers on the internet. I want only the Tivo to be able to do this. The problem is that NAT is happening before my outbound ACL is checked, so even though I've got rules to allow the Tivo's LAN address out on all ports, it never works. I've verified this using a syslog server, and can see my external DSL IP trying to connect to the Tivo servers and being denied.
I've done things like this at work by NATting the appropriate internal host to its own external static IP address, which allows me to write rules allowing only that external address to do stuff. But I don't have multiple external addresses to work with here.
I tried applying my outbound ACL to the LAN interface of the router in the "in" direction (and removing the same ACL from the Dialer interface in the "out" direction), but that broke other things like the router's own ability to ping out to the LAN or to see a TFTP server on the LAN. I could maybe fix all of that with rule changes and inspect statements on traffic going out toward the LAN (not sure of this, think so), but I'm wondering:
Is there a better way to let just the Tivo makes outgoing connections to certain ports?
Config pasted below:
!
! Last configuration change at 17:15:10 CDT Sun Jul 15 2012
! NVRAM config last updated at 16:27:14 CDT Sun Jul 15 2012 by someguy
!
[Code].....
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Mar 24, 2011
What are the most common cause for a "could not connect to host" problem?The firewall is not blocking anything, and even with the firewall disabled, the problem still occurs. With "Server" service turned on, the problem still happens.Windows xplso the server couldn't find any trace of a connection attempt, so my attempts to connect never actually made it to the server.
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Feb 10, 2011
I'm just wondering if its possible to ping an IPv4 host using the IPv6 host assuming that the NAT64 has already been implemented?
[code]...
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Jun 27, 2011
I have a host that can successfully connect to a PIX 515E (7.x OS) via VPN Client; however, I have no IP routing to the LAN from the remote host.The VPN IP pool works finem,The LAN default gateway is the inside interface on the PIX; the network is flat L2 behind it.The default route on the PIX points out; no other routes are defined,The VPN remote host can be pinged from LAN hosts, but the VPN remote host cannot ping any LAN host, not even the PIX inside interface.
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May 7, 2012
ASA 5510
Ver 8.2(5)
I have been looking all over the place for the answer of how to allow clients on an IPSEC VPN to ping from host to host.
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Apr 28, 2012
My host has an IP of 20.168.1.2 from a router DHCP. I have a virtual environment which has a DC and DNS and the IP is: 192.168.1.x how can I get access from my host to the virtual environment? What do I need to setup on the host OS? (Windows)
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Jul 28, 2012
How is it possible to connect a host to a switch when they're in different subnets? I'm new to Networking and was thinking it may be achievable through VLAN configuration?
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Apr 27, 2011
When I try to ping ipv6.xsnews.nl on either of my Windows 7 computers, it returns "Ping request could not find host". But when I do it on XP, it succeeds. I have tried putting the W7 PC in the DMZ, disabling the software firewall but it doesn't work.
What I think it involves is having ipv6 installed on each. I tried to duplicate the setup of both the XP and a W7 computer, installing the gogo6 tunnel. But apparently it's not setup on this computer because the ping result is the same as on the third computer which hasn't had ipv6 installed. s not setup on this computer because the ping result is the same as on the third computer which hasn
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May 2, 2011
Small office setup with a wireless modem/router. We have two computers that are identical HP Pavilion a6807c PCs running Vista Home Premium. Other computers in the office are a bit older and run either XP or Vista.Just purchased a new HP Officejet 7000 printer and connected it via a USB to one of the HP Pavilion Vista computers (which I will refer to as HP1). The printer works fine on HP1 using the direct USB connection.Set printer sharing, file sharing, and even public sharing on both HP computers (HP1 and the other one I will refer to as HP2). Workgroup name is the same. Can access HP1 and see the HP printer on HP1 from other computers in the office. However, when I try to connect to the printer from HP2 to HP1, it locks up HP1 and HP1 requires a hard reset. I tried installing the software/drivers on HP2, but HP2 still tries to install the drivers from HP1.I am not sure its a problem with HP1 as much as it is a Vista issue. The reason I say this is because I have been able to successfully use an XP computer (XP3) to connect and print to the Officejet on HP1.
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Sep 3, 2011
We have an ASA5510 with the IPS ASA-SSM-10 module installed. All is working well except event notification. When sending a test email from the SSM IPS, we get the error "could not connect to SMTP host". The Exchange SMTP host does allow traffic from the IPS and ASA. I can ping to the SMTP host by IP and name. What am I missing here?
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Feb 2, 2011
Running a Windows 7 laptop plugged into a LAN using ethernet cable with internet.The built-in wireless nic on the laptop connects to a totally different internet network. I set up an XP Mode Virtual PC on the laptop with the intention that it would use the wireless internet connection.I set this up by installing Microsoft Loopback Adapter, then sharing the wireless nic to it. The Virtual PC is set to use the Microsoft Loopback Adapter as its network connection.My problem is that only the hard wired internet connection works.The wireless is connected and has an ip address, however no traffic flows through it until i either disable the cabled network or physcially unplug the cable. Is it possible to have my host laptop use the cabled internet connection and my virtual pc use the 2nd wireless internet?
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Jun 12, 2011
I have created a RA VPN with a 5505 using Anyconnect client. My VPN functions perfectly, but now I am trying to limit access so that only one single host on my network can connect. To do this I tried creating an ACL permiting the host and denying all other traffic, but it does not work it seems every one can connect. how I can limit the outside access to a single host?
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May 22, 2011
At work my desktop pc is a Novell client with WinXP. I wanted to use it a an ics host so I'd be able to connect my laptop to it with a cross wire so both computers could surf simultaneously using one source connection.I should probably note that I only have user privileges on my desktop and no admin privileges on it. It is my workplace policy so people don't install software that might end up being malicious.We also have Wifi at work but my at my office I have a low signal (1-2 bars) so I can disconnect my desktop, copy it's MAC address to my laptop and surf with my laptop instead. However, I need both computers, the desktop for work and PC for personal use.
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Mar 13, 2011
I have an issue with NAT on a Cisco 1841. See following configuration,
interface FastEthernet0/0 description Connection to LAN bandwidth 100000 ip address 10.90.0.100 255.255.0.0 ip helper-address 10.100.2.2 ip helper-address 10.100.2.3 ip load-sharing per-packet ip nbar protocol-discovery ip nat inside ip virtual-reassembly duplex auto speed auto
interface Dialer1 description ADSL connection bandwidth 448 ip address X.X.X.X 255.255.255.248 ip access-group 150 in ip nat outside ip inspect firewall out ip virtual-reassembly encapsulation ppp dialer pool 1 dialer-group 1 no cdp enable ppp authentication chap pap callin ppp chap hostname hostname ppp chap password password ppp pap sent-username hostname password password crypto map vpn
ip nat inside source list 102 interface Dialer1 overload(code )
I've tried this with both a source list NAT statement, and a route-map. The router can contact hosts on the Internet:
Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 128.31.0.51, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 144/147/148 ms
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Mar 9, 2011
We are using an ASA with 8.4 in transparent mode. Connection fails when a host on inside tries to connect to a server on outside. This server uses mac-address 0100.5E00.0000 to load balance but replies with real mac-address.Firewall logs "Deny TCP".ARP inspection is disabled.
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May 15, 2013
I have a host machine (Laptop, Win 7 Home Premium x64) running Windows 7 Ultimate x64 on VMWare Workstation 9. I've got this system set up for UMDF driver development, because I need a target machine to debug drivers on. However, because I'm developing drivers for Win 7 (x86 and x64), I cannot connect to the virtual machine on via a simple network connection. Connection methods are outlined here.
I have tried a few different pieces of software (mostly Eltima software), and have Google'd every combination of phrases that I can think of. I can't find any information on this anywhere. I don't just need to share data between the machines, I need a more "physical" connection.
Does any know how to do this, or if there's another (preferably more simple) way of doing it?
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Mar 23, 2011
I am trying to open up certain ports to host multiplayer games on the internet on my computer and on Xbox 360.The only internet service provider is primecast. I am able to open the ports on my router but the ports still show closed using portforward.com portchecker. I disabled all firewalls and Anti-Virus, no luck. I even connected my computer directly to the modem, the ports are still closed. The Router is a Linksys WRT400N set to single band. The modem is an Alcatel although there is no model number (it has a fiber optic connection, coax connection and 2 ethernet port connections). The condo is cat 5 ready so the router has multiple ethernet cables which go to the ethernet wall plugs throughout the apartment which is how I connect to my desktop.
FYI:One of the games I am trying to play online IL2 1946, people simply cannot connect.In another game Company of Heroes, people cannot connect and I cannot connect to most games it says there is a NAT issue when connecting.
PS When I go into ipconfig I now see IPv4 and IPv6, I don't know if that has something to do with it but to my knowledge these sections were not here previously (before I moved).
Win 7 x64
Intel I5 750 1186
12 GB Ram
1.5 Tb HDD in Raid Striping
ATI Radeon HD 5770
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Mar 5, 2012
I have a VMware workstation on my host computer (windows 7) and the VMware workstation has a virtual machine (windows 7) on the host. We were trying to allow internet access only to the Virtual machine, i.e. to minimize exposure of the host to the internet. I tried to use Vlan Access Control list with MAC ACL to deny the host virtual machine from accessing the internet and allow all other traffic including the virtual machine. The configuration works for some time and after some time when the virtual machine continously pings the c3750 switch (wher the VACL is implemented), the host also pings the c3750 switch and re-establishes connection with the internet. But when we configured the c3750 switch to deny the VM and allow all other traffic, it works fine. It seems like the host automatically finds a way to get arround the VACL.
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Apr 24, 2011
I'm working on setting up a new ASA 5550, and have run into a question that I hope is easily answered.I currently have 4 interfaces, SL100 Inside, SL80 DMZ1, SL50 DMZ2, and SL0 Outside. I was under the impression that each interface, depending on security level would pass traffic from higher levels to lower, but not allow traffic being generated from SL80 to SL100.
What I would like to accomplish is that any hosts on my SL100 Inside interface can access the "internet" which is connected to my outside interface of the ASA, which was very simple, just a permit internal subnets eq www / https / etc...
My DMZ subnets need to access a few servers on my internal interface, and need outbound access to the world as well. Thinking that all traffic from my lower SL interfaces on the ASA would be denied, I entered a permit IP / DMZ subnet ------> any. This worked great for giving my DMZ hosts access to the internet, but it also permit traffic from the DMZ to hosts on my Inside interface as well.
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Jan 5, 2012
On a 2821 Router with 15.1(3)T1
I have an IPSec VPN and NAT configured. Return traffic from an internal NAT host seems to be blocked by the WAN inbound ACL. What is the proper way to allow return traffic from the Internet for this internat NAT host? Note: As a test, removing the deny entry on the WAN ACL allows return traffic.
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