Apa maksud destination host unreachable

PENYEBAB-PENYEBAB DESTINATION HOST UNREACHABLE

Pengertian

Destination Unreachable Terjadi jika host, jaringan, port atau protokol tertentu tidak dapat dijangkau atau masih mencari.

Penyebab dan Solusi

1. Kabel jaringan,LAN Card atau Wireless USB kemungkinan tidak terhubung ke PC atau perangkatnya rusak

Hubungkan perangkat jaringan tersebut dengan baik pada posisinya, jika perangkat rusak maka perlu di ganti posisi PCI untuk LAN Card ke slot yang baru(jika tidak berdampak sama sekali maka gantilah dengan baru), Jika perangkat adalah Wireless USB,maka pastikan lampu indicator menyala dan coba di pindahkan ke port USB yang lain jika tidak berdampak sama sekali maka gantilah perangkat dengan yang baru.

2. HUB/SWITCH tidak di nyalakan atau rusak

Nyalakan HUB/SWITCH dan coba pindahkan kabel jaringan komputer target ke slot yang lain ,lalu coba tes koneksi lagi. Jika tidak ada perubahan setelah di cek dengan penyelesaian masalah 1 maka dapat di pastikan HUB/SWITCH anda rusak,sehingga harus di perbaiki atau di ganti dengan yang baru.

3. Status “Local Area Connection” masih “Disable” pada Network Connection di Control Panel

Klik kanan pada Local Area Connection yang disable dengan warna abu abu lalu klik enable dan coba lakukan tes koneksi lagi.

4. Kesalahan pada jenis kabel (Straight/Cross)

Periksa kembali kabel yang digunakan pada device tersebut apakah sudah benar menggunakan kabel staright/cross. Jika dirasa sudah benar tetapi masih terjadi Destination Host Unreachable ganti kabel dengan yang baru .

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Test the IPv6 connection to determine the default gateway IP, then compare it to the device's configured gateway via netshell IP settings.
Add a gateway: LAN settings > Internet Protocol Version 6 (TCP/IPv6) > Properties. Change Default Gateway to the correct address.
To check if the error is resolved, enter a ping test in Command Prompt: C:\Users\Me>ping -6 151.101.194.114.

Receiving a destination host unreachable error in a Command Prompt network ping test can be frustrating. In this guide, we show you how to fix a destination host unreachable error on Windows devices, as well as how to add the correct gateway address for a destination host, and how to check if the error is resolved.

In diagnosing the error, it's useful to follow the steps to fix an IPv6 error first to see if they resolve your networking issues. If the problem persists, you need to look at your network infrastructure to establish where the issue is.

For this example, we’re going to check our Default Gateway settings, then follow the steps to fix them.

To start, we need to check our internet connection via a browser. For this example, we'll check google.com to see if it loads on our device. If it does, we know there's a problem on our local network, rather than a broader connection issue.
Next, we're going to test our IPv6 connection to see if that's where the issue lies. To do this, open the Command Prompt and use the following command to ping your original IP address, but type "ping -6" to isolate the IPv6 line.
C:\Users\Me>ping -6 151.101.194.114
You should get a reply in the Command Prompt, which looks like this:
Pinging 151.101.194.114 with 64 bytes of data:Reply from 151.101.194.1.241: Destination host unreachable.Reply from 151.101.194.1.241: Destination host unreachable.Reply from 151.101.194.1.241: Destination host unreachable.Reply from 151.101.194.1.241: Destination host unreachable.
The above reply comes from IP address 151.101.194.1.241, which seems to relate to the remote gateway handling our request. To check this, run a traceroute using the following command:
C:\Users\Me>tracert -6 -d 151.101.194.114
You should get a response, and it should resemble the following:
Tracing route 151.101.194.114 over a maximum of 30 hops:1 1 ms 1 ms 1 ms 151.101.194.1.2412 151.101.194.1.241 reports: Destination host unreachable.Trace complete.
From this, we can make a judgment that 151.101.194.1.241 is configured as the default gateway. To check if this is as it should be, we can look at our IP settings via the netshell. To launch netshell, enter the following command:

C:\Users\Me>netsh
With netshell open, enter this command:
netshell>interface ipv6netshell interface ipv6>showconfig
The response will show our Local Area Connection details, with a reference line for the Default Gateway. In our example we see the following:
Default Gateway 151.101.194.1.241

This confirms that 151.101.194.1.241 is currently configured as the default gateway, but when we look at our actual device's IP address, we see it's slightly different: 151.101.194.1.244.

There are many possible reasons for getting a “destination host unreachable” error, including things as simple as erroneously connected cables or an overly aggressive firewall. As you can see from the details below, we're trying to ping a specific network device IP address, but the response we're getting doesn't provide much detail beyond the error itself:

C:\Users\Me>ping 151.101.194.114Pinging 151.101.194.114 with 64 bytes of data:Reply from 151.101.194.114: Destination host unreachable.Reply from 151.101.194.114: Destination host unreachable.Reply from 151.101.194.114: Destination host unreachable.
Reply from 151.101.194.114: Destination host unreachable.

So, what's going on here? In simple terms, we're trying to communicate with a device at the specified IP address, but the remote gateway is unable to direct our ping request to the host itself, and so it sends an echo message back to say that it can't be found.

From the information gained above, we can see we need to add the correct gateway address via our Local Area Network (LAN) settings. To do this, follow these steps.

Select Settings > Network and Internet > Network Connections.
Right-click the relevant Local Area Network. Then, select Properties.
From the list, select Internet Protocol Version 6 (TCP/IPv6). Next, select Properties.
In the Properties tab, change the Default Gateway to the correct address. So, in this example, we change "151.101.194.1.241" to "151.101.194.1.244."
Press OK to save the changes.

To check if the issue is resolved, go back to the Command Prompt and exit the netshell using the following command:
netsh interface ipv6>exit
Now, we're ready to try our ping test once more, using this command:
C:\Users\Me>ping -6 151.101.194.114
Just as before, the ping should come back with a reply showing the new Default Gateway.
Pinging 151.101.194.114 with 64 bytes of data:64 bytes from 151.101.194.114: icmp_seq=0 ttl=57 time=27.205 ms64 bytes from 151.101.194.114: icmp_seq=1 ttl=57 time=14.109 ms64 bytes from 151.101.194.114: icmp_seq=2 ttl=57 time=13.887 ms64 bytes from 151.101.194.114: icmp_seq=3 ttl=57 time=13.954 ms64 bytes from 151.101.194.114: icmp_seq=4 ttl=57 time=18.269 ms
As we can see, our ping test is now working and our connection is running as expected.

FAQ

What is the difference between “request time out” and “destination host unreachable?”

A request timeout error means that your request was received, but the host took too long to respond. A destination host unreachable error, on the other hand, means that your request couldn't reach the host.
How does the ping command work?

The ping command is used to test the ability of the source computer to reach a specified destination computer. It sends Internet Control Message Protocol (ICMP) Echo Request messages to the destination computer and waits for a response.
How do I ping a website?

To ping a website, open the command prompt and enter ping followed by the URL (i.e. ping lifewire.com). Alternatively, use a computer name or an IP address with the ping command.