0
votes
0answers
41 views

Why isn't the loop back interface replying to injected ICMP echo request?

I want to be able to send IP packets from a userspace program and receive responses on a TUN interface. To test, I'm injecting ICMP icho requests to the loopback interface from a user space ...
0
votes
1answer
126 views

How to make two loopback adapters talk each other?

I have to test some java network application. Each client-app is identified by his IP. So the simpliest way to test it is to run some machines or VMs... But each instance of this application can be ...
0
votes
2answers
267 views

Create Loopback and assign local addresses on Windows 8

I'm usually on OSX where I often add additional IP addresses to lo0 interface to simplify ssh tunnelling to various services on different machines to different local addresses: # Tunnel mysql ...
0
votes
0answers
173 views

Use devcon to create multiple loopback adapters

I need to create multiple loopback adapters on a single box. I can do this manually using Device Manager, but would like to automate this using the devcon.exe utility. When I call devcon install it ...
1
vote
0answers
65 views

Loopback Address on OS-X

Wikipedia has this to say about the loopback address Various IETF standards reserve the IPv4 address block 127/8 (from which 127.0.0.1 is most commonly used), the IPv6 address ::1, and the name ...
2
votes
1answer
296 views

Why TCPReplay show warning when packets replayed on loopback interface?

When I use following command to replay 1.pcap over lo: tcpreplay --mbps=10 --intf1=lo 1.pcap Then I see these warning: .Warning: Unsupported physical layer type 0x0304 on lo. Maybe it works, ...
0
votes
0answers
107 views

How do I send data to the Microsoft Loopback Adapter?

I have a Microsoft Loopback Adapter installed and I have a program that listens to data on this adapter. But how exactly do I send data to this loopback adapter in Windows? There must be some tool ...
0
votes
0answers
331 views

loopback adapter lost ip address 127.0.0.1?

I noticed networking issues and discovered lo was not behaving properly: it did not have any ip address! lo Link encap:Local Loopback LOOPBACK MTU:16436 Metric:1 RX ...
0
votes
1answer
251 views

Magento Localhost Installation - LAN Works - WAN Issues?

I’m new to home servers and Magento. Running Ubuntu Server 13.04 with LAMP and Magento Commerce 1.7.0.2 on a dedicated home server. I've already configured my server's static IP, router's firewall and ...
0
votes
0answers
33 views

Can anyone explain how the loopback interface works? [duplicate]

I got to understand how TUN/TAP works from the following illustration: TUN/TAP illustration I'm at a loss how the loopback interface works. Can anyone explain a bit about how the loopback interface ...
7
votes
3answers
5k views

What's the difference between 127.0.0.1 and 127.0.0.0

I know that both are loopback IPs, but they have another ip mask. What's the difference between them? Can they be used interchangeably? ...
0
votes
1answer
206 views

Why do DNS queries use loopback interface?

Sniffing (using Wireshark), for didactical purpose, my loopback interface on Ubuntu 12.04, I noticed that a lot of DNS queries (maybe ALL of them) have 127.0.0.1 as source and destination address. ...
1
vote
2answers
654 views

TCP/UDP hole punching from and to the same NAT network

I was wondering if tcp/udp hole punching would still work when you are in the same network (behind a NAT), and what the packet's path would be. What happens when using hole punching on the same ...
13
votes
2answers
4k views

How do you get loopback addresses other than 127.0.0.1 to work on OS X

According to everything I read, the entire 127.x.x.x subnet should loopback. However, on my Mac, I can only ping 127.0.0.1 I know I've done this before (though possibly on another OS) and has come ...
1
vote
1answer
5k views

Windows 7 - Why is the Network on my Loopback Adapter Showing as Unidentified and thus Public?

I'm running a virtual machine (Win XP, but OS doesn't really matter) on my Windows 7 PC using the loopback adapter to create a private network between my host computer and the virtual machine. ...
0
votes
1answer
746 views

Automation of Loopback Adapter install on Windows

I have a piece of Software that requires a Loopback Adapter on Windows. Is there some sort of scripting or a batch file that could automate installing and setting up a Loopback Adapter with a certain ...
3
votes
4answers
5k views

How to fake ip at localhost without LoopBack

How can i fake an ip on my own PC? for example if there were an ip address lets say 201.91.81.71, that Host is somewhere outside of my red and is hosting a webserver. How can set a website on my own ...
1
vote
2answers
964 views

What does it mean whether network device is Loopback?

Does it mean that the Loopback device handles the request like ping localhost ? If so, there should be at least one device that's loopback,but seems none of my two network device is Loopback: ...
8
votes
3answers
44k views

How can I change the binding order of network adapters in Windows 7?

The end goal here is that I am trying to install an Oracle 10g server on my Windows 7 x64 dev box. I use DHCP, and the Oracle installer is throwing up this warning: Checking Network Configuration ...
59
votes
6answers
24k views

Why is localhost IP 127.0.0.1?

I wondered what is the origin of the decision to make localhost's IP address 127.0.0.1. What is the "meaning" of 127? what is the "meaning" of 0.0.1?