127.0.0.1

[peegee]

I know what it is. What I want to know is WHY? Why is this loopbackadapter on my computer? :?

[Will.Spencer]

It's a required part of the TCP/IP specification.

Its just the way that TCP/IP works. It enables your machine to talk to itself.

I'm sorry, I don't have a better answer for you. :?

[peegee]

TKU Will
peegee

[RICHINMALABO]

I thought it was 127.1.1.1. Doesn't that check your Nic card or interface?

[Will.Spencer]

Originally Posted by RICHINMALABO

I thought it was 127.1.1.1

The whole 127.x.x.x network works. Most people call it 127.0.0.1, but that's just a convention.

Look what happens if you `ping` 127.1.1.1:

C:\>ping 127.1.1.1

Pinging 127.1.1.1 with 32 bytes of data:

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Ping statistics for 127.1.1.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms