A link-local address is a IPv6 network address that is valid only for communications within the network segment (link) or the broadcast domain that the host is connected to.
Questions tagged [link-local]
28 questions
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Can the Micrel KSZ8995 be coaxed into abiding by RFC 3927, so as not to leak link-local addresses?
My embedded system uses a Micrel KSZ8995M switch, connected to two "internal" devices (and by internal I mean sitting physically on the same board) and a LAN.
Device 1 is a ARMv5 processor running Busybox Linux, with a LAN IP configured either by…

Lightness Races in Orbit
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IOS - NativeScript - CoAp - Cannot connect to Link-local ipV6 address - even i have permission
I have a NativeScrpt app, and I try to comionicate on CoAP (Constrained Application Protocol) via local wifi network.
ipV4 works well, and in Android, all work well too (so, the address itself is right).
But, on the IOS side, I cannot connect to…
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Use constant IPv4LL (link-local) address in "dhcp" mode
Situation:
I'm using ConnMan 1.41 on an embedded device. The interface configuration looks as follows:
[ethernet_deadbeefcafe_cable]
Name=Wired
AutoConnect=true
IPv4.method=auto
IPv6.method=auto
IPv6.privacy=disabled
DHCP works. When there is no…

Mo_
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Convert MacAddress to IPv6 Link Local in Java
I need to convert a Mac Address into an IPv6 Link Local address.
This link-local IPv6 is infered from the NIC’s mac address.
The conversion procedure is as given below.
take the mac address: for example 52:74:f2:b1:a8:7f
throw ff:fe in the middle:…

K-ous
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How to visit a link-local website on CentOS7? while in windows it just works with [fe80::x:x:x] in the browser
I run apache on CentOS and Listen 80. And I can visit the website using 127.0.0.1.
I tried several ways to visit the website using ipv6 link-local address:
[fe80::x:x:x] not work
[fe80::x:x:x%eth0] not work
[fe80::x:x:x%eth0]:80 not…

Steven
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How to transform a link-local IPv6 address into the corresponding global unicast address?
As far as I understand, the replacement for IPv4 broadcastas are IPv6 multicasts to ff02::1 . On my linux box, sending an UDP multicast to this group results in other, connected hosts receiving a packet with link-local sender address like…

JaM
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Is IPv6 Link Local address always available on android
I am developing an app which will be installed on multiple devices, which will need to communicate with each other.
As the connected devices will be on the same network, I intend to use IPv6 link local addressing on the assumption that
All Android…

Rodney
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AWS EC2 userdata WGET via link-local address times out
AWS EC2 instance uses the link-local address (169.254.169.254) in order to distribute user-data. So, I booted a Linux instance to experiment the same with some initial network setup scripts to get the data. Following is the setup before I requested…

Gaurav Minocha
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macOS link-local IPv6 multicast - boost : set_option : Can't assign requested address
I am trying to implement IPv6 multicast using boost library (1.61.0). However, I am getting the following error in macOS (OSX 10.10, 10.11, 10.12) and only for link-local (Global IPv6 works). I do not get this error on Ubuntu (14.04, 16.04, 17.10).…

Ashiq
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sending a ihex (intel Hex) file over UDP using python Sockets
I am working with IPv6 and UDP sockets using python-2.7. I am particularly focusing on IPv6 Multicasting ff02::1 where every Link-Local address device (with fe80::) responds to queries from a central server entity.
I have Microcontrollers attached…

Shan-Desai
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APIPA (link-local) IP address in Windows Registry
I'm wondering if there is a location in the Windows Registry that will contain the APIPA (link-local) IP address once provided to the interface. I've even searched for 169.254.x.x in the Registry but to no avail.
I know that you can add the DWORD…

wazilian
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Finding Link-Local IP in ifconfig (Linux - Redhat 9)
I set IPv6 in MIPS Embedded device. I use 2.6.23 kernel and I set IPv6 items in menuconfig. I updated kernel in the device but, link-local IP doesn't show in ipconfig as below:
-> inet6 addr: /64 Scope:Link
How can I set link-local IP?
I can…

afew9man
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AUTO IP address range
I was going thru RFC3927 which stated below statement -
"The first 256 and last 256 addresses in the 169.254/16 prefix are reserved for future use and MUST NOT be selected by a host using this dynamic configuration mechanism".
Further:
"When a host…

Programmer
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