Stack Overflow
Stack Overflow

Questions tagged [link-local]

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.

28 questions
16
votes
1 answer

Adding link local address

If the IPv6 link-local address is manually deleted on an interface, is there a way to obtain the link-local address back without bringing the interface down? The requirement stems from the need to hold onto (IPv4) existing connections on the…
Maddy
  • 1,319
  • 3
  • 22
  • 37
14
votes
3 answers

How to access devices with IPV6 link local address from browser(like IE,firefox etc)?

Both my device and the host through which i'm trying to access are in the same subnet. Scenario: I have a switch and a server in same subnet. I have to access switch using ipv6 link local address from the browser in my server. Can anyone pls tell me…
sanky
  • 131
  • 1
  • 1
  • 8
9
votes
2 answers

IPV6 link local multicasting

I'm trying to figure out how to do the equivalent of an IPV4 broadcast using IPV6. I'm creating a non-blocking IPV6 UDP socket. From the side broadcasting i'm literally just doing a sendto "FF02::1" on port 12346. On the listen side I discovered I…
Goz
  • 61,365
  • 24
  • 124
  • 204
8
votes
1 answer

Why doesn't a %en0 suffix work to connect a link-local IPv6 TCP socket in Python?

A week or so ago someone on StackOverflow asked why their Python code for connecting to an IPv6 link-local address wasn't working, and I replied that since it was a link-local address they needed to add a %en0 (or whatever the desired…
Jeremy Friesner
  • 70,199
  • 15
  • 131
  • 234
7
votes
3 answers

How do I access the web server or website using link local IPv6 address?

Below is the output of the ipconfig of the machine where web server is hosted: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Link-local IPv6 Address . . . . . : fe80::f85b:4256:ee76:24a4%11 IPv4 Address. . . .…
Ritesh Agarwal
  • 79
  • 1
  • 1
  • 2
3
votes
1 answer

IPv6: connect() always fail with errno 22

The OS is Ubuntu. I'm doing a simple test for basic IPv6 operations. The PC is connected with an IP Camera (support IPv6） via a hub. ping6 testing is successful. $ ping6 -I eth1 fe80::240:8cff:fe94:451e PING…
ciphor
  • 8,018
  • 11
  • 53
  • 70
3
votes
2 answers

Scope ID in python ipaddress.IPv6Address instances

I'm currently writing a python wrapper for a C++-Library that does network communication via IPv6 link-local addresses. To initialize the library the network interface has to be selected. This is done via the link-local address of the desired…
wetzeld
  • 33
  • 5
2
votes
1 answer

Is it possible in boost.asio to bind to a specific NIC with link local address?

as the asio documentation does not really live up to its name I have to ask this question. Help me Stackoverflow, you are my only hope ;) We are talking in IPv6 here. I would like to tell asio to use a specific interface, like eth0, but without a…
scriptkitty
  • 21
  • 1
2
votes
0 answers

java.net.BindException: Cannot assign requested address (Bind failed) on LinkLocal rebind

I'm writing a Network Framework prototype in Java using UDP to deal with moments where a device using it might not have a permanent and/or reliable connection and how it should deal with it. It is required that I have to be able to use it with…
Joao
  • 21
  • 2
2
votes
1 answer

Does openssl understand link-local IPv6 address?

I cannot wrap my head around why this command does not work: openssl s_client -connect [fe80::xxxx:xxxx:xxxx:xxxx]:yyyy Note: I have garbled the link local address above with x's, but I have some valid link local ipv6 address. yyyy is the port…
leopoodle
  • 2,110
  • 7
  • 24
  • 36
2
votes
1 answer

Ruby URI cannot handle link-local IPv6 addresses with explicitly specified outgoing interface?

I'm trying to get done some RESTful stuff with Ruby std. libraries, 'uri' and 'net/https.' I'd like to reach link-local IPv6 address with explicitly specified outgoing interface, for example fe80::cba7:32b1:741d:5c41%ens192. Whent I'm trying to…
Stepan Vrany
  • 1,026
  • 9
  • 14
1
vote
2 answers

Get and assign link-local IP addresses in .NET C#, implementation of APIPA

I need to make in .NET c# a functionality which is an implementation of IPv4LL as defined in RFC3927, a technology for assigning link-local IP addresses without DHCP server. The same functionality has been available on Windows under the name APIPA.…
vlad
  • 11
  • 2
1
vote
0 answers

Python UDP communication with link-local addresses (Ethernet port to Ethernet port)

I need help with sockets in python. A device (D) is directly connected via an Ethernet cable to an USB-to-Ehternet adpater (eth1) plugged into a Raspberry Pi. ifconfig and running sudo tcpdump -i eth1 show that D is communicating under IP address…
PhyAJ
  • 11
  • 2
1
vote
1 answer

IPv6 link-local address for multiple VLAN networks over the same physical interface

So I have a situation in which one physical interface (as a result, one MAC) hosts several VLANs in a bond. Seeing as the link-local address in IPv6 is generated from the MAC address all my VLANs end up with the same link-local address. This causes…
TheFooBarWay
  • 594
  • 1
  • 7
  • 17
1
vote
0 answers

IPv6 Link-local address as UDP6TransportTarget in PySNMP?

I am trying to make SNMP query to agent on link-local address FE80::1:1%enp0s8. Here is the code: #!/usr/bin/python3 from pysnmp.hlapi import * USER_KEY='manager1' AUTH_PROT=usmHMACMD5AuthProtocol PRIV_PROT=usmAesCfb256Protocol userData =…
phandox
  • 143
  • 1
  • 8
1
2