Questions tagged [link-local]

A link-local address is a network address that is valid only for communications within the network segment (link) or the broadcast domain that the host is connected to.

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How is the route scope parameter used?

I am confused about the route scope parameter in the output if /sbin/ip route. default via 10.32.10.1 dev wlan0 proto static 10.32.10.0/24 dev wlan0 proto kernel scope link src 10.32.10.154 metric 9 169.254.0.0/16 dev wlan0 scope link …
Fred Thomsen
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How can I avoid Mac OS X temporarily setting its IP in the "link-local" range (169.254.x.x) at boot time?

I have a DNS and DHCP server (Linux machine) managing my LAN addresses and names. Everything is configured and fully working once the clients are up and running, having every Mac OS X client a DHCP given IP in the private class 192.168.1.x as given…
drAlberT
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IPv6 hosts configure default route with router's link-local address

I have recently added IPv6 to our network as per the instructions at http://www.chronos-tachyon.net/reference/debian-ipv6-and-hurricane-electric. However, the hosts on the network automatically configure the default route to the link-local address…
DanielGibbs
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Disable inet6 link-local address from one interface

Anyone know how I can disable the link-local address from just one interface on CentOS 5.6? This is what I tried: root-> egrep -i ipv6 /etc/sysconfig/network-scripts/ifcfg-eth0 IPV6INIT=no IPV6_AUTOCONF=no IPV6_ROUTER=no root-> egrep -i ipv6…
salparadise
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Unable to receive UDP packets from a link-local address

I have a program which attempts to contact to an embedded device over UDP. The embedded device has a link-local address only (169.254..); the Linux host has a normal (DHCP, RFC1918) address, managed by NetworkManager on ubuntu natty. This local…
bdonlan
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How to find a rogue machine on your network with the wrong ip address

I'm continuing to lock down my network gear using the DISA standards. After implementing an ACL on a multi-layer switch that denies access to unknown subnets, the syslog server started recording two IP addresses about every 7 minutes that are being…
murisonc
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Link Local Addressing - Communication with Routable Addresses

As per RFC 3927 it states that There will be cases when devices with a configured Link-Local address will need to communicate with a device with a routable address configured on the same physical link, and vice versa. This allows, for example, a…
Programmer
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Link Local Addressing

The RFC 3927 states that - "IPv4 Link-Local addresses are not suitable for communication with devices not directly connected to the same physical (or logical) link, and are only used where stable, routable addresses are not available." What is…
Programmer
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How to configure ntp server and chrony client for time sync over link-local IPv6

I have two computers connected with an Ethernet cable. The first computer, let's call it the "master" is also connected to the Internet via a wireless network. It's running ntp and getting its time from 0.ubuntu.pool.ntp.org, etc. The second…
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How to enable SSH to link-local address on ASA 9.1?

I have a Cisco ASA 5510, running ASA software version 9.1(7)16 on an IPv6 LAN. I want to enable SSH access, but I'm running up against the following warning: ciscoasa(config)# show ipv6 interface management IPv6 is enabled, link-local address is…
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ipv6: low level technical explanation of Stateless address autoconfiguration

I have a clear understanding of broadcast, DHCP and general network configuration for ipv4. I'm looking for a low level technical explanation of network configuration for ipv6. Some of the terms that confuses me: Link-local address Stateless…
Nicolas C
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Delayed Ping of a link-local address with Windows 7/Server 2008 R2/Server 2012 R2

I have a strange effect here, which I do not understand. PS C:\Users\user1> ping fe80::219:bbff:fe0e:c600%16 -t Ping wird ausgeführt für fe80::219:bbff:fe0e:c600%16 mit 32 Bytes Daten: Zielhost nicht erreichbar. Zielhost nicht erreichbar. Zielhost…
bjuergen
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Can't discover a IPv4 link-local address when having an static IP configured

I have link-local addresses working out-of-the-box when coupled with DHCP, since when there's no DHCP, the device doesn't get an IP, only a link-local one. Still, I need to have link-local addresses working even if I'm setting up interfaces…
oblitum
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Permanently assigning IP address for an embedded device

This is a follow-up to Embedded device configured with bad IP address, can I still connect? We make embedded devices that run Linux. Users can change the networking configuration of the device (static IP, DHCP client and server). Zeroconf was…
Cat
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Can fe80:: (IPv6 link-local) addresses communicate each other in the same host?

Let's suppose I have two network interfaces with one fe80:: address each one. 1: eth0: mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 9e:b5:a0:04:24:d6 brd ff:ff:ff:ff:ff:ff inet6…
phantomcraft
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