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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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Difference between link-local and global link addresses in ISATAP

What is the difference between link-local address and global link address in ISATAP? For example: link-local address: fe80::5efe:c000:0201 global address: 3ffe:b00:1:2::5efe:c000:0201 Why don't we use just one address? Why it is helpful to use…
JoesyXHN
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What is a link-local address?

I could find some information on the Internet but it is hard for me to understand this information because of the use of technical words. Could somebody please help me with that. Did I correctly understand what I read? Firstly, is a link-local…
Roman
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Apache (Linux) httpd listen on link-local IPv6 address

I would like Apache to listen on the link-local ipv6 address on a particular interface. I have the following line in my httpd.conf: Listen [fe80::a00:16ff:fe89:420f]:80 Which is based on the Apache documentation here:…
bao7uo
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Is this IPv6-link-local address (as reported by Windows) correct? If so, why?

From what I read online, an IPv6 link-local address is generated by taking the network interface's MAC address, inserting an FF:FE word into the middle of it, OR'ing in some additional bits, et voila: e.g. MAC address 00:3E:E1:c6:20:c2 corresponds…
Jeremy Friesner
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Is MS Windows known to be non-compliant to RFC3927 or did we hit a bug?

We have recently encountered a situation where a Windows 10 machine assigned itself a Local-Link address of 169.254.0.33. According to our reading of RFC 3927, section 2.1, this is not allowed. Ranges 169.254.0.xx, and 169.254.255.xx are reserved…
Raul Benet
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IPv6 link-local routing

Link-local address: Routers do not forward packets with link-local addresses. What I want to know is: that makes sense if the destination is a link-local address, but what if I have a box that only has a link-local address trying to reach a…
singpolyma
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IPv6 can I use a link local address as my default Gateway?

can I set the default GW to be the Link Local address of the next hop router. I understand this is a strange thing to do, I'm mostly wondering it is possible?
Arthur Ulfeldt
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How to disable temporary IPv6 address in win7?

I found that the IPv6 link local address was generated randomly in Windows 7, not following the EUI-64 standard. Then I found this link and followed its guide: netsh interface ipv6 set global randomizeidentifiers=disabled netsh interface ipv6 set…
Frank
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Can't ping using IPv6 address

My network setup is very simple: two win7-64 machines connected to a switch. IPv6 enabled for their network interface. No router no outside network no DHCP. ipconfig report for the computer shows that they obtain a link local ipv6 address: machineA:…
galbarm
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Can i disable link local IPv4 address assignment in route table Ubuntu 16.04 permanently

I am having trouble with disabling link local IPv4 address getting added in my routing table. So far i have uninstalled, avahi-daemon, commented out link-local 169.254.0.0 line in /etc/networks file , but still when DHCP client fails, i see that in…
Indra Chatterjee
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How to manually set link-local address in Debian?

I'm trying to use manually assigned link-local addresses to have more meaningful routing tables. I disabled auto configuration for all interfaces in /etc/sysctl.conf net.ipv6.conf.all.autoconf=0 and configured all addresses in…
Karol Jędrzejczyk
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is the use of link-local address mandatory for IPv6 static routing next hop?

The RFC for Neighbor Discovery (RFC4861), in section 8 states: "A router MUST be able to determine the link-local address for each of its neighboring routers in order to ensure that the target address in a Redirect message identifies the…
networkIT
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Windows uses the wrong scope for link-local IPv6 addresses obtained from DNS

On Windows, I have two network interfaces with indexes 1 and 2 (according to route print). I want to ping a host reachable from interface 2 using an IPv6 link-local address, say, fe80::42. This works: > ping fe80::42 Pinging fe80::42 with 32 bytes…
Etienne Dechamps
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Why "scope link" ipv6 address can be pinged via interfaces which they are not active on

[root@2_01 ~]# /sbin/ip -6 addr show pubeth0 inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root@v2_01 ~]# /sbin/ip -6 addr show pubeth1 inet6 fe80::20c:29ff:fe69:f906/64 scope…
olagu
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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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