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IPv6 link-local address

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freke
l33t
l33t

l33t

Joined: 23 Jan 2003
Posts: 977
Location: Somewhere in Denmark

Posted: Thu Aug 20, 2015 6:56 pm Post subject: IPv6 link-local address

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Polishing my server I'm trying to get rid of the IPv6 link-local address (or do I need it for some reason?)

Code:

Eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.0.1 netmask 255.255.254.0 broadcast 10.0.1.255
inet6 fe80::20d:b9ff:fe35:b37e prefixlen 64 scopeid 0x20<link>
inet6 2001:470:28:4a6::4 prefixlen 64 scopeid 0x0<global>
ether 00:0d:b9:35:b3:7e txqueuelen 1000 (Ethernet)

I've tried googling a bit - but not gotten much wiser tbh....

Anybody know how I can disable it?

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py-ro
Veteran
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Joined: 24 Sep 2002
Posts: 1734
Location: Velbert

Posted: Thu Aug 20, 2015 7:19 pm Post subject:

You can't, you need it for some thing. One thing is it used in the Neighbour Discovery, which is the successor of ARP from IPv4. Bye Py

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freke
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l33t

Joined: 23 Jan 2003
Posts: 977
Location: Somewhere in Denmark

Posted: Thu Aug 20, 2015 7:37 pm Post subject:

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py-ro wrote:

You can't, you need it for some thing. One thing is it used in the Neighbour Discovery, which is the successor of ARP from IPv4.

Bye
Py

I'll leave it be then - thanks

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UberLord
Retired Dev

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Joined: 18 Sep 2003
Posts: 6835
Location: Blighty

Posted: Sat Aug 22, 2015 1:13 pm Post subject:

You also need the link-local address to request a Router Advertisement or negotiate a DHCPv6 lease. So yeah, kind of essential _________________ Use dhcpcd for all your automated network configuration needs Use dhcpcd-ui (GTK+/Qt) as your System Tray Network tool

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