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Questions tagged [ipv6]

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Internet Protocol version 6 (IPv6) is the latest version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.

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The ISP I work at is setting up an internal IPv6 network in preparation for eventually connecting to the IPv6 internet. As a result, several of the servers in this network now try to connect to ...
Shadur-don't-feed-the-AI's user avatar
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In sysctl, the /proc/sys/net/ipv[46]/conf/ keys have the following subkeys: all, default, and a key for each network interface. For example, on a machine with a single network interface eth0, it will ...
Martin von Wittich's user avatar
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I have a computer with: Linux superhost 3.2.0-4-amd64 #1 SMP Debian 3.2.60-1+deb7u3 x86_64 GNU/Linux It runs Apache on port 80 on all interfaces, and it does not show up in netstat -planA inet, ...
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I have the following setup Linux 1 Linux 0 eth1 eth0-------------------eth0 14.14.14.80 19.19.19.20 19.19.19.10 2005::5/64 ...
kishore .'s user avatar
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23 votes
2 answers
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when I try: $ ip -6 addr I get something like: inet6 fe80::d773:9cf0:b0fd:572d/64 scope link if I try to ping that from the machine itself: $ ping6 fe80::d773:9cf0:b0fd:572d/64 unknown host $ ...
Paul C's user avatar
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23 votes
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Running a server machine with CentOS 7, I've noticed that the avahi service is running by default. I am kind of wondering what the purpose of it is. One thing it seems to do (in my environment) is ...
maxschlepzig's user avatar
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I get the error while running a script which tries to send emails. send-mail: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol send-mail: warning: ...
Swagatika's user avatar
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At home I have installed Pi-Hole on a Fedora 28 machine, and it is now working properly serving IPv4 addresses via DHCP, acting as the DNS server, and blocking IPv4 addresses as appropriate. However, ...
Mike S's user avatar
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19 votes
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The router on my network hands out an IPv6 prefix assigned by my ISP. This prefix is dynamic but "fairly sticky". I would like my machines to automatically pick up the prefix advertised in the RAs, ...
plugwash's user avatar
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17 votes
3 answers
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How can I view IPv6 router advertisements that are being received by my computer for diagnostic purposes? Are there any tools "built-in" to the majority of distros?
Corey's user avatar
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5 answers
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I've a master bind9 DNS server and 2 slave servers running on IPv4 (Debian Jessie), using /etc/bind/named.conf: listen-on-v6 { none; }; When I try to connect from different server(s) each connection ...
Tombart's user avatar
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I have the following network configuration: # ifconfig -a eth0 Link encap:Ethernet HWaddr 00:e0:1c:73:02:09 inet addr:10.1.4.41 Bcast:10.1.255.255 Mask:255.255.0.0 inet6 ...
Mikhail Morfikov's user avatar
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15 votes
1 answer
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What I'm trying to do is to route IPv6 traffic through a vpn tunnel. That way, I should be able to use IPv6 in a network that doesn't support IPv6. I have a VPS which has an IPv6 block assigned. Part ...
Ikke's user avatar
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15 votes
3 answers
23k views

What linux DHCPv6 client can I set up so it requests a prefix on one interface and then on all the other interfaces it will give out addresses (or if requested, a smaller prefix delegation)? It would ...
Azendale's user avatar
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15 votes
2 answers
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A docker container of mine exposes a HTTP interface on port 8500, which is mapped to host port 8500. It is not IPv6 enabled. This still means, I should be able to access it at localhost:8500. IPv6 ...
mknecht's user avatar
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