Basics of moving from NAT ipv4 to no-NAT ipv6
JMain asked: Imagine a ipv4 setup like this, only on a much larger scale: 10.0.0.1 = Nat Router 10.0.0.2 = Business Server A 10.0.0.3 = Business Server B 10.0.0.4 = …
Why NDP doesn't work on virtual ethernet interface for packets arriving from outside?
Malgond asked: I am moving some of my services (SMTP, IMAP, etc.) into systemd-nspawn containers for better isolation, so I need to make some connections coming from outside redirected to …
What IPv6 Should I use
Nathaniel Sturtz asked: I have multiple IPv6s I need to know what works, on my network they all work, but I need to know what to use for my AAAA …
How to change hop limit of IPv6 in Linux?
caveman asked: net.ipv6.conf.all.accept_ra_min_hop_limit = 1 net.ipv6.conf.all.hop_limit = 65 net.ipv6.conf.default.accept_ra_min_hop_limit = 1 net.ipv6.conf.default.hop_limit = 65 net.ipv6.conf.enp0s25.accept_ra_min_hop_limit = 1 net.ipv6.conf.enp0s25.hop_limit = 65 net.ipv6.conf.lo.accept_ra_min_hop_limit = 1 net.ipv6.conf.lo.hop_limit = 65 net.ipv6.conf.wlp7s0.accept_ra_min_hop_limit = 1 net.ipv6.conf.wlp7s0.hop_limit …
Unable to configure IPv6 correctly in Ubuntu 18.04
joshsharp asked: I have a cloud instance on OVH which is accessible over IPv4 but not IPv6. It’s running Ubuntu 18.04. I’ve found conflicting advice about using netplan vs configuring …
sysctl disable IPv6 autoconf
Christian Klemm asked: I’m trying to setup IPv6 on my OVH server using their guide. In the article they recommend to disable IPv6 autoconf and router advertising to prevent known …
IPv6 address text notation with prefix: inside or outside square brackets?
Kaz asked: I’m skimming through some IPv6 related RFCs. Some claim that a prefix should be written outside of the square brackets, whereas others have it tacked on to the …
IPv6 routing between Host and Guest
alestark asked: I am currently facing an issue about my current setup. I basically have a dedicated server to which a /64 IPv6 subnet have been assigned (2a01:4f8:221:1e81::/64). Connectivity on …
Enable IPv6 on OVH VPS running Arch
MatTheCat asked: Having inaugurated my new OVH’s VPS SSD 1 I am greeted by a notification reading Your instance is now linked to a free IPv6 in addition to the …
DNS AAAA record setup – server pingable but website not working
eastclintw00d asked: I registered a domain at one.com and I’ve set up an AAAA entry (test.example.com) pointing to my raspberry pi server running ubuntu and apache2 (with default config on …