Questions tagged [ipv6]
59 questions
22
votes
2 answers
Why do I have 2 IPv6 addresses?
If I go to System Preferences > Network > Advanced it is shown that I have 2 different IPv6 addresses (both with a 64-bit prefix). Why is so?
If I type ifconfig | grep inet on the terminal, it also shows me those 2 IPv6 addresses (among the other…
user90775
11
votes
3 answers
IPv6 dns resolution on macOS High Sierra
My ISP provides me only with an IPv4 address.
After setting up a connection to my university OpenVPN server, I get an IPv6 address. With an example IPv6 address www6.fit.vutbr.cz
I can:
host www6.fit.vutbr.cz
ping6 www6.fit.vutbr.cz
traceroute6…
OndrejG
- 111
- 1
- 3
9
votes
1 answer
Can I turn off IPv4 and just use IPv6 on my Mac?
Im really just curious to try IPv6 and see what happens. Is it possible to turn on IPv6 and to turn off IPv4 on my Mac? If it is possible, how can I do it?
Justin808
- 489
- 1
- 5
- 13
9
votes
3 answers
Does OS X have a builtin DHCPv6 client?
Upon testing a within a standalone network with just a DHCPv6 server on it and several client computers with different operating systems, OS X 10.7.4 fails to automatically obtain an IPv6 address from the DHCPv6 server.
Settings are set as the…
MrDaniel
- 12,622
- 9
- 52
- 93
9
votes
1 answer
Does macOS support AnyIP?
I would like to assign a complete block to my Mac as described in this question: Can I bind a (large) block of addresses to an interface?
There it is explained that AnyIP is supported for IPv6 by the Linux Kernel and how to configure it on your…
Hipska
- 93
- 4
8
votes
1 answer
How can I see my IPv6 neighbors?
On a Linux machine, I can see my IPv6 neighbors using the following command (Also see the Linux IPv6 HOWTO:
# ip -6 neighbor show
2002:333:333::1 dev eth1 lladdr 00:12:1e:33:AA:BB router REACHABLE
What is the equivalent command on a Mac…
Stefan Lasiewski
- 1,149
- 4
- 15
- 24
8
votes
5 answers
Is it possible to use Back To My Mac DNS or routing information from the command line?
I often want to ssh to a Mac and would love to make use of of iCloud to look up IP/DNS routing information. Can this be done without signing up for a dynamic DNS service and configuring it on each Mac in addition to iCloud?
Let's assume of my…
bmike
- 226,393
- 78
- 398
- 871
6
votes
1 answer
autoconf temporary ipv6 address
My mac machine has been assigned two public ipv6 addresses with same prefix. One is autoconf temporary and the other is autoconf secured. I know about secured one but what is the purpose of autoconf temporary address?
Thanks
Inderjeet Sohal
- 61
- 1
- 3
6
votes
1 answer
How to use rsync via ssh with IPv6 LLA (link local address) addresses on OSX?
I'm using OSX High Sierra and bash. I'm trying to use a backup script based on IPv6 LLA (so I always reach the server, without DHCP, names etc).
With IPv4 this works:
rsync -e ssh /src/dir/* user@192.168.0.1:/dst/dir
On Linux/Bash this works:…
Jorge
- 181
- 6
6
votes
2 answers
Which command to only output the IPv6 routing table?
$ netstat -nr is great for outputting the Mac OS X IP routing tables.
However its output is long as it contains both IPv4 and IP6 routing tables.
Sometimes I wish to output only the IPv6 routing table. Which short terminal command can I use to only…
Pro Backup
- 3,686
- 8
- 36
- 60
6
votes
2 answers
El Capitan "Create NAT64 Network" - connection issues
I am trying to test apps for IPv6 according to Apple's documentation at Supporting IPv6 DNS64/NAT64 Networks. I have difficulties connecting from the iPad to my app server.
My Network Layout:
The Fritzbox has IPv6 support turned on with 6to4…
Rainer Schwarze
- 270
- 2
- 13
6
votes
1 answer
How to access App Store using only IPv6?
There must be people curious about why I have to do this, so let me explain the reason first—Now I'm in an institute of Chinese Academic of Science, and the network environment is irritating. I'm allowed to use IPv4 traffic only no more than 1GB per…
Stan
- 263
- 2
- 6
5
votes
1 answer
How does Back To My Mac work without UPnP or NAT-PMP?
Back To My Mac (BTMM) used to require UPnP or NAT-PMP on your router to work, but at some point this changed and it can work (albeit slowly) without those.
BTMM (usually?) works by setting up an encrypted IPv6 tunnel over IPv4 between the two hosts,…
drfrogsplat
- 8,410
- 5
- 40
- 68
5
votes
2 answers
How to add AAAA flag (IPv6) to DNS resolver configuration on Sierra?
I have working IPv6 interface with /64 prefix. It means I can connect to direct IPv6 addresses through browser but can't connect to IPv6 hosts like testv6.madore.org.
The issue is in DNS configuration where I don't have flag "Request AAAA…
user469118
- 51
- 3
4
votes
2 answers
No IPv4 access on my Macbook Pro, only IPv6 works
MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) / macOS Big Sur 11.4
I'm experiencing a weird WiFi issue at our remote office where I'm only able to connect to IPv6 addresses and not IPv4 addresses. Ping does not work, ping6 works. Local DNS…
jarsta
- 43
- 5