IPv6 is the newest version of the Internet Protocol. It is designed to supersede IPv4 as it offers many more addresses.

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177 views

How do I configure a mikrotik router to run on IPv6?

I am experimenting with ipv6 and would like to connect to my Mikrotik router via ipv6 on a local level. This would include connecting to it by an ip6 address, and interacting via icmp6. I have ...
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0answers
34 views

Gogoc and OpenVPN - can't seem to make them work together

I have a problem with my setup and I was hoping you guys could help me figure out what I should do. I'm currently running a 6LowPAN using RaspberryPi and Arduino nodes. Since I don't have native IPv6 ...
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0answers
201 views

PPTP VPN only using IPv6 Connections?

I followed this tutorial to set up a PPTP VPN: https://www.digitalocean.com/community/tutorials/how-to-setup-your-own-vpn-with-pptp Once complete, I connected to it with my desktop and noticed I ...
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0answers
106 views

IPv6 configuration: ISP is blocking Neighbor Discovery

My ISP offers IPv6 to interested customers, but doesn't provide any support in this regard. I've been given a /64 prefix (let's call it 2345:6789:11:22::/64), a gateway address (2345:6789:11:22::1) ...
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3answers
308 views

PTR record and A record should match. What if there is no A record?

If I understand RFC1912 section 2.1 correctly, these rules apply for PTR records: 1) Every working IP should have a PTR record 2) PTR and A records should match (although this is not checked ...
21
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3answers
27k views

What is the relevance of “fe80::1%lo0 localhost” in /etc/hosts?

Following are the entries in my /etc/hosts. I was wondering what is the last entry (fe80::1%lo0 localhost) for. 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost ...
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0answers
40 views

How do i get pdnsd to cahce both ipv4 and ipv6 records and use what's available?

This is how i run pdnsd mostly: pdnsd -4 -c /etc/pdnsd.conf -d -muo Unfortunately for some websites it looks for an AAAA record vs an A record and because AAAA is not cached by pdnsd it takes time. I ...
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0answers
642 views

Window Server 2012 throttling incoming IPv6 network file sharing operations

Short version IPv4 download from server: fast IPv4 upload to server: fast IPv6 download from server: fast IPv6 upload to server: slow Full version I am copying files from a GBe desktop to a GBe ...
2
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1answer
200 views

Configuring a static IPv6 address that inherits delegated prefix

My ISP (comcast) delegates a prefix, my router is passing along the prefix delegation (pd) onto the LAN. My Debian machine is getting the prefix and appending using EUI-64 address. That's nice but not ...
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1answer
136 views

Configuring IPv6 on Debian - Global temporary address

My mac generates a daily temporary ipv6 for outbound connection usage, is there something similar that's available on Debian? Thank you! -Pablo
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1answer
80 views

IPv6 gateway configuration

I'm running a dedicated server at OVH with 16 virtual machines on vmare ESXI. The vms are running debian 7. Network 2001:xxx:2:9508::/64 Gateway 2001:xxx:2:95FF:FF:FF:FF:FF according to the OVH ...
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2answers
101 views

Running DHCP for ipv4 and ipv6 on different servers in the same network

I have a network where ipv4 addresses are assigned via DHCP on the router. The router, however, is capable of routing ipv6 but does not support ipv6 DHCP. Would running 2 DHCP servers (one for ipv4 ...
23
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4answers
2k views

What's the responsibility of an IPv6 owner?

Living behind a consumer-grade router for the memorable past, I guess I took the side-effect of NAT for granted, in that I had the burden of forwarding ports when I needed to, instead of have to ...
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1answer
68 views

IPv6 subnetting - coverting decimal to hexadecimal

I came across a question on IPv6 subnetting, You work as a branch network administrator of a large company with offices in many cities around the world. The corporate network is currently in ...
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0answers
2k views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
0
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1answer
86 views

ip6tables: how to handle periodically changing prefix?

My ISP provides me with native IPv6 (unfortunately DS-Lite for v4) and I'm using SLAAC for the clients in my local network behind a broadband router. As I don't trust the router (which is configured ...
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0answers
92 views

Why does Google Chrome listen on port 8000?

Occasionally when starting up a development server (again), it will die with the message that the port 8000 is already in use. Running $ lsof -n -i4TCP:8000 | grep LISTEN then reveals Google ...
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1answer
88 views

Is it possible to get two IPv6 networks to communicate over IPv4 Internet in this case?

I have a setup of a laptop connected to a cellular IPv4 network (3G usb dongle) and PC connected to another IPv4/IPv6 network. Both have been configured to run as IPv6 routers and each has its IPv6 ...
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2answers
2k views

Routing IPv6 traffic through Debian pptpd into Hurricane Electric's IPv6 tunnel

I have set up a tunnel using Hurricane Electric's services on a Debian machine. It seems to work alright; I can ping6 ipv6.google.com and open it in links. I've also set up a PPTP daemon on the ...
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1answer
69 views

IPV6 and MAC discovery

Is there a way to get the MAC and IPV6 Global link address for the network, just as ARP does with IPV4 in Ubuntu. I tried to retrieve IPV6(Link Local Address) using THC-IPV6 tool. But retrieving MAC ...
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1answer
133 views

Getting LAN clients to use IPv6 tunnel of Debian router

I have a Debian Jessie powered server which acts as router for our home network. I have succesfully managed to set up an IPv6 tunnel using TunnelBroker and traceroute commands return succesfully. ...
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1answer
98 views

Enabling IPv6 causes certain websites to go dark?

I'm trying to enable IPv6 since my new ISP (CenturyLink) supports. When I do, however, I am unable to connect to half the websites I visit, even if they're well known and well developed. (Yahoo.com ...
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1answer
101 views

Unknown IP address is kept loggin into my email account

My Google account showed me that this IP address (2601:2:1080:6bf:596c:862:733b:9ccb) has logged into my email account multiple times. Is there anyway to track this IP address? This is not what a ...
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1answer
228 views

Is IPV6 blocking my DHCP on Fedora?

I’m running Fedora 20 with KDE on a laptop I use for work. When I’m at home I use DHCP and when at work I have to statically assign an IP. When I came home the other day for some reason it doesn’t ...
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1answer
26 views

Choose different host part during IPv6 auto configuration

My Internet provider assigns dynamic IPv6 prefixes, which changes every few days. Is it possible to change the host part during auto configuration, e.g. using the prefix from the router ...
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1answer
37 views

Behavior of IPv6 Privacy Extensions

IPv6 privacy extensions are defined in RFC 4941. From that I understand that the temporary interface identifier is not only chosen anew when the temporary lifetimes expire, but also when the link ...
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2answers
53 views

Virtualbox running Ubuntu and ipv6

I'm just playing around with ipv6 and I was trying to use netcat over ipv6. I tried the following and it works. $ # terminal one $ nc -6 -l 7171 $ # terminal two $ nc -vvv -6 ::1 7171 ...
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0answers
748 views

Default Gateway IPv6 but IP set on IPv4

I have a client who has a network setup. I have a couple of devices which work on the network using socket communication which I want integrated onto their network. There is a PC which is to be made ...
0
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1answer
242 views

Google Chrome freezes using IPv6

I've got a bit of a problem with Google Chrome. A few weeks ago I switched to another ISP that offered IPv6. Since then Chrome is randomly freezing when accessing certain websites (freezing as in "not ...
3
votes
1answer
636 views

Windows doesn't respond to IPv6 multicast ping

I'm trying to do a IPv6 multi-cast ping from Linux and I can't get a response from my windows host. ping6 -I eth1 ff02::1 Will find all my Linux and iOS devices but not my Windows hosts. I can find ...
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2answers
242 views

Debugging IPv6 routing issues

I have been given a native (no tunneling etc) IPv6 /64 block by my ISP. My pfSense router has successfully got an address, and from its WAN interface I can for instance ping ipv6.google.com and get a ...
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4answers
160 views

IPv6 and its various incarnations

Is there a way already in place to make use of IPv6 as a routable protocol? Is it possible to buy private IP addresses for IPv6 yet and if so who sells them? Would there be any performance advantage ...
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14 views

Revoking a dhcpv6 address lease

Is it possible to revoke a dhcpv6 address lease before it expires? For instance, if the prefix changes, is it possible to distribute new IPv6 addresses?
2
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1answer
104 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www ~]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match ...
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0answers
48 views

Issues configuring IPv6 on Red Hat 5.8

I'm new at linux and i'm trying to configure IPv6 on a Red Hat 5.8 due a specific application I'm working on. This Linux is installed in a VMWare 8 and the IPv4 is working fine! I can ping the host ...
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0answers
99 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
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1answer
267 views

Reinstalled Windows 7 - Now cannot connect to any activation server or Microsoft Exchange

I reinstalled Windows 7 this morning, and now I am unable to connect to any activation servers for any Adobe software, and I cannot connect to Office 365 Microsoft Exchange server in Outlook 2013. ...
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2answers
118 views

IPv6 Virtual Network in Linux

I'm going to do a project based on IPv6 Network. So I need to create a IPv6 Virtual Network in my Linux OS (I use Ubuntu). Also I need to create some virtual hosts in my virtual network and setup ...
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3answers
131 views

VDSL2 Modem in bridged mode using IPV6 in LAN

I have a VDSL2 IPv6 modem, it is bridged by default so usually sharing files between computers in LAN has happened with the same speed as my connection, which is 100/30 mbits. So basically all the ...
0
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2answers
2k views

IPV6 auto configuration not working in Ubuntu Natty

In Windows 7, my computer can automatically get a IPV6 global address and use IPV6 network, but in Ubuntu Natty, I can't find out how to let stateless configuration work. My network is a university ...
0
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1answer
411 views

Understanding my router IPv6

I got my new Internet contract today. This is the first time I use this router and deal with IPv6. I want to host a local website on a home server. I went to the configuration page of the router and I ...
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1answer
2k views

Debian - IPv6 disable 'Stateless Address Autoconfiguration'

I've installed Debian 6.0.6 running on kernel 2.6.32-5-amd64 and after the installation I assigned a static IPv6 address to the eth0 interface. This is how my /etc/network/interfaces file looks like: ...
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2answers
138 views

Switching to IPv6 - Do I need a router? [closed]

In the future, since every IP (IPv6 adress) is going to be global, we don't need to use NAT. So basically, why do I need a router on an IPv6-only global network? Why not just replace my router with a ...
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2answers
110 views

My router has only IPv6 and I need to host websites

I have never dealt with IPv6. Today I got my internet installed from an internet company and they brought the router. When I accessed the router to see its public ip address, I found that there is ...
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0answers
152 views

I can only connect to IPv6 websites

my problem is, that I can only connect to servers and their websites supporting IPv6 (such as google.com or facebook.com). On other sites, a ping request times out. Additional information: 1. My ...
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2answers
610 views

How to prefer ipv6 over ipv4 only for specific websites?

I only have ipv6 connectivity via a HE tunnel on my router, so normally I want to prefer ipv4 over ipv6. For some websites however, I would like to prefer ipv6. Right now I have just set ...
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3answers
299 views

Can't access my computer with its public ip

I installed MAMP on my Macbook Pro. It opens on 'localhost:8888'. I went to http://www.whatismyip.com/ and it gave me my ipv4 address. I copied my ip and put it on my browser like this: myip:8888 and ...
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1answer
116 views

NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
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0answers
301 views

Disable ipv6 in Opera? (windows)

How can i disable ipv6 in Opera? Windows version. Disabling ipv6 in Windows or using other browser are not acceptable options.
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1answer
504 views

Tomcat & Java not listening on IPv6 [closed]

We've got a webserver running Ubuntu 12.04 LTS, Tomcat 7 and Oracle Java. So far, we have been serving a web app on IPv4 address on ports 80 and 443 (80 redirects to 443). I'm trying to make the ...