1
vote
0answers
10 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www xtables]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match ...
3
votes
1answer
59 views

How can I manually generate a new temporary ipv6 address by generating a new host identifier on Windows/Linux

Right now I am playing a bit with IPv6. Is there any way how I can manually force Windows/Linux to generate a new host identifier instead of waiting for Windows/Linux to do it on it's on schedule ...
0
votes
0answers
32 views

NetworkManager - IPv6 same metric: prefer wired connection

Situation: I have a Linux system with a wired (enp0s20u2) and a wireless (wlp2s0) networkcard connected to the same network. The networking is managed by NetworkManager 0.9.8.9. The routing tables ...
1
vote
1answer
144 views

How do I deploy IPv6 within a LAN using a Debian based router and prefix delegation?

My ISP started using DHCPv6, which means with this /etc/network/interfaces... auto lo eth0 eth1 iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 192.168.0.1 netmask ...
1
vote
1answer
40 views

Vanity IPv6 address with SLAAC

I would like to force the second half (the interface identifier) of my link-local and SLAAC-configured global addresses to not be derived from my MAC address or completely random (from privacy ...
0
votes
0answers
14 views

Quell ICMPv6 responses using Linux

On Linux, you can use: sysctl -w net.ipv4.icmp_echo_ignore_all = 1 to quell ICMP echo responses from the Linux networking stack. This is different from BLOCKING ICMP responses using ...
0
votes
2answers
67 views

How to “extend” IPv6 stateless autoconfiguration domain to my other network without bridging?

My router's uplink is network that uses has a /64 IPv6 space and uses stateless autoconfiguration. I want the same stateless autoconfiguration to be available on the second router's interface. The ...
1
vote
1answer
88 views

How to transparently tunnel a port from IPv4 to a remote IPv6 device?

At home, I am connected with an IPv6 address and additionally, my provider provides a NAT-like setup through which I receive a public IPv4 address that I share with other customers (the reason being ...
0
votes
0answers
104 views

Get IPv6 to work

I'm trying to get IPv6 to work. My host provied me the following informations: IPv6 network: 2a03:4000:2:483::/64 IPv6 gateway: fe80::1 My /etc/network/interfaces looks like this: # The loopback ...
0
votes
2answers
135 views

How can I filter the output from a multicast ping6 to all nodes to get all reachable IPv6 Devices in one moment in time?

How can I filter the Output from a multicast ping to all nodes so that in the output file every IP appears only once? If a new device joins the network its written to a file with a joining ...
1
vote
1answer
240 views

Internet Connection frequently dropping on Ethernet

My internet connection is frequently dropping on Wired Lan (Ethernet) but the wireless works fine without any problem. It's not an issue of Internet Speed as Internet works fine in Windows. ifconfig ...
1
vote
1answer
63 views

Use sixxs subnet on one machine

I've got a sixxs subnet with aiccu on my debian vps, and want to use the complete subnet at my vps. Currently only the 2001:4dd0:f000:000f::2 is usable. My config: (ip a) 3: sit0: <NOARP> mtu ...
1
vote
0answers
105 views

DMZ Linux host in IPv6 network with changing prefix

I have the following scenario: My home network is connected to the internet via IPv6, the router advertises the network prefix in the network so devices are auto-configured. The network prefix ...
0
votes
0answers
140 views

Port redirection with Apache mod_proxy

I have a server running a modified Debian Squeeze distro (OpenMediaVault, a NAS distro), and I want to add some Apache rules to map specific ports to subdomains. These ports are the running web ...
0
votes
0answers
26 views

SIT tunnel link errors

I've got a SIT tunnel set up on Linux since my ISP uses 6RD to provide IPv6 connectivity. When I check the tunnel interface with ifconfig, it says the following: 6rd Link encap:IPv6-in-IPv4 ...
0
votes
1answer
255 views

radvd won't accept non-/64 subnets

I'm trying to set up radvd on a 6RD configuration (on Linux), where I have a /64 subnet, and I'm trying to use it on two distinct physical networks, so I'm trying to give each of them a /80 subnet. ...
2
votes
1answer
432 views

disable IPv6 autoconf (MAC-based) IPv6 address without disabling privacy addresses?

Is it possible to configure the Linux kernel to automatically get the RFC4941 temporary (privacy) IPv6 addresses without getting the RFC4862 public (MAC-based) IPv6 address? With the following sysctl ...
5
votes
1answer
222 views

Use IPv6 temporary address only with remote peers

I think this question concerns the interaction between the configurable Default Address Selection algorithm defined by RFC-3484 and the temporary addresses defined by RFC-4941, though the solution may ...
1
vote
1answer
95 views

In tspc ipv6 tunnelling, does tunnel broker required for ipv4 to ipv4 communication?

I am new in embedded systems and trying to add support the ipv6 network availability in my new product but I have understood that, First of all, My system is connected to IPv4 ISP and I want to ...
2
votes
2answers
1k views

How to get both IPv4 and IPv6 dynamic address

Running dhclient gets me an IPv4 address. Running dhclient -6 gets me an IPv6 address. And the man page says you can't combine v4 and v6. So how to get both v4 and v6 addresses at the same time?
0
votes
1answer
310 views

Why is UDP traceroute not working for IPv6?

I have just gotten dual stack support on my CMTS and enabled IPv6 on my router. I have debian installed on my PC, and I am noticing the default traceroute (uses UDP on linux) is only making it to my ...
2
votes
3answers
12k views

How to disable ipv6 on a specific interface in linux?

Could someone tell me how to disable ipv6 auto-config on a specific network interface in CentOS? The current situation is: A PC has two network adapters eth0 and eth1 that are connecting to the same ...
1
vote
1answer
134 views

How to troubleshoot lost 6to4 packets?

On my VDS, both 6to4 and Teredo seem to work poorly (packet loss is about 40%). just-ping.com shows packet loss 10%-80% both for 6to4 and for Teredo address, but 0% for IPv4 address. When running ...
0
votes
1answer
179 views

Does presence of Link local address mean the system support IPv6?

I am trying to implement dual stack for IPv6 support in a IPv4 system. I have configured a DHCP server which gives IPv4 and IPv6 address to the device. My PC and the VM running on it gets both, IPv6 ...
1
vote
1answer
964 views

How can I completely disable IPv6 on Debian (squeeze)?

I'm running Debian Squeeze (with a stock 2.6.32 kernel). I'd like to completely disable any kind of IPv6 traffic. Can I do this? There doesn't seem to be any relevant module loaded. Perhaps some ...
3
votes
2answers
19k views

How to disable IPv6 on Debian Wheezy?

I know there's a wiki entry http://wiki.debian.org/DebianIPv6#How_to_turn_off_IPv6 that shows how to disable IPv6 in Debian Squeeze, but that's a 2.6.* kernel. What about 3.2.* kernels running ...
0
votes
0answers
3k views

How to Disable IPv6 on RHEL-5

I am trying to disable IPv6 on interface eth0 on RHEL 5. Here is a description of what I have attempted. I had already made following entries in ifcfg-eth0 : IPv6INIT=NO IPV6AUTOCONF=NO Following ...
1
vote
2answers
507 views

IPv6 tunnel from behind an ISP-level NAT

Previously, at a different location, I set up a Hurricane Electric IPv6 tunnel, which worked fine, allowed me to access IPv6 only sites and test the native IPv6 connections on my remote servers. ...
0
votes
1answer
876 views

Why do I have so many IPv6 (inet6) addresses?

If I run ifconfig on my Linux (Ubuntu) server, I get the following output: eth0 Link encap:Ethernet HWaddr d0:27:88:0f:80:74 inet addr:10.1.0.11 Bcast:10.255.255.255 Mask:255.0.0.0 ...
3
votes
1answer
254 views

Can I prioritize IPv6 traffic over IPv4 traffic on Linux?

Is there a way I can give traffic over IPv6 a higher priority than traffic over IPv4? Purpose is 2-fold: Promote IPv6, and be able to connect even when my server is swamped by IPv4 users.
1
vote
0answers
325 views

How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
1
vote
0answers
112 views

How to redirect local connection to my things in IPv6 on linux?

With IPv4 I can make some program connect to my service instead of where it wants using REDIRECT and DNAT targets in OUTPUT chain in iptables (sometimes combined with -m owner) In IPv6 hovewer I ...
1
vote
1answer
514 views

How to configure IPv6 routing from other computers to Teredo client in Linux

My computer (also router) uses Teredo to access and be visible on IPv6. How to assign neighbor IPv6 addresses to other computers for them to be able to be routed to Teredo using the router? What ...
0
votes
3answers
1k views

How to configure a large mtu (linux)

I have a gigabit ethernet connection from my laptop to my router, and a working ipv6 connection to the internet. I can receive very large packets from sites on the internet, with sizes up to at least ...
3
votes
1answer
422 views

ignore ipv6 router advertisements for static addresses with bonded interfaces

I need to attribute static IPv6 addresses (not use autoconfigured addresses, and ignore router advertisements). This can be done as follows for a standard interface like eth0 iface eth0 inet6 static ...
4
votes
3answers
1k views

How to get the IPV6 IP address of Linux machine?

I want to get IPV6 address on my linux box. I know one command to get the IPV6 address. Command: $ ip addr show dev eth0 | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' Output: ...
2
votes
1answer
3k views

How to add multiple IPv6 address for single host in /etc/hosts?

I want that a name should be resolved with multiple IPv6 addresses. I don't have access to a DNS server and I don't want to run a demon for that purpose. I want to add the entry in /etc/hosts and it ...
1
vote
1answer
327 views

linux route command not working

I use route command to add new route in my routing table. But it my new root is not added. Also it doesn't show any error for my command. Here is the console #route add ::/0 via fe::2 route: ...
0
votes
2answers
193 views

Dynamic allocation of IPv6 site local addresses

I am interested in hosting multiple services on a single host. Each service (which will all be HTTP for the sake of example) currently uses a private IPv4 address and different ports (e.g. there ...
1
vote
1answer
1k views

IPv6 local address in hosts file

I have set up a local domain on my Apache server. Then I added the following line in my /etc/hosts file ::1 exampledomain.local After I trying to navigate to it, (I tried ...
0
votes
1answer
2k views

IPv6 source address selection and routing in Linux

I'm in the process of setting an ipv6 on my test network. I work with a /56 network and CentOS 6.2. I have an interface with 2 IPv6 addresses on 2 different networks : 2b0 1:abcd:4001:c00::30/56 ...
1
vote
2answers
3k views

Linux/bash: How to get interface's IPv6 address?

What command can I use to get IPv6 address of an interface in a script? Update: Output of sed from one of answers. $ ip -6 addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 inet6 ::1/128 scope ...
1
vote
2answers
927 views

Can't ping Linux IPv6 address from Windows XP

I gave an IPv6 address to my SUSE Linux machine on a VirtualBox VM with ifconfig eth0 inet6 add ... I can't ping that address from Windows XP (vice versa) The address of the Linux machine is efbb::26 ...
2
votes
1answer
696 views

NDP entries on linux

Just as we have /proc/net/arp holding ARP entries in Linux, what is the file that holds the Neighbor Discovery Protocol (NDP) entries? I searched for it on the Linux box running IPv6, but to no avail. ...
0
votes
2answers
196 views

IPv6 LAN Clients IPV6 Address List

I am only using 'radvd'[Stateles Addres Configuration] server to advertise the prefix for LAN clients. LAN clients are formaing global ipv6 address based on advertised prefix. I need to display the ...
2
votes
0answers
471 views

Can't ping Linux IPv6 bridge from host

I'm using a Linux box with two network interfaces as bridge (br0) and one system (X) behind the bridge with its own IPv6 address configured. Its other end is connected to a router. The bridge ...
1
vote
3answers
2k views

How can I switch off IPv6 ND RA transmissions in Linux?

I am working on Ubuntu 11.04. I want to switch off the IPv6 ND RA transmissions. How can I do this?
2
votes
3answers
3k views

Which Linux-based firewall supports IPv6?

Out of the box neither IPCop nor ipfire support IPv6, not even on the green interface (internal LAN). How do I add IPv6 support to one of them? If that's not possible, is there a linux-based embedded ...
1
vote
1answer
570 views

Configure IP v6 on Linux machine

I use this command to assign a site-scope IP address: $ sudo ifconfig eth0 inet6 add fee3::216:cbff:fe94:1a86/64 $ Check it with ifconfig: $ ifconfig ... eth0 Link encap:Ethernet HWaddr ...
1
vote
2answers
1k views

Unable to close SSHD on IPv6 TCP port

I'm running Ubuntu 10.4 and I've tried disabling IPv6 as I don't currently need it. I rand the following to disable IPv6 and then rebooted my server: echo "#disable ipv6" | sudo tee -a ...