0
votes
1answer
24 views

No server response over IPv6 with NGINX

I decided I would give IPv6 a go for my website, but I am having issues getting my server to respond to requests via IPv6. I have already set up an AAAA record and have had a good go at configuring ...
0
votes
0answers
179 views

Configuring DHCP IPv4 and static IPv6 on the same interface

I need to configure on a network interface (eth1) with static IPv6 and get an IPv4 address from DHCP on a CentOS 6 machine? Using the configuration below I only get a dynamic IPv4 address: ...
3
votes
1answer
76 views

Can't get IPv6 setup statically using CentOS6 on a 1and1 dedicated server

I have a server at 1and1 that I'm trying to setup with a set of static IPv6 addresses. I can't get it to work and have tried every forum and guide I could find on google. Their tech support has told ...
0
votes
1answer
81 views

Server with multiple ipv4 addresses adding ipv6

I've got a dedicated Centos 6.5 server with nginx and 2 ip-addresses (these are 2 ip(v4)-failover addresses from OVH) for hosting 2 different websites on the same server. I want to add ipv6 addresses ...
0
votes
1answer
191 views

SPF: softfail (domain of transitioning email does not designate 2a01:4f8:121:2062::2 as permitted sender)

I am seeing this SPF softfail for emails sent from my server, and I notice that 2a01:4f8:121:2062::2 is an IPV6 address. When I check 2a01:4f8:121:2062::2 it is translated as 0.0.0.2 ipv4, so that ...
1
vote
1answer
152 views

How to enable IPv6 Autoconfiguration with static address in Linux (RHEL)

I have a static IPv6 address I would like to assign. When I add the address to the /etc/sysconfig/network-scripts/ifcfg-eth0 file and restart networking I realize I get several IPv6 addresses. The ...
0
votes
2answers
2k views

Getting an IP from an ipv6 dhcp server

I have the following lab: DHCP SERVER [Centos 6] /etc/dhcp/dhcpd6.conf default-lease-time 2592000; preferred-lifetime 604800; option dhcp-renewal-time 3600; option dhcp-rebinding-time 7200; allow ...
2
votes
1answer
310 views

CentOS, ifdown on virtual interface removes IPv6 addresses on physical interface

In CentOS 6.4, when using 'ifdown' on a virtual interface, the IPv6 addresses configured on the physical interface are also removed. I expect only the virtual interface to be changed. How can I ...
0
votes
0answers
459 views

IPv6 only works after pinging the default gateway (Centos)

We have a lot of nodes with CentOS 6 + OpenVZ (solusvm slave) with IPv6 working inside the containers without any problems. Now we installed new CentOS 6 + OpenVZ (solusvm slave) slave node server ...
1
vote
1answer
224 views

ipv6 /96 subnet and ip forwarding

I have a /64 IP subnet and I divided this subnet into /96 subnets in order to use it in the internal and external interfaces of my CentOS machine. The problem is that I can ping an address like ...
3
votes
1answer
956 views

Forwarding IPv6 traffic

How can I forward IPv6 traffic from my tun0 interface to the eth0 interface? ifconfig: eth0 Link encap:Ethernet HWaddr 00:16:3E:12:77:54 inet addr:208.111.39.160 ...
0
votes
2answers
138 views

IPv6 static routes

I am looking to configure a few hosts with IPv6 on my network. The router (running CentOS 5) is configured with an Hurricane Electric (HE) tunnel which works fine on that host. However, I would like ...
0
votes
1answer
578 views

Name resolution not working with ipv6 on centos

I just installed CentOs 6.3 on a server to be installed in a data center, but cannot get name resolution / curl to work. I know this is because of it trying to use ipv6, since ping google.com works, ...
1
vote
2answers
272 views

IPv6 very slow while IPv4 not on same server

I have a development and a production server, both running CentOS, on the same network with similar configurations. On one (the production server), when I do a curl, it attempts IPv6 first, but that ...
0
votes
1answer
439 views

IPv6 stateless autoconfiguration not working on CentOS 6.2

I have a problem setting up IPv6 connectivity to two virtual hosts that I run on VmWare workstation. The hosts are CentOS 6.2 x86 and x86-64. Even though they are on a bridged network and there is a ...
1
vote
2answers
402 views

Can I block all IPv6 traffic if I'm not using it/planning to use it?

I'm setting up a CentOS server and I have no intention to use IPv6 on it by now. Because of this, I have a few simple questions: Is there any problem in blocking all IPv6 traffic on this machine (in ...
1
vote
2answers
350 views

IP6 seems to be enabled - How do I configure it without interfering with IP4?

I noticed that some of my Centos boxes have IP6 enabled, and seem to have addresses. I have no problem with this, but I would like to get a handle on it, and even connect to them using IP6. This would ...
1
vote
1answer
219 views

Apache does not work

i rebooted server and apache stops responding but is running. Why is this happening, can blame ipv6? Error log: [Sun Jan 23 08:25:17 2011] [notice] Apache/2.2.3 (CentOS) configured -- resuming ...
2
votes
2answers
2k views

Static IPv4 and dynamic IPv6 on same interface

I am trying to set up a CentOS 5.4 box to use a static IPv4 address, while getting a dynamic IPv6 address at boot time. I have only one interface, apart from the loopback interface, eth0. It has a ...
0
votes
1answer
1k views

Disable NSS LDAP IPv6 (AAAA) lookups

Question: How can I disable inet6 AAAA queries for my LDAP server during (LDAP-backed) NSS lookups on a CentOS (RHEL) 5 machine? Background: I've servers configured to consult ldap://ldap.internal ...
1
vote
2answers
1k views

IPv6 forwarding not working

I have a server in a datacenter with native IPv6 connectivity. (I have a /48 block at my disposal.) I want to use this server as a ipv6 tunnel server over openvpn, but I can't get it to work ...