The ipv6 tag has no wiki summary.
25
votes
5answers
10k views
Convince apt-get *not* to use IPv6 method
The ISP I work at is setting up an internal IPv6 network in preparation for eventually connecting to the IPv6 internet. As a result, several of the servers in this network now try to connect to ...
5
votes
2answers
299 views
Route and “e” flag
k# route -6
Destination Next Hop Flag Met Ref Use If
::/0 fe80::8001 UGDAe 1024 0 0 eth0
[...]
What does flag "e" mean?
5
votes
2answers
18k views
Static IPv4 & IPv6 configuration on CentOS 6.2
I try to configure static IPv4 & IPv6 configuration on CentOS 6.2.
The configuration below works perfectly :
# ifconfig eth0 x.x.x.x/29
# route add defalt gw x.x.x.y
# ip addr add dev eth0 ...
5
votes
3answers
246 views
How can I disable automatic IPv6 neighbor route advertisement on a router?
I work for an ISP that's in the process of making its infrastructure IPv6-ready. Our core routers already have a working setup, but a large portion of our fiber customers are behind a router running ...
5
votes
2answers
1k views
How to disable requesting AAAA records when I have no IPv6 address?
Why can I see AAAA DNS requests when I run tcpdump on my Scientific Linux PC when I haven't got any IPv6 addresses? I already rebooted after setting NETWORKING_IPV6=no in /etc/sysconfig/network and ...
4
votes
3answers
469 views
General Linux support for IPv6 ready?
From an end user perspective, what needs to be, and have been done, by developers to support IPv6 in the Linux kernel and Linux distributions?
In other words, when (and if) someday the worlds ...
4
votes
1answer
1k views
Inability to use IPv4-mapped IPv6 on debian squeeze
I have a squeeze box that I'm testing ipv6 on... eth3 is the interface... if I set up an 'normal' ipv6 address (::101:c0a8:3132/120), I see expected results in ifconfig...
eth3 Link ...
4
votes
1answer
293 views
Control source address for whois queries
is it possible to execute the command "whois" and choose the outgoing ip for the query?
I have mounted several IP's on my network interface "/etc/network/interfaces" for ssl porpuses, but would be ...
3
votes
2answers
442 views
“IPv6 support is disabled” warnings
I get the error while running a script which tries to send emails.
send-mail: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol
send-mail: warning: ...
3
votes
1answer
1k views
avoid IPv6 link local address on interface
I have a setup with virtual Xen hosts connected to a set of VLAN-s. On Dom0, I have set up a bridge for each of my VLAN-s to connect DomU-s to. Bridges are set up in /etc/network/interfaces like ...
3
votes
2answers
133 views
SSH login via IPv6 successfull while using IPv4 to the same host yields “Permission denied”
I'm currently stumped by a strange problem… I have a dual stack host to which I want to SSH. If I connect via IPv6 everything works like expected
datenwolf@foo ~/ > ssh -6 bar.example.com
...
3
votes
1answer
349 views
arping equivalent for IPv6
What is an equivalent for IPv6 of
arping -q -c 3 -A -I [device] [ip]?
I know, there is not an arp in IPv6 and Neighbor solicitation used instead, but which linux user space tool can send such ...
3
votes
2answers
637 views
IP rule for IPv6
When I try to add an IP rule for IPv6 on my Linux system, it errors out:
$ ip -6 rule add fwmark 0xfab lookup 0xf
RTNETLINK answers: Address family not supported by protocol
I checked out the IP ...
2
votes
3answers
436 views
How to check a Fedora system if IPv6 is disabled or not?
I remember that some distribution installers asked in the past if IPv6 should be enabled or not. Perhaps the Fedora installer did (or does) it as well.
How do I easily check a Fedora system (>= 17) ...
2
votes
1answer
61 views
Make a linux network device a router
I am developing an IPv6 network device driver. It should behaviors like a router, i.e. send router advertisement regularly. But now my device is working like a node, send router solicitation. What ...
2
votes
1answer
886 views
How to make IPv6 static routes persistent on CentOS?
Static routes are forgotten once the network service is restarted. However, IPv4 static routes can be made persistent by adding them to /etc/sysconfig/static_routes. This file is read by the network ...
2
votes
1answer
1k views
How to configure an OpenWrt 10.03 router to forward an IPv6 connection to the clients?
So I have a TL-WR1043ND router with OpenWrt 10.03 on it. I have clients connected to it through the LAN ports. My ISP provides me a /64 IPv6 block, and I'm using PPPoE authentication.
How can I ...
2
votes
2answers
734 views
DHCPv6 prefix delegation server for linux?
What linux DHCPv6 client can I set up so it requests a prefix on one interface and then on all the other interfaces it will give out addresses (or if requested, a smaller prefix delegation)? It would ...
2
votes
1answer
346 views
Can't get Hurricane Electric IPv6 tunnel to work on Fedora
I have recently moved to a university where all computers get a public IPv4 address. Since the teredo tunnel I was using doesn't work anymore and I have a public address, I am wanting to use Hurricane ...
2
votes
1answer
227 views
How to set up the server to use IPv6 network
I have a server which is able to connect the network through IPv6 tunneling. I want to use it as a proxy server. I have to things to understand:
How to set up the DNS? Is there any open DNS that ...
2
votes
2answers
650 views
How do I set up an IPv6 tunnel in Fedora?
I have been experimenting with IPv6. Hurricane Electric through their http://tunnelbroker.net service offer a free IPv6 tunnel. I would like to be able to use this reliably on my Fedora 14 desktop ...
2
votes
0answers
113 views
Inject a packet to a different NFQUEUE
I have an NFQUEUE, for IPv6 packets hooked to PREROUTING chain of mangle table in ip6tables.
Once I receive a packet in user application, I modified the header. Infact, modified the header from IPv4 ...
2
votes
2answers
158 views
Linux: Is there a IPv6 equivalent to the IPv4 kernel option accept_local?
Since linux kernel >= 2.6.33 the kernel option "accept_local" can be modified:
/proc/sys/net/ipv4/conf/${interfaceID}/
accept_local - BOOLEAN
Accept packets with local source addresses. ...
2
votes
0answers
300 views
Linux bridge blocks UDP packet from tap interfaces
Introduction: I'm working on a 6lowPAN projects of Wireless Sensor Networks. Basically, I have a set of nodes (Contiki OS) which are running on a linux host. Each nodes have its own tap interface ...
1
vote
3answers
203 views
How do I setup two or more IPv6 address on one NIC in FreeBSD?
How i can assign two or more IPv6 address on one NIC. I tried Google but no luck. I've done it with ipv4 but ipv6 can not .
Thanks in advance!
1
vote
4answers
391 views
Smallest Linux/BSD distribution for IPv6 testing?
I'd like to do some IPv6 testing at home, using VirtualBox. I could create a few VMs and leave it at that, but I feel that to really test IPv6 you have to scale up to many nodes.
So I wonder: what's ...
1
vote
1answer
86 views
How can I disable IPv6 in custom built embedded setup
I have an embedded system built using buildroot. I have had a number of network issues, one of which is that my machine cannot see its gateway despite it being on the same subnet. I have tried using ...
1
vote
2answers
995 views
How to disable IPv6 on OpenBSD?
I'm sure that in my network I will not use IPv6 only IPv4. So according to the KISS principle I will need to disable it. How can I do it? OS is OpenBSD 5.1.
1
vote
1answer
105 views
How to check if IPv6 is enabled on a Debian Linux?
Can one disable the IPv6 stack on Debian Linux, especially Wheezy? If so how do I know if it's disabled on a system?
1
vote
1answer
183 views
Add ipv4 support to CentOS 6.3
I've installed two identical versions of CentOS using VirtualBox. The first instance works fine and has ipv4 configuration automatically working, but the second instance doesn't; it only comes with ...
1
vote
2answers
107 views
postfix add single IPv6 address
I have my webserver set up to send out email as a smartserver using postfix and it does not allow any other machines on my network to send mail through it. I've been able to send email from my ...
1
vote
1answer
88 views
IPv6 address changed after upgrade. Why? and how can I harden my .htaccess against this?
I noticed in my local webserver logs that the IPv6 address of my desktop changed after upgrading to Kubuntu 12.04.
inet6 addr: ...
1
vote
1answer
192 views
EUI64 and ipv6: how to use own EUI64 for IPv6 autoconfiguration
As I heard the extended unique identifier (EUI-64) can be used as the lower 64 bits of a IPV6 address. How can I set my own EUI64 = ( IEEE_company_ID + manufacture_ID) on the interface on Linux SUSE ...
1
vote
1answer
271 views
snmp/snmptrap support of ipv6
I have IPv6 only (not dual stack) system
I wondering how to
- send snmptrap from this system?
- configure snmpd to be able to access it?
I mean, is snmp is ready to use in IPv6 only environment?
1
vote
1answer
122 views
IPv6 NDP timer problem
Need to change Fedora Linux's IPv6 stack for NDP DAD timer changes.
How to locate the Fedora's IPv6 and IPv4 stack in Fedora distribution dvd/site so that, we can recompile and generate new stack ?
1
vote
1answer
15 views
tproxy per user
I'm in the process of adding some parental control to my box (http filtering), but I'm something of a nOOb when it comes to network configuration :-(
I have two squid instances, one (for adults) only ...
1
vote
0answers
192 views
How to configure dhcpd to register ipv4 with bind while having static ipv6 addresses?
I have IPv6 configured on my local network via radvd; it advertises a routable IPv6 block, that all the machines auto-configure.s
I have IPv4 assigned to a NAT'd block via dhcpd and that updates ...
