Re: [CentOS] IPv6 token with /60 and prefix delegation

Once upon a time, Kenneth Porter said: > Right now it's a CentOS 8 system running NetworkManager. The LAN > side is going to run the Kea DHCP server but for now I'm just trying > to get the WAN side going. The typical IPv6 CPU router setup is: - WAN receives Router Advertisement that says there

Re: [CentOS] IPv6 token with /60 and prefix delegation

--On Monday, May 09, 2022 12:16 PM -0500 Ian Pilcher wrote: So right now, you're assigning a /60 address to your LAN interface? If so, you almost certainly shouldn't do that. Instead, you should (as you say) pick a /64 from within the delegated /60 and use that subnet. (The other /64

Re: [CentOS] IPv6 token with /60 and prefix delegation

On 5/8/22 05:00, Kenneth Porter wrote: I'm trying to figure out how to assign a "static" address that automatically sets the prefix to what the ISP delegates. It seemed like the token system would accomplish that, but reading the kernel source code, I've discovered that tokens only work with a

[CentOS] IPv6 token with /60 and prefix delegation

I'm trying to figure out how to assign a "static" address that automatically sets the prefix to what the ISP delegates. It seemed like the token system would accomplish that, but reading the kernel source code, I've discovered that tokens only work with a /64 delegation. My ISP offers a /60,

Re: [CentOS] IPv6 mailing list?

On 10/27/2021 9:24 AM, Benson Muite wrote: There being no end-user IPv6 mailing list, it seems possible to set one up. I'd hoped that DSLReports would have a dedicated sub-forum but no luck. But I did discover that Reddit has one: https://www.reddit.com/r/ipv6/ Meanwhile, I found the

Re: [CentOS] IPv6 mailing list?

Maybe this is helpful: https://www.ietfjournal.org/ietf-support-for-ipv6-deployment/ There is a working group mailing list where you might get an answer: https://datatracker.ietf.org/wg/ipv6/about/ Seminars on IPv6 that may be of interest: www.industrynetcouncil.org/past-webinars

[CentOS] IPv6 mailing list?

Can anyone recommend an end-user IPv6 mailing list? (A web forum would also be acceptable.) I've been looking at available lists and they all seem targeted at backbone players and ISPs. I'm looking for something where we can report and resolve problems with our ISPs. For example, I just got

Re: [CentOS] IPv6 routing preference with multiple default gateways

Ugh. It looks like I need to read through the neighbor discovery RFC to understand how this works: https://datatracker.ietf.org/doc/html/rfc4861 I did discover that the radvd.conf page includes an entry for AdvDefaultPreference low|medium|high so I can at least set the preference of the

[CentOS] IPv6 routing preference with multiple default gateways

I've got a primary and backup CentOS 7 gateway, each with two interfaces, connected to my LAN and my fiber gateway. The default gateway (the fiber box) is set explicitly in ifcfg-eno2 with IPV6_DEFAULTGW. Using "ip -6 route show" I see two defaults, the static one and the one advertised from

[CentOS] IPv6 inbound routing

I see my ISP's gateway sending me neighbor solicitations to my external WAN interface for LAN clients on my internal LAN interface. How do I get the box to tell the ISP gateway that my box will route those addresses? I've been assigned a /56 and I'm using a /63 for the DMZ and a /64 for the

[CentOS] IPv6 DUID

Does anyone have a utility or method to show the IPv6 DUID for a client system without relying on looking through a DHCP server's logs or waiting until after a request is made? I'd like to determine a client's DUID before I set it up for IPv6, that way I can have it configured in the

Re: [CentOS] IPv6: ADDRCONF(NETDEV_UP): link is not ready after upgrading to 7.6

Gordon Messmer wrote on 30/12/2018 20:59: Hi, after upgrading to 7.6, kernel 3.10.0-957.1.3.el7.x86_64, at boot instead of the GUI login screen I got two lines like this: The output you see is probably unrelated to the problem.  Check the output of "systemctl status gdm" and

Re: [CentOS] IPv6: ADDRCONF(NETDEV_UP): link is not ready after upgrading to 7.6

On 12/25/18 11:54 PM, Luigi Rosa wrote: Hi, after upgrading to 7.6, kernel 3.10.0-957.1.3.el7.x86_64, at boot instead of the GUI login screen I got two lines like this: The output you see is probably unrelated to the problem.  Check the output of "systemctl status gdm" and

[CentOS] IPv6: ADDRCONF(NETDEV_UP): link is not ready after upgrading to 7.6

Hi, after upgrading to 7.6, kernel 3.10.0-957.1.3.el7.x86_64, at boot instead of the GUI login screen I got two lines like this: IPv6: ADDRCONF(NETDEV_UP): em1: link is not ready IPv6: ADDRCONF(NETDEV_UP): em1: link is not ready The server is accessible via ssh on IPv4 Server: DELL

Re: [CentOS] IPv6 fixed address using ip token

On Thu, 20 Sep 2018, Mark Milhollan wrote: >On Thu, 20 Sep 2018, Kenneth Porter wrote: >> I'm about to publish a fixed IPv6 address and I understand I can use the ip >> token command to lock the host part of the RA-assigned address to a fixed >> value. But I can't see an obvious place to

Re: [CentOS] IPv6 fixed address using ip token

On Thu, 20 Sep 2018, Kenneth Porter wrote: > I'm about to publish a fixed IPv6 address and I understand I can use the ip > token command to lock the host part of the RA-assigned address to a fixed > value. But I can't see an obvious place to configure this. It looks like there is no support for

[CentOS] IPv6 fixed address using ip token

I'm about to publish a fixed IPv6 address and I understand I can use the ip token command to lock the host part of the RA-assigned address to a fixed value. But I can't see an obvious place to configure this. The logical place would be in the ifcfg- file. Is there someplace else I should set

Re: [CentOS] IPv6 addresses order (CentOS6)

On 30 May 2017 at 08:26, Walter H. wrote: > Hello, > in /etc/sysconfig/network-scripts/ifcfg-eth0 I have this > > ... > IPV6INIT=yes > IPV6ADDR=prefix::5 > IPV6ADDR_SECONDARIES="prefix::2 prefix::3 prefix::4" > IPV6_AUTOCONF=no > IPV6_DEFAULTGW=prefix::1 >

Re: [CentOS] IPv6 addresses order (CentOS6)

On Wed, May 31, 2017 03:55, Steven Tardy wrote: > >> On May 30, 2017, at 3:26 AM, Walter H. >> wrote: >> >> is there a way to influence the order? > > Not sure what your use of multiple IPs is. . . but I'd probably use an > interface alias instead of secondary. > >

Re: [CentOS] IPv6 addresses order (CentOS6)

> On May 30, 2017, at 3:26 AM, Walter H. wrote: > > is there a way to influence the order? Not sure what your use of multiple IPs is. . . but I'd probably use an interface alias instead of secondary.

[CentOS] IPv6 addresses order (CentOS6)

Hello, in /etc/sysconfig/network-scripts/ifcfg-eth0 I have this ... IPV6INIT=yes IPV6ADDR=prefix::5 IPV6ADDR_SECONDARIES="prefix::2 prefix::3 prefix::4" IPV6_AUTOCONF=no IPV6_DEFAULTGW=prefix::1 IPV6_DEFAULTDEV=eth0 when I enter ifconfig the IPv6 addresses are in a different order eth0 Link

Re: [CentOS] IPv6 broken on Linode

--On Thursday, February 16, 2017 10:12 AM + Pete Biggs wrote: As I said, you need to look at dhclient configuration and command line options. If you have NetworkManager running then it will be controlling what dhclient does so manual editing the files will not work.

Re: [CentOS] IPv6 broken on Linode

interest are: ipv6.ip6-privacy ipv6.addr-gen-mode man nm-settings to get what they mean ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ipv6.ip6-privacy: -1 (unknown) ipv6.addr-

Re: [CentOS] IPv6 broken on Linode

ipv6.ip6-privacy ipv6.addr-gen-mode man nm-settings to get what they mean ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ipv6.ip6-privacy: -1 (unknown) ipv6.addr-gen-mode: stable-privacy Okay so

Re: [CentOS] IPv6 broken on Linode

packets 7786 bytes 1087223 (1.0 MiB) >>>>>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 >>>>>>> >>>>>>> That hardware address - the 18:8a:7e corresponds with what the IPv6 >>>>>>> address >>

Re: [CentOS] IPv6 broken on Linode

gt;>>>>> address >>>>>> is suppose to be. But that's not the address it is grabbing, despite >>>>>> the >>>>>> fact that net.ipv6.conf.all.use_tempaddr = 0 is set. >>>>>> >>>>>> I'm seriously wonderi

Re: [CentOS] IPv6 broken on Linode

; I'm seriously wondering if the real issue is a mis-configured dhcp >>>>> server >>>>> in >>>>> their London facility because nothing makes sense. >>>>> >>>>> journalctl -u NetworkManager >>>>> >>>&

Re: [CentOS] IPv6 broken on Linode

pv6.addr-gen-mode man nm-settings to get what they mean ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ipv6.ip6-privacy: -1 (unknown) ipv6.addr-gen-mode: stable-privacy __

Re: [CentOS] IPv6 broken on Linode

On 16 February 2017 at 10:42, Alice Wonder wrote: > On 02/16/2017 02:32 AM, James Hogarth wrote: >> >> On 16 February 2017 at 10:17, Alice Wonder wrote: >>> >>> On 02/16/2017 02:03 AM, James Hogarth wrote: On 16 February 2017 at 09:09,

Re: [CentOS] IPv6 broken on Linode

On 02/16/2017 02:32 AM, James Hogarth wrote: On 16 February 2017 at 10:17, Alice Wonder wrote: On 02/16/2017 02:03 AM, James Hogarth wrote: On 16 February 2017 at 09:09, Alice Wonder wrote: On 02/16/2017 12:54 AM, Tony Mountifield wrote: In

Re: [CentOS] IPv6 broken on Linode

Having used Linode and CentOS for years I have never had a problem quite like this. Sure sounds like the IPv6 is misconfigured in the DHCP server or is in use somewhere. Some things I would try are: 1. Set "Auto configure networking" in your config profile and reboot. 2. Try to assign the

Re: [CentOS] IPv6 broken on Linode

On 16 February 2017 at 10:17, Alice Wonder wrote: > On 02/16/2017 02:03 AM, James Hogarth wrote: >> >> On 16 February 2017 at 09:09, Alice Wonder wrote: >>> >>> On 02/16/2017 12:54 AM, Tony Mountifield wrote: In article

Re: [CentOS] IPv6 broken on Linode

On 02/16/2017 02:03 AM, James Hogarth wrote: On 16 February 2017 at 09:09, Alice Wonder wrote: On 02/16/2017 12:54 AM, Tony Mountifield wrote: In article <4cbb9dc4-f063-3434-b7a1-d4d0e6581...@domblogger.net>, Alice Wonder wrote:

Re: [CentOS] IPv6 broken on Linode

On Thu, 2017-02-16 at 00:37 -0800, Alice Wonder wrote: > https://forum.linode.com/viewtopic.php?f=19=14570=72785 > > I can not figure out what I need to do. > > Apparently according to linode support, the VM is trying to grab an IPv6 > address with some privacy stuff enabled by default causing

Re: [CentOS] IPv6 broken on Linode

On 16 February 2017 at 09:09, Alice Wonder wrote: > On 02/16/2017 12:54 AM, Tony Mountifield wrote: >> >> In article <4cbb9dc4-f063-3434-b7a1-d4d0e6581...@domblogger.net>, >> Alice Wonder wrote: >>> >>>

Re: [CentOS] IPv6 broken on Linode

On 02/16/2017 12:54 AM, Tony Mountifield wrote: In article <4cbb9dc4-f063-3434-b7a1-d4d0e6581...@domblogger.net>, Alice Wonder wrote: https://forum.linode.com/viewtopic.php?f=19=14570=72785 I can not figure out what I need to do. Apparently according to linode support,

Re: [CentOS] IPv6 broken on Linode

In article <4cbb9dc4-f063-3434-b7a1-d4d0e6581...@domblogger.net>, Alice Wonder wrote: > https://forum.linode.com/viewtopic.php?f=19=14570=72785 > > I can not figure out what I need to do. > > Apparently according to linode support, the VM is trying to grab an IPv6 >

[CentOS] IPv6 broken on Linode

https://forum.linode.com/viewtopic.php?f=19=14570=72785 I can not figure out what I need to do. Apparently according to linode support, the VM is trying to grab an IPv6 address with some privacy stuff enabled by default causing it to not grab the IPv6 address that is assigned to me. Nothing

Re: [CentOS] IPv6 address configuration and default IPv6 address with CentOS 6.8?

On 15.10.2016 10:42, John R Pierce wrote: On 10/15/2016 1:15 AM, Walter H. wrote: where can I define which IPv6 address is used as source IP, when doing e.g.wget ... ssh ... ... | mail t...@example.com on wget, its --bind-address= on ssh, its -b mail will,

Re: [CentOS] IPv6 address configuration and default IPv6 address with CentOS 6.8?

On 10/15/2016 1:15 AM, Walter H. wrote: where can I define which IPv6 address is used as source IP, when doing e.g.wget ... ssh ... ... | mail t...@example.com on wget, its --bind-address= on ssh, its -b mail will, afaik, forward the eemail to your local MTA,

[CentOS] IPv6 address configuration and default IPv6 address with CentOS 6.8?

Hello, when I have this in /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE=Ethernet NAME=eth0 NM_CONTROLLED=no ONBOOT=yes DEVICE=eth0 USERCTL=no ... IPV6INIT=yes IPV6ADDR=2001:DB8:DEAD:BEEF::10 IPV6ADDR_SECONDARIES="2001:DB8:DEAD:BEEF::20 2001:DB8:DEAD:BEEF::30 2001:DB8:DEAD:BEEF::40

Re: [CentOS] IPv6 routing with 2 different prefixes

On 13.09.2016 16:58, Gordon Messmer wrote: On 09/13/2016 12:03 AM, Walter H. wrote: why can only the router do ping6 2001:db8:0815::17 and not the linux box? It's not uncommon for systems to not route packets back out the interface where they were received. What kind of router is this? It

Re: [CentOS] IPv6 routing with 2 different prefixes

On 09/13/2016 12:03 AM, Walter H. wrote: why can only the router do ping6 2001:db8:0815::17 and not the linux box? It's not uncommon for systems to not route packets back out the interface where they were received. What kind of router is this?

[CentOS] IPv6 routing with 2 different prefixes

Hello I've got two prefixes, one /48 and one /64 let's say these two 2001:db8:0815::/48 2001:db8:4711:cafe::/64 the router has on it's ethernet interface the following to IPv6 addresses: 2001:db8:0815::1/48 2001:db8:4711:cafe::1/64 a windows box has 2001:db8:0815::17/48 and 2001:db8:0815::1 as

[CentOS] IPv6 on CentOS-6 - IPTables

It appears likely that within the next two quarters we will be moving off of our IPv4 class C's and onto a single IPv6 /40 for our sites. We have a fairly complex IPTables setup which handles our gateways and internal hosts. My question is just how much effort is involved in moving these rules

Re: [CentOS] IPv6 updating DNS

Bill Gee bgee@... writes: On Wednesday, October 01, 2014 15:23:52 Mark Tinberg wrote: All of my servers and workstations are able to ping6 to outside targets, and anything with a browser installed can open ipv6.google.com. So far I have figured out that you have to run TWO

[CentOS] IPv6 updating DNS

On Wednesday, October 01, 2014 15:23:52 Mark Tinberg wrote: All of my servers and workstations are able to ping6 to outside targets, and anything with a browser installed can open ipv6.google.com. So far I have figured out that you have to run TWO instances of DHCP. One instance

Re: [CentOS] IPv6 updating DNS

On Wednesday, October 01, 2014 15:23:52 Mark Tinberg wrote: All of my servers and workstations are able to ping6 to outside targets, and anything with a browser installed can open ipv6.google.com. So far I have figured out that you have to run TWO instances of DHCP. One

Re: [CentOS] IPv6 updating DNS

On 10/01/2014 03:06 PM, Mark Tinberg wrote: On Wednesday, October 01, 2014 15:23:52 Mark Tinberg wrote: All of my servers and workstations are able to ping6 to outside targets, and anything with a browser installed can open ipv6.google.com. So far I have figured out that you have to run TWO

Re: [CentOS] IPv6 updating DNS

On Wednesday, October 01, 2014 19:06:11 Mark Tinberg wrote: On Wednesday, October 01, 2014 15:23:52 Mark Tinberg wrote: All of my servers and workstations are able to ping6 to outside targets, and anything with a browser installed can open ipv6.google.com. So far I have

Re: [CentOS] IPv6 updating DNS

I don't need to resolve my hostnames outside my private network, so the EUI64 addresses will be fine. It'll be a pain collecting them, but that's a one-time job and I can write a script to redo them if needed. might I suggest ping6 ff02::1%em0 or whatever interface is appropriate, to ping

[CentOS] ipv6 only kickstart installs

Hi, I have a kvm host and I try to install a centos 6 guest with a static ip address. When I do a manual install I eventually get to the network configuration and if I enter IP, gateway and DNS Server I can ping6 the guest from the host and I can ping6 the guest from outside. I do not want to

Re: [CentOS] ipv6 only kickstart installs

network is not required, you can also use --initrd-inject trick like this: NAME=$(date +%s)-$RANDOM virt-install --name rhel6PVi-console-$NAME \ --disk /var/lib/libvirt/images/rhel6PV-console-$NAME.img,size=5 \ --nographics \ --vcpus=1 --ram=1024 \ --location /var/www/html/centos.iso \

[CentOS] IPv6

I have setup a CentOS 6.3 VPS with ONLY IPv6 access simply for testing at this point. It browses the Internet with lynx fine on most major sites that are IPv6 enabled. Yum does not seem to work though. Always tries to connect to an IPv4 mirror and gives an error. Is there a way specify an IPv6

Re: [CentOS] IPv6

On 04/24/2013 12:46 PM, Matt wrote: I have setup a CentOS 6.3 VPS with ONLY IPv6 access simply for testing at this point. It browses the Internet with lynx fine on most major sites that are IPv6 enabled. Yum does not seem to work though. Always tries to connect to an IPv4 mirror and gives an

Re: [CentOS] IPv6

I have setup a CentOS 6.3 VPS with ONLY IPv6 access simply for testing at this point. It browses the Internet with lynx fine on most major sites that are IPv6 enabled. Yum does not seem to work though. Always tries to connect to an IPv4 mirror and gives an error. Is there a way specify an

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

On 17.02.2013 г. 17:59 ч., Florian La Roche wrote: I could have written a script to remove IPV6 link local address but there should be a basic option for that. You can set: echo options ipv6 disable=1 /etc/modprobe.d/noipv6.conf But more and more apps then log problems or get confused if

[CentOS] IPV6 auto configuration cannot be disabled from if script.

I want to configure IPV6 on the system and not use some auto ipv6 config. I have tried to use IPV6_AUTOCONF=no in interface script dose not affect anything. ifcfg-eth0: GATEWAY=192.168.1.254 IPV6INIT=no IPV6_AUTOCONF=no BROADCAST=192.168.1.255 BOOTPROTO=none NAME= NM_CONTROLLED=yes MACADDR=

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

Am 17.02.2013 14:36, schrieb Eliezer Croitoru: I want to configure IPV6 on the system and not use some auto ipv6 config. I have tried to use IPV6_AUTOCONF=no in interface script dose not affect anything. ifcfg-eth0: GATEWAY=192.168.1.254 IPV6INIT=no IPV6_AUTOCONF=no

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

On 02/17/2013 08:36 AM, Eliezer Croitoru wrote: I want to configure IPV6 on the system and not use some auto ipv6 config. I have tried to use IPV6_AUTOCONF=no in interface script dose not affect anything. If you want to turn off IPv6 for all interfaces, make the needed changes to

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

On 2/17/2013 3:45 PM, Tilman Schmidt wrote: Perhaps you are confused by the link local address (Prefix fe80::) which is always present on an IPv6 enabled interface. HTH T. Sorry This is what I was aiming for. The link local address.. But it's also the autoconf: #sysctl -a |grep

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

I could have written a script to remove IPV6 link local address but there should be a basic option for that. You can set: echo options ipv6 disable=1 /etc/modprobe.d/noipv6.conf But more and more apps then log problems or get confused if ipv6 is completely disabled, so keeping the link local

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

I could have written a script to remove IPV6 link local address but there should be a basic option for that. Just to emphasise this as I guess it hasn't been clear enough yet... An IPv6 config with no FE80:: address is a broken config. This address should always be on an IPv6 enabled

Re: [CentOS] IPV6 auto configuration cannot be disabled from if script.

On 2/17/2013 8:10 PM, James Hogarth wrote: Just to emphasise this as I guess it hasn't been clear enough yet... An IPv6 config with no FE80:: address is a broken config. This address should always be on an IPv6 enabled interface, being generated automatically, and is not the same thing as

Re: [CentOS] IPv6 on Centos 6

An update to close: it's a vmware issue: thanks for the closure... VMware diagnosis can be a real pain... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] IPv6 on Centos 6

An update to close: it's a vmware issue: * new centos 5 creations exhibit the same behavior * a few months ago, we migrated from an esx 4.0 cluster to a new esx 4.1 cluster * we've just recently started using a new centos 6 template; the centos 6 system that's working was created before the

Re: [CentOS] IPv6 on Centos 6

On 8/11/12 2:17 AM, James Hogarth wrote: With ipv6 in the picture stop using net-tools - they were deprecated a long time ago and there's multiple edge cases and bugs where they don't work properly or lack features... learn to use the iproute2 toolset - ip, ss and tc being the key ones. Love

Re: [CentOS] IPv6 on Centos 6

Love gratuitous changes to long standard toolsets... sigh... It's not a recent change and is far from gratuitous http://lists.debian.org/debian-devel/2009/03/msg00780.html Features such as traffic shaping, policy routing and multiple IPs on an interface (not virtual interfaces) either

Re: [CentOS] IPv6 on Centos 6

On 8/13/12 12:00 PM, James Hogarth wrote: Are you allowing ICMPv6? I don't just mean echo and echo-reply (the pings above) but most of the rest of it too? Yes, the test system has the default ip6tables, but we always permit icmp: # Firewall configuration written by system-config-firewall #

Re: [CentOS] IPv6 on Centos 6

Yes, the test system has the default ip6tables, but we always permit icmp: Hmm this is especially weird given the 5.8 systems are working - otherwise I'd have moved the troubleshooting up to vmware or the switch next... Without access to the machines/switches to traffic dump and check in

Re: [CentOS] IPv6 on Centos 6

I found another CentOS 6 system that not only is talking ipv6 properly, but the test system that can't even talk to the router can talk to it. That indicates it's probably something wonky with the network itself... ___ CentOS mailing list

Re: [CentOS] IPv6 on Centos 6

On 13 August 2012 20:37, Alan Batie a...@peak.org wrote: I found another CentOS 6 system that not only is talking ipv6 properly, but the test system that can't even talk to the router can talk to it. That indicates it's probably something wonky with the network itself... Hmm... I don't have

Re: [CentOS] IPv6 on Centos 6

On 8/13/12 12:35 PM, James Hogarth wrote: Hmm this is especially weird given the 5.8 systems are working - otherwise I'd have moved the troubleshooting up to vmware or the switch next... Migrating one of the vms to the same physical host made them start talking to each other, so it's

Re: [CentOS] IPv6 on Centos 6

On Mon, Aug 13, 2012 at 12:46:44PM -0700, Alan Batie wrote: it's interacting badly with centos 6 is a good question. It could be a bug in vmware tools/the ethernet driver. At least it's narrowed down now... Are you using vmxnet3 drivers? That had a known bug with small udp packets, but it

Re: [CentOS] IPv6 on Centos 6

On Aug 11, 2012 2:00 AM, Alan Batie a...@peak.org wrote: On 8/10/12 5:50 PM, Stephen Harris wrote: On Fri, Aug 10, 2012 at 05:24:12PM -0700, Alan Batie wrote: IPV6_DEFROUTE=yes Not sure where you get that from. That's not something normally in our configs, I think it was in the

Re: [CentOS] IPv6 on Centos 6

On 8/11/12, Alan Batie a...@peak.org wrote: We've been running ipv6 for a year or so now, but some of our newer instances (all on an ESX cluster) are not working. It looks like it's all of our Centos 6 instances. I'm hoping someone can point me in the right direction... centos666.peak.org

[CentOS] IPv6 on Centos 6

We've been running ipv6 for a year or so now, but some of our newer instances (all on an ESX cluster) are not working. It looks like it's all of our Centos 6 instances. I'm hoping someone can point me in the right direction... tshark indicates that it's neighbor discovery that's failing:

Re: [CentOS] IPv6 on Centos 6

On Fri, Aug 10, 2012 at 05:24:12PM -0700, Alan Batie wrote: IPV6_DEFROUTE=yes Not sure where you get that from. Instead try adding IPV6_DEFAULTDEV=eth0 to /etc/sysconfig/network FWIW you can see the current routing table with ip -6 route. -- rgds Stephen

Re: [CentOS] IPv6 on Centos 6

On 8/10/12 5:50 PM, Stephen Harris wrote: On Fri, Aug 10, 2012 at 05:24:12PM -0700, Alan Batie wrote: IPV6_DEFROUTE=yes Not sure where you get that from. That's not something normally in our configs, I think it was in the default config the centos 6 installer created, and I only stripped out

[CentOS] IPv6 routing failure on CentOS5

I can't get IPv6 routing to configure correctly despite everything I've read saying it should This is my network config on a fully-updated CentOS 5.8 system: # cat /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=yes HOSTNAME=my.hostname.com GATEWAY=aaa.bbb.ccc.ddd

Re: [CentOS] IPv6 routing failure on CentOS5

Nevermind. I copied my ISP's line verbatim, including the erroneous /112 mask. On Friday, March 30, 2012 1:27pm, Steve Snyder swsny...@snydernet.net said: I can't get IPv6 routing to configure correctly despite everything I've read saying it should This is my network config on a

[CentOS] IPv6 IPsec on cenots5 and centos6

Hello, I have a couple of centos5 hosts at various offices connected with ipsec by ipsec-tools (racoon). It's a relatively straightforward configuration on ipv4, however I can't find any information how and even if it works in the same way with ipv6. What I've found is some references that

[CentOS] ipv6 day

hi, The ipv6 day[1] is now in full swing across the world. Are your CentOS machines taking part ? serving content ? Are you seeing anything interesting or strange on your CentOS machines as a fall out ? 1]: http://www.worldipv6day.org/ - KB ___

Re: [CentOS] ipv6 day

Hi, my (german) blog has been running dual-stack for the past few days. Native of course. See http://blog.horrendum.de, if anyone speaks german. :) -- Gruß/Regards, Daniel Heitmann gpg id: B251006E | ascii: http://horrendum.de/gpg.asc | twitter: @dictvm Proprietary attachments instantly go to

Re: [CentOS] ipv6 to ipv4 tunnel private replies requested

Dne 11.5.2011 2:15, David Mehler napsal(a): Hello, I am afraid a comment in my last message was misinterpreted. I previously had this configuration, linux and ipv6 tunnel through a tunnel broker. It was on a Ubuntu 9.10 box that a friend of mine set up. That box has been retired and replaced

[CentOS] ipv6 to ipv4 tunnel private replies requested

Hello, Is anyone using an ipv6 to ipv4 tunnel? I've got one through Hurricane Electric http://www.tunnelbroker.net and am having an extremely difficult time getting it to work. If anyone has this going i'd appreciate hearing from you offlist and please have Ubuntu experience if possible. Thanks.

Re: [CentOS] ipv6 to ipv4 tunnel private replies requested

Yes, We are using one to HE and one to SIXXS. We don't rely on any of the standard redhat config stuff - we do it all thru our own configs. Been working great. On 05/10/2011 11:17 AM, David Mehler wrote: Hello, Is anyone using an ipv6 to ipv4 tunnel? I've got one through Hurricane

Re: [CentOS] ipv6 to ipv4 tunnel private replies requested

On Tue, May 10, 2011 at 4:17 PM, David Mehler dave.meh...@gmail.com wrote: appreciate hearing from you offlist and please have Ubuntu experience No wonder you can't manage to get it working, you couldn't even post to the right list. ___ CentOS mailing

Re: [CentOS] ipv6 to ipv4 tunnel private replies requested

Hello, I am afraid a comment in my last message was misinterpreted. I previously had this configuration, linux and ipv6 tunnel through a tunnel broker. It was on a Ubuntu 9.10 box that a friend of mine set up. That box has been retired and replaced with CentOS 5.6. I am now trying to get the

Re: [CentOS] IPV6 - request for info

On Fri, 2011-03-18 at 08:18 +0530, Rajagopal Swaminathan wrote: Greetings, I am trying to wrap my head around on this topic. Was wondering : Just as there is some scope for mapping ipv4 directly into IPV6 space, Is there a MAC ID or some kind of WWID has also been taken into consideration?

[CentOS] IPV6 - request for info

Greetings, I am trying to wrap my head around on this topic. Was wondering : Just as there is some scope for mapping ipv4 directly into IPV6 space, Is there a MAC ID or some kind of WWID has also been taken into consideration? Regards, Rajagopal ___

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On 11/01/11 21:12, Blake Hudson wrote: Original Message Subject: [CentOS] IPv6, HE tunnel and ip6tables problems From: Stephen Harris li...@spuddy.org To: CentOS mailing list centos@centos.org Date: Tuesday, January 11, 2011 1:09:25 PM CentOS 5.5, fully patched. I

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On Thu, Jan 13, 2011 at 7:58 AM, David Sommerseth d...@users.sourceforge.net wrote: My experiences is that IPv6 in CentOS5 works very well, but is not optimal due to lack of stateful firewalling.  However, I'm certain that is solved in CentOS6/RHEL6. I will second that I have had no problems

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On Thu, Jan 13, 2011 at 01:58:41PM +0100, David Sommerseth wrote: My experiences is that IPv6 in CentOS5 works very well, but is not optimal due to lack of stateful firewalling. However, I'm certain that is solved in CentOS6/RHEL6. As it so happens, I managed to test out a RedHat 6 build this

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On Thu, Jan 13, 2011 at 08:24:33AM -0500, Ryan Wagoner wrote: I will second that I have had no problems using applications with IPv6 on CentOS 5.5. I currently have apache and samba3x bound to IPv6. I am also using named and dhcpv6. My only gripe is that dhcpv6 is not the current ISC daemon

[CentOS] IPv6, HE tunnel and ip6tables problems

CentOS 5.5, fully patched. I have a HE tunnel (tunnelbroker.net) IPv6 tunnel. This works pretty well and is simple to setup. Everything works fine. Until I try to set up an ip6tables firewall. eg if I try to view https://dnssec.surfnet.nl/?p=464 then the page never displays and the firewall

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

Original Message Subject: [CentOS] IPv6, HE tunnel and ip6tables problems From: Stephen Harris li...@spuddy.org To: CentOS mailing list centos@centos.org Date: Tuesday, January 11, 2011 1:09:25 PM CentOS 5.5, fully patched. I have a HE tunnel (tunnelbroker.net) IPv6 tunnel

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On Tue, Jan 11, 2011 at 02:12:15PM -0600, Blake Hudson wrote: From: Stephen Harris li...@spuddy.org I have a HE tunnel (tunnelbroker.net) IPv6 tunnel. This works pretty well and is simple to setup. Everything works fine. Until I try to set up an ip6tables firewall. I have been

Re: [CentOS] IPv6, HE tunnel and ip6tables problems

On Tue, Jan 11, 2011 at 3:12 PM, Blake Hudson bl...@ispn.net wrote: I have been waiting for RHEL6/CentOS6 because, as I understand it, CentOS5 does not have a statefull IP6 firewall - e.g. incoming traffic would have to have a default ACCEPT policy or only specific applications allowed (based

[CentOS] Ipv6 addr with Vlan-Id - unable to ping neighbour

Hi All, If I have a vlan-Id on an interface with an ipv6 address, then I am unable to ping a real router. The problem is that the Neighbour Solicitation originated from the Centos machine is missing the Vlan-Id in the packet. Therefore a real router will drop such a packet. I have tried this

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