The router advertisement daemon (radvd) is run by Linux or BSD systems acting as IPv6 routers. It sends Router Advertisement messages, specified by RFC 2461, to a local Ethernet LAN periodically and when requested by a node sending a Router Solicitation message. These messages are required for IPv6 ...

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Router Advertisement loopback

I have a machine acting as a router. To send out router advertisements it is running radvd. IPv6 enabled. When an interface is enabled (e.g. a link-local address is set) radvd will sent to all nodes ...
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185 views

Native IPv6: routing between eth0 and eth1

I humbly ask for your assistance with the problem I can't resolve myself. I have a native IPv6 link with 2001:db8:14::/48 assigned. I'm running Slackware on 3.2.50-grsec kernel. My ISP's side (my ...
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1answer
109 views

IPv6: using a link mtu greater than the mtu of the default route

When configuring an IPv6 LAN it may be desirable to use router advertisements to announce a link MTU of either the standard 1500 bytes or something larger to enable usage of jumbo frames, perhaps ...
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Is there any way to programmatically add prefixes to radvd without writing to radvd.conf and restarting it?

I need to create prefix entries on demand to configure a quite large IPv6 net. What I'm doing now is: stop radvd write to radvd.conf restarting radvd But this is quite painful. I wonder if there ...
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Why is my domain controller causing my router to send advertisements for Unique Local Addresses?

I'm currently evaluating Server 2012 to serve as a domain controller in a small heterogeneous network of Linux and Windows workstations and servers, all of which would eventually be joined to the ...
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1answer
899 views

Advertise a subnet route with radvd

we have set up a small IPv6 Testing network. The setup looks like this: ::/0 +----------+ | Firewall | Router to the public net +----------+ | 2001:...::/106 | ...
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3answers
2k views

IPv6 hosts configure default route with router's link-local address

I have recently added IPv6 to our network as per the instructions at http://www.chronos-tachyon.net/reference/debian-ipv6-and-hurricane-electric. However, the hosts on the network automatically ...
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795 views

KVM virtual machines cannot reach IPv6 web sites

I have a freshly installed Windows Server 2008 R2 SP1 virtual machine which is completely unable to reach any IPv6 web pages, despite apparently having proper IPv6 connectivity. In addition, other ...
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539 views

Vyatta 6.2 IPv6 DNS handout

I have a Vyatta server which I have connected to Hurricane Electric. I have setup the RADVD on the box and my LAN clients get a public global IPv6 address and route through the Vyatta box. Where do I ...
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263 views

Multiple IPv6 routers in a local network

I'm setting up some servers that will run virtual machines using IPv6. The network topology is something like this, where the br0 interfaces are virtual: 2001:db8:fedc:aaaa::/64 ...
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How to configure radvd, dhcpd6, routing and /64 subnet based on delegated prefix by DHCPv6-PD server?

My ISP has just started IPv4/IPv6 dual stack service. In order to connect IPv4/IPv6 internet, almost all users usually use a CPE leased by the ISP. But I want to use my Linux router instead of such ...
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How to remove autoconfigured IPv6 Addresses in Windows 7/2008?

I'm in the process of exploring IPv6 deployment in my network. I've changed the advertised subnet and now my windows PCs have IPs from the new and the old network. I was able to reset the adapter by ...
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719 views

Why use DHCPv6 over Stateless Address Autoconfiguration?

IPv6 and RFC 2462 provide a means for hosts to configure their own IP addresses via stateless address autoconfiguration. To me this seems like the bee's knees, and it leaves me wondering why someone ...
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1answer
186 views

Create router in Debian passing along ipv6 if available

I need to create a router that will make ipv6 available to downstream users if it is available. I have encountered two problems using the "naive" approach: 1) I am receiving a /64 address from ...
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2answers
2k views

OpenVPN IPV6 Tunnel Radvd

I have an interesting question regarding ipv6 + openvpn.. My Version is OpenVPN 2.1.1 i have been given 2 native /64 ipv6 networks ( Block1 -> 2a01:abc:123:deac::/64 ) ( Block2 -> ...
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3answers
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Can a Linux router autoconfigure IPv6 if radvd is running on the same host?

I have a linux gateway router running a 6to4 tunnel and using radvd to broadcast an IPv6 prefix on the local subnet. Radvd can be configured to automatically pick up the network prefix from the 6to4 ...