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Questions tagged [ndp]

The Neighbor Discovery Protocol (NDP, ND) is a protocol in the Internet protocol suite used with Internet Protocol Version 6 (IPv6) responsible for locating hosts and routers on a link.

The Neighbor Discovery Protocol (NDP, ND) is a protocol in the Internet protocol suite used with Internet Protocol Version 6 (IPv6) responsible for locating hosts and routers on a link.

Source

https://en.wikipedia.org/wiki/Neighbor_Discovery_Protocol

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Using global unicast address as source for neighbor solicitation messages

Why do neighbor solicitation messages only use the link local address as source? What would be the advantages and disadvantages of using the global unicast address instead?
devoidofevil
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Proxmox KVM IPv6 Routed not working

I got a /48 v6 assigned by my Provider with a dedicated server, on which I did install Proxmox 5. My Issue is, that the dhcpdv6 should assign the VM a fixed ip, but it does not get the IP assigned. I also deployed a ndpd. My current network config…
Ne00n
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Proxy NDP, intermittent Address Unreach

I've configured NDP proxying on my Digital Ocean droplet to allow containers to obtain public IPv6 addresses. It seems to work, but occasionally I'll get Destination Unreachable (Address Unreachable) errors. It seems that while this occurs the…
Isabell Cowan
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IPv6 interface not responding to neighbor solicitations, DHCP involved too

ip addr shows: 2: eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 02:6d:5e:86:29:49 brd ff:ff:ff:ff:ff:ff inet X.X.X.X/24 brd X.X.X.255 scope global eth0 valid_lft…
Isvara
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IPv6: I'm confused about addresses

I'm starting studying IPv6 and I'm having some troubles understanding some aspects. Let's clarify if I'm getting this right! A single host may have: - a unicast global address - a link local address Then it joins multicast groups, solicited node…
Umberto Manferdini
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Debian Wheezy doesn't answer to ICMPv6 neighbor solicitations

Hello, there. I manage some Wheezy servers with IPv6 enabled on all of them. They all have a global IPv6 /64 block using the first address in the block as the primary, i.e.: root@Host /h/david# ifconfig eth0 Link encap:Ethernet HWaddr…
Penegal
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ipv6 : why ndp resolves to global scope address?

I'm facing a strange ipv6 behavior and I don't know how to solve it because I'm not familiar with ipv6. Maybe this behavior is normal. I hope that you will help me. ( I'm running under debian 6.0.9 with a custom kernel 3.2.58 ) machine A is…
Julien
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OVH IPv6 on ESXi -> pfSense -> VM setup

Currently setting up some VMs on an ESXi host on an OVH machine. I have two IPv4s on OVH including a virtual MAC address as needed by OVH. One IPv4 for the ESXi host itself, another one for the pfSense VM. IPv4 works great now on all the VMs using…
Maximilian Krause
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How do I configure IPv6 via WireGuard?

I rented a VDS in order to set up WireGuard VPN on it and distribute all VPN clients /64 IPv6 subnets. From the hosting I originally got the address 2a0c:xxx:yyy::1/32. Here are the configurations of the network interfaces that I set up: ❯ ip a 2:…
async await
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How to configure DHCPv6 in Proxmox without bridge?

(crosspost: Network stack exchange) I have a setup with Proxmox connected via WiFi. Everything works for my needs and IPv4 connectivity too. Now, I want to see if it is possible to do some DHCPv6 setup so that my virtual machines have IPv6 addresses…
Paul Stelian
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Force IPv6 NS source to be global instead of link

In summary, how can I force an interface to use the global IPv6 address as the source for neighbor solicitation messages rather than the link address? Background: Many VPS providers do not allocate a routed IPv6 /64 but merely assign a block on a…
tater
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