Questions tagged [dhcpv6]

DHCPv6 is similar to classic DHCP as known and very common for IPv4. Since IPv6 features stateless auto configuration (SLAAC), DHCPv6 is less widespread than DHCP for IPv4.

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Windows Server 2012 Local DHCPv6 Stateful & Public Stateless?

I want my LAN to have static IPv6 ULAs from the server's DHCP6, and global IPv6 as well. So it'd look something like this: Server IPv6 Address. . . . . . . . . . . : 2601::1 (public auto) IPv6 Address. . . . . . . . . . . : fc00:5::1 …
Marc05
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Why are ipv6 dhcp leases also given also to static interfaces?

I'm playing with Windows 2012 DHCP server for IPv6. As with IPv4, the client network interfaces can be configured to either obtain an IPv6 address automatically, or use a statically configured address. However, what I observe is that even for those…
Hagen von Eitzen
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Server 2012 Obtaining DHCPv6 Address, but has static configuration

This is very similar to the problem I had with 2008R2 (Win2k8R2 Obtaining DHCPv6 address, but has static configuration), but that solution doesn't work with 2012R2. The box is a new 2012R2 domain controller, with a teamed interface to our LAN (where…
fukawi2
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Configure DHCPv6 on a Layer 3 Switch

I am training under Packet Tracer and I would like to be able to assign IPv6 addresses to my VLANs using a Layer 3 Switch as a DHCPv6 server (Between Layer 3 Switch and PCs there is a normal Switch). I tried Stateless and Statefull but it seems that…
spergynerd
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Windows DHCP IOT retain same IP

I am trying to address a problem. We have a windows DHCP server and some devices, which we need to replace on needs. The device has a custom DHCP client which sends DHCP-DISCOVERY Packet with additional vendor-specific unique information,(It is…
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DHCPv6 Prefix Delegation IPv6 address assignment mechanism

When we run a DHCPv6 server with prefix delegation only (no range delegation at all). Like this: subnet6 2a02:5250:aaae:1005::0/64 { prefix6 2a02:5250:aaaf:1001:: 2a02:5250:aaaf:f500:: /64; } Will the CPE device assign an IPv6 address from the…
Aleksandr Makhov
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Routed IPv6 on internal bridge with virtualized OPNsense router

I'm struggling with adding IPv6 to the internal bridge of my setup, here is what I have: ┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────┐ │ …
Andreas Piening
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How does Windows DHCPv6 server prevent conflicts with other DHCPv6 servers?

With Windows DHCP server I can have two servers serving a network's scope so that if one fails the other picks up the slack. With DHCPv4 there are two options for doing this, the first is to set up a fail over relationship, the other is to set the…
Martin Brown
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Simple stateful DHCPv6 using ISC DHCP and RADVD. Doesnt work?

I'm trying to set a simple ipv6 network using ISC DHCPv6 on a linux machine. Here is my dhcpd6.conf: subnet6 beef:fade::/112 { max-lease-time 3600; range6 beef:fade::100 beef:fade::fffe; } The dhcpv6 server works and assigns addresses to…
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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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ISC Dhcpv6 pool

I recently set up a dhcpv6 server in my network. The problem is: I set the range of it to #VLAN120 subnet6 2001:470:2249:120::/64 { range6 2001:470:2249:120::20 2001:470:2249:120::250; option dhcp6.name-servers 2606:4700:4700::1111; …
Pakuss
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Does isc-dhcp-server-ldap work with DHCPv6?

I'm trying to add IPv6 to my network, which uses DHCPv4 with its data stored in an LDAP server. I'm using the Ubuntu module isc-dhcp-server-ldap v4.4.1 to configure the DHCPv4 server and I'm very pleased with it. I would like to configure my DHCPv6…
Stephen Winnall
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How to include vendor-specific option 17 suboptions 11, 12 and 13 in DHCPv6 solicit/request using dhclient

My request is to include option 17 sub-options 11, 12 and 13 in DHCPv6 solicit/request and I configured the same in dhclient6.conf on my Ubuntu as below. send dhcp6.vendor-opts…
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Modify RDNSS in Router Advertisements on Linux/pfsense/OpenWrt

I have a linux box that acts as a bridge behind my ISP's modem-router. The reason I need bridge mode is because the ISP router doesn't support IPv6 prefix delegation. If I use my additional linux box in bridge mode, this will naturally "forward"…
TJJ
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DHCPv6 (RFC 8415) - What are reasonable initial values for time intervals T1/T2?

As described in Section 18.2. - Client Behavior of DHCP - RFC 8415 a client uses the Solicit message to discover DHCP servers configured to assign leases or return other configuration parameters on the link to which the client is attached. As part…
goulashsoup
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