Questions tagged [ipv6]
For questions about Internet Protocol version 6 (IPv6); as specified in RFC 8200.
16
questions with no upvoted or accepted answers
7
votes
1answer
773 views
How to break apart an IPv6 /56 6rd delegated prefix from ISP into multiple /64 VLANs for use with SLAAC EUI-64? [Cisco]
I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the ...
5
votes
0answers
831 views
Juniper SRX IPv6-PD update-router-advertisement issues
I'm trying to get some sweet prefix delegation working on my SRX. My provider offers DHCPv6-PD and gives out /56 addresses. I have done setups using cisco routers and am trying to replicate it onto a ...
4
votes
0answers
56 views
PVLANs/Port isolation in IPv6 networks
We're currently using port isolation to prevent communication between computers on the same vlan and use client isolation on our guest wifi. The reason for having this enabled is to prevent unwanted ...
4
votes
0answers
512 views
HSRP IPv6 configuration
Looking at the Cisco documentation for HSRP IPv6 configuration I noticed the use of 'standby 1 ipv6 autoconfig'.
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 2020:...
2
votes
0answers
52 views
RPL: questions on routing mechanism
I'm studying RPL and two questions came to my mind:
1: Both in storing and non-storing modes, if a node wants to send a packet to another node via P2P communication paradigm, then how does the ...
2
votes
0answers
176 views
How is the source link-layer address in IPv6 router solicitation(RS) messages used?
When I analyze the router solicitation(RS) messages, then they contain the MAC address of the sending host. How does the router use this MAC address seen in ICMPv6 message? Does it simply use it as a ...
1
vote
0answers
48 views
Why is an IPv6 interface required to have a link-local address?
According to Link-local address on Wikipedia:
In IPv4, link-local addresses are normally only used when no external, stateful mechanism of address configuration exists, such as the Dynamic Host ...
1
vote
0answers
24 views
Can a Neighbor Advertisement response packet trigger the transition from STALE to DELAY?
I think the title is pretty descriptive.
I cannot seem to find anything in the standard about what kind of packets could trigger the transition from the state STALE to the state DELAY, in the ...
1
vote
0answers
66 views
Using IPv6 6in4 tunnel with multiple VLANs, or LAN Interfaces?
I have a pfSense router, and I've setup a Hurricane 6in4 IPv6 tunnel by following this guide:
http://thirdinternet.com/wp-content/uploads/2017/11/Configure-6in4-Tunnel-in-pfSense.pdf
It all seems to ...
1
vote
0answers
99 views
Can I run IPV6 L3VPN over MP-BGP IPV6?
I am looking for information about how to implement IPV6 L3VPN over MP-BGP IPV6 but i can see only IPV6 L3VPN over MP-BGP IPV4 (dual stack).
When I implement ipv6 l3vpn over mp-bgp ipv4, I activate ...
1
vote
0answers
214 views
Subnet delegated prefix on SRX
I configured a Juniper SRX firewall to receive IPv6 prefix from upstream router:
family inet6 {
dhcpv6-client {
client-type statefull;
client-ia-...
0
votes
0answers
30 views
Distance Command in OSPFv3
Does anyone know if there is a way to specify the distance of a specific neighbor in OSPFv3 in a Cisco router/switch? You seem to be able to do it for an entire area, but not for a specific neighbor ...
0
votes
0answers
38 views
IPv6 - link-locals mess
I am implementing IPv6 in my network and for now I have my own routable IPv6 /48 block, Cisco routers, Cisco switches, OSPF between them and several hosts. Its all working fine, but there is something ...
0
votes
0answers
18 views
ipv6 connectivity and ESx
what does it mean of "Verify that the network infrastructure provides IPv6 connectivity for the ESXi hosts, vCenter Server and external database if used" ?
to install ipv6-only ESx environment, what ...
0
votes
0answers
62 views
OPNsense and IPv6
I've got two servers hosted at online.net. They give away 1 free /48 subnet per user and configure them using DUIDs.
I'm using OPNsense as an VM (in combination with Proxmox) on each server to handle ...
0
votes
1answer
204 views
Fortigate and ipv6 routing
I have a Fortigate router and my ISP support ipv6. I'm getting a public ipv6 on the Fortigate and also on the computers on the lan (2a02:a18:9041....)
I have not to much understanding of ipv6, but by ...
