Questions tagged [ipv6]
For questions about Internet Protocol version 6 (IPv6); as specified in RFC 8200.
14
questions with no upvoted or accepted answers
7
votes
1answer
967 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
866 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
78 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
644 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
56 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
191 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
28 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
73 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
101 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
225 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
29 views
ECT Marked ICMP Responses
For ongoing research I'm conducting, I'm measuring the modification of ECT fields of the IPv[46] header. To do this I'm relying on ICMP quotations to inspect what packets 'look like' as they traverse ...
0
votes
2answers
80 views
Why cant't IPSec's Transport Mode ESP be used in NAT64 although ESP doesn't sign the new IP header?
In RFC6146 stated:
Any protocols that protect IP header are incompatible with NAT64. This
implies that end-to-end IPsec verification will fail when the
Authentication Header (AH) is used (both ...
0
votes
0answers
44 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
1answer
650 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 ...
