L3_IPv6

• Basic

• Compare with v4

  • Types & Scopes

• LAN

• NPTv6

• NAT64

• Tools

  • Linux

• Firewall

• Free IPv6 Tunnel Broker

Basic

https://en.wikipedia.org/wiki/IPv6_address#Representation

• 16 bits * 8 groups = 128 bits

• prefer lower case letters

• https://[IPv6_addr]:PORT/

• Link Local - fe80::/10.../64 : last 24 bits are MAC address

• Layer 3

Compare with v4

https://www.ibm.com/docs/en/i/7.2?topic=6-comparison-ipv4-ipv6

Types & Scopes

• unicast: link-local and global

• multicast: 14 scopes

• anycast

LAN

::/128
::1/128
::ffff:0:0:0/96
64:ff9b::/96
100::/64
2001::/32
2001:20::/28
2001:db8::/32
2002::/16
fc00::/7 | IP Range: fc00:: - fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
fe80::/10
ff00::/8

NPTv6

Network Prefix Translation： https://en.wikipedia.org/wiki/IPv6-to-IPv6_Network_Prefix_Translation

NAT64

https://en.wikipedia.org/wiki/NAT64

Tools

Linux

tcpdump -i any ip6

https://www.kali.org/tools/ipv6toolkit/

apt install ipv6toolkit

Firewall

ChinaNet Modem: 安全-防火墙：IPV6 SESSION

Free IPv6 Tunnel Broker

https://tunnelbroker.net/