[CSIT-32] IPv6 encaps softwire - Lightweight IPv4 over IPv6

[vvalderrv]

Description

Related RFC's:

- Dual-Stack Lite Broadband Deployments Following IPv4 Exhaustion - <a href="https://tools.ietf.org/html/rfc6333" class="external-link" target="_blank" rel="nofollow noopener">https://tools.ietf.org/html/rfc6333</a>
- Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture - <a href="https://tools.ietf.org/html/rfc7596" class="external-link" target="_blank" rel="nofollow noopener">https://tools.ietf.org/html/rfc7596</a>

VPP only supports lwAFTR.

In general, tests send IPv4 traffic in one side, observe correctly mapped IPv6 traffic on other side and vice versa.

Test suite contians following tests:

- Encapsulate IPv4 into IPv6. IPv6 dst depends on IPv4 and UDP destination - Encapsulate IPv4 ICMP into IPv6. IPv6 dst depends on IPv4 addr and ICMP ID - Decapsulate IPv4 UDP from IPv6. - Hairpinning of traffic between two lwB4

VPP IP configuration:

if1: IPv4 - 10.0.0.1/24

if2: IPv6 - 2001::1/64

VPP map domain:

IPv6 preffix: 2001:1::/64

IPv4 preffix: 20.0.0.1/32

IPv6 src: 2001:1::1

PSID Length: 8

PSID Offset: 6

VPP map rule #1:

PSID: 52

IPv6 dst: 2001:1::2

Port from rule range:1232

VPP map rule #2:

PSID: 22

IPv6 dst: 2001:1::3

Port from rule range: 6232

Assignee

Matej Klotton

Reporter

Jan Gelety

Comments

No comments.

Original issue: https://jira.fd.io/browse/CSIT-32