Testing NSM with IPv6 payloads

[edwarnicke]

Overview

NSM is architecturally designed to carry payloads including IPv6. Currently, we do not have testing of that. Please add icmp and vpn test cases using Ipv6 payloads.

[rdimitrov]

Wanted to share an update about the current status 👍

After enabling the use case testing with IPv6 in #962, faced an issue where the IPv6 support is disabled inside both the client and NSE containers.
This causes a failure when the dataplane starts to inject the interfaces due to a "permission denied" error. There's a similar issue explaining what happens in detail - containernetworking/cni#531

After discussing this with @nickolaev, he opened an issue against vpp-agent describing the problem and suggesting a way to fix it - ligato/vpp-agent#1308

I assume for the time being we can consider the issue as blocked until the issue on the vpp-agent side is resolved. I'll share a comment about that in the PR as well.

[edwarnicke]

@ondrej-fabry Could you have a look at ligato/vpp-agent#1308 ? Would be good to get a fix sooner rather than later :)

[ondrej-fabry]

@edwarnicke lookin at it :) will ping you when ready

EDIT: fixed in ligato/vpp-agent#1317

[edwarnicke]

@rdimitrov Has this issue been resolved?

[rdimitrov]

@edwarnicke It is resolved, yes 👍 Apologies for not updating the issue, somehow it got forgotten...

[nickolaev]

#962 fixes this