SendIP is a tool which allows creating (and, of course, sending) arbitrary IP (v4 and v6) packets. Packets may have essentially any set of IPv6/IPv4 headers in essentially any order. A wide variety of header types is supported, including almost all of the defined IPv6 extension headers.

This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/dcaratti/sendip/