3Com 4500G Family Configuration Manual page 220

Features
UDP Helper
IPv6 Basics
Dual Stack
sFlow
UDP Helper functions as a relay agent that converts UDP broadcast
packets into unicast packets and forwards them to a specified server. This
document describes:
UDP Helper overview
UDP Helper configuration
Internet protocol version 6 (IPv6), also called IP next generation (IPng),
was designed by the Internet Engineering Task Force (IETF) as the
successor to Internet protocol version 4 (IPv4). This document describes:
IPv6 overview
Basic IPv6 functions configuration
IPv6 NDP configuration
PMTU discovery configuration
IPv6 TCP properties configuration
ICMPv6 packet sending configuration
IPv6 DNS Client configuration
A network node that supports both IPv4 and IPv6 is called a dual stack
node. A dual stack node configured with an IPv4 address and an IPv6
address can have both IPv4 and IPv6 packets transmitted. This document
describes:
Dual stack overview
Dual stack configuration
Based on packet sampling, Sampled Flow (sFlow) is a traffic monitoring
technology mainly used to collect and analyze traffic statistics. This
document describes:
sFlow Overview
sFlow Configuration
Description