2-4
Features Description
DHCP Snooping
As a DHCP security feature, DHCP snooping can ensure DHCP clients to
obtain IP addresses from authorized DHCP servers and record IP-to-MAC
mappings of DHCP clients.This document describes:
z DHCP Snooping Overview
z Configuring DHCP Snooping Basic Functions
z Configuring DHCP Snooping to Support Option 82
BOOTP Client
After you specify an interface of a device as a BOOTP client, the interface
can use BOOTP to get information (such as IP address) from the BOOTP
server. This document describes:
z Introduction to BOOTP Client
z Configuring an Interface to Dynamically Obtain an IP Address Through
BOOTP
DNS
Used in the TCP/IP application, Domain Name System (DNS) is a
distributed database which provides the translation between domain name
and the IP address. This document describes:
z Configuring the DNS Client
z Configuring the DNS Proxy
IP Performance
Optimization
In some network environments, you need to adjust the IP parameters to
achieve best network performance. This document describes:
z Enabling Reception and Forwarding of Directed Broadcasts to a
Directly Connected Network
z Configuring TCP Attributes
z Configuring ICMP to Send Error Packets
UDP Helper
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:
z UDP Helper overview
z UDP Helper configuration
IPv6 Basics
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:
z IPv6 overview
z Basic IPv6 functions configuration
z IPv6 NDP configuration
z PMTU discovery configuration
z IPv6 TCP properties configuration
z ICMPv6 packet sending configuration
z IPv6 DNS Client configuration
Dual Stack
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:
z Dual stack overview
z Dual stack configuration
sFlow
Based on packet sampling, Sampled Flow (sFlow) is a traffic monitoring
technology mainly used to collect and analyze traffic statistics. This
document describes:
z sFlow Overview
z sFlow Configuration
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