U

UDP protocol

description, Transport Layer

displaying statistics, How to Display Statistics by Protocol

services in /etc/inet/services file, services Database

UDP packet process, Transport Layer: Where Data Encapsulation Begins

UltraSPARC T2 processor, using with IKE, Configuring IKE to Find Attached Hardware (Task Map)

unicast datagram routing, Mobile IP, Unicast Datagram Routing

uniform resource indicator (URI), for accessing CRLs, How to Handle a Certificate Revocation List

UNIX “r” commands, Application Layer

unusable DHCP address

Working With IP Addresses in the DHCP Service (Task Map)

Removing IP Addresses From the DHCP Service

use_http keyword, IKE configuration file, How to Handle a Certificate Revocation List

user priority value, Marker (dscpmk and dlcosmk) Overview

/usr/sbin/6to4relay command, How to Configure a 6to4 Tunnel to a 6to4 Relay Router

/usr/sbin/in.rdisc program, description, ICMP Router Discovery (RDISC) Protocol

/usr/sbin/in.routed daemon

description, Routing Information Protocol (RIP)

space-saving mode, Routing Information Protocol (RIP)

/usr/sbin/inetd daemon

checking the status of inetd, How to Perform Basic Network Software Checking

services started by, Monitoring and Modifying Transport Layer Services

/usr/sbin/ping command, How to Determine if a Host Is Dropping Packets

description, Probing Remote Hosts With the ping Command

running, How to Determine if a Host Is Dropping Packets

syntax

Probing Remote Hosts With the ping Command

Probing Remote Hosts With the ping Command