T ODAY TCP/IP T ROUBLESHOOTING U TILITIES E XAM R EVIEW L AB 11: C ONFIGURE DNS

N ETSTAT Can be used to determine network problems such as excessive broadcasts

N ETSTAT - A Displays a list of services, port addresses, and type of packet sent (TCP or UDP)

N BTSTAT - N Displays NetBIOS over TCP Statistics including computer and workgroup names

P ING Sends a packet from one host ot another on a network and then echoes the return Reply

P ING -6 Used in Vista and Windows forces the command to use the IPv6 address

T RACERT Sends a packet to a destination host, gathers statistics and information to be displayed Who owns the site domain, IP address Geographic location

A DDRESS R ESOLUTION P ROTOCOL (ARP) Used to map the host MAC address to the logical host IP address Protocol in TCP/IP suite ARP must know computer’s IP address Reverse Address Resolution Protocol (RARP) Reverse Address Resolution Protocol (RARP) serves opposite function of ARP – used to find the MAC address o the host when the IP address is known.

A RP - A Lists IP address resolved to MAC addresses

N SLOOKUP Used to query domain servers when seeking information about domain names and IP address

T EST 3 R EVIEW Know the difference between IPv4 and IPv6 Know the types of IPv6 unicast addresses and routing Understand 6to4 technology Know the correct loopback addresses for IPv4/6 Know the various subnet classes Understand DNS, DHCP, WINS, Know what ICAAN organization is responsible for Understand the process of Ethernet frame delivery Understand UDP frame contents Understand IP address assignment Understand ARP Know the various troubleshooting utility commands Understand APIPA, RARP,

I N CLASS LAB 10 &11 Roberts 53 and 54 N EXT C LASS October 16 th, 2013 Test 3