Specifications

Contents
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Changing the Time Limit....................................................................................8-10
Changing the Retry Limit...................................................................................8-11
Changing the Name Resolution Mode .............................................................8-11
Configuring a List of Commonly Used Internet Hosts..................................8-12
Configuring a List of Internet Name Servers...................................................8-12
Assigning DNS Server Addresses Automatically...........................................8-14
Configuring a List of Internet Gateway Addresses................................................8-15
Introduction..........................................................................................................8-15
Displaying a List of Gateway Addresses..........................................................8-15
Configuring a Default Gateway.........................................................................8-15
Defining Networks Available Through a Specific Gateway..........................8-15
Defining Subnets Available Through a Specific Gateway..............................8-16
Defining Hosts Available Through a Specific Gateway..................................8-16
Configuring a List of Internet ARP Entries .............................................................8-17
Introduction..........................................................................................................8-17
Displaying the List of Internet ARP Entries.....................................................8-17
Defining an ARP Entry........................................................................................8-17
Setting the TCP Keepalive Timer..............................................................................8-18
What the Timer Does...........................................................................................8-18
Setting the Timer..................................................................................................8-18
Disabling the Timer .............................................................................................8-18
Setting Timer Retries............................................................................................8-19
Displaying Timer Characteristics.......................................................................8-19
Displaying the Internet Counters .............................................................................8-20
Using the SHOW Command..............................................................................8-20
Internet Counters Display Example..................................................................8-20
Internet Counter Display Fields.........................................................................8-21
Learning IP Information From a BOOTP Server ....................................................8-23
Introduction..........................................................................................................8-23
BOOTP Server Configuration.............................................................................8-23
Learning Operation..............................................................................................8-23
Setting Up IP Configuration Learning..............................................................8-24
Learning IP Information From a DHCP Server......................................................8-25
Description............................................................................................................8-25
BOOTP and DHCP Differences..........................................................................8-26
DHCP Client Operation......................................................................................8-26
DHCP Proxy Operation ......................................................................................8-27
Enabling and Disabling DHCP..........................................................................8-28
Displaying the DHCP Setting.............................................................................8-29
Configuring Default Values................................................................................8-29
Overriding DHCP-Learned Values ...................................................................8-29
Assigning WINS Server Addresses..........................................................................8-30
What Does WINS Do?.........................................................................................8-30
What Is WINS Autoconfigure?...........................................................................8-30
Operation ..............................................................................................................8-30
Assigning WINS Addresses................................................................................8-31
Displaying WINS Characteristics......................................................................8-31