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Chapter 12 - Maintenance Tasks

Introduction

Domain Name Settings

Select a host ID
Specify a hostname
Specify a default domain name
Manage name servers

Host ID

Interface-The name of the interface with which the address is associated.
Slot-The number of the slot in which the interface's LAN card is installed. No slot number is displayed for the VINES interface.
IP address-The IP address of the interface, which you set when you managed the network interfaces.

Hostname

nsrv1.compdept.coll.univ.univnet

Default Domain Name

compdept.coll.univ.univnet

Name Servers

The server's host ID, or IP address
The server's hostname

The name server's IP address
The name server's hostname

The server's host ID, or IP address
The server's hostname
The server's default domain name
The number of defined name servers

Backing Up the Configuration File

Controlling TCP/IP

Enable and Disable Interfaces - This function can be useful when, for example, you have to remove the card that the LAN interface uses, and you want the interface to be disabled while the maintenance operation is performed. Chapter 8 provides more information.

Enable and Disable ARP - This function can be useful when, for example, no other hosts on a LAN support ARP, and you want to disable ARP requests from an IP interface so that unnecessary traffic is not generated. Chapter 8 provides more information.

Enable and Disable Directed Broadcasts - You may want to disable directed broadcasts if your server has been receiving an inordinate number of broadcast packets destined for IP networks directly connected to your server. Chapter 9 provides more information.

Obtaining Information on TCP/IP

The TCP/IP configuration, through the TCP/IP configuration program. For example, you may need this information when you need to give another network manager IP addresses assigned to your server's interfaces.
TCP/IP activity, through MNET. See Monitoring and Optimizing Servers for more information.

Modifying the TCP/IP Configuration

1. Once the card is installed and configured in the new slot, add a new interface for the card. Re-enter the same information, such as IP address and subnetwork mask, that is associated with the old interface.

2. Re-enter any ARP entries, specific routes, and direct routes associated with the interface. Use the same information that is associated with the old ARP entries, specific routes, and direct routes.

3. Delete the old interface.

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