Cisco NM-16ESW - EtherSwitch Switch Instrukcja Użytkownika Pobierz pdf (Strona 71)

Configuring the Cisco Gigabit EtherSwitch EHWIC

How to Configure Gigabit EtherSwitch EHWICs

Configuring the Cisco Gigabit EtherSwitch EHWIC

OL-23155-01

DETAILED STEPS

Caution If you are removing the IP address through a telnet session, your connection to the switch will be lost.

Specifying a Domain Name and Configuring the DNS

Each unique IP address can have a host name associated with it. The Cisco IOS software maintains an

EC mode, and related Telnet support operations. This cache speeds the process of converting names to

addresses.

IP defines a hierarchical naming scheme that allows a device to be identified by its location or domain.

Domain names are pieced together with periods (.) as the delimiting characters. For example,

Cisco Systems, Inc. is a commercial organization that IP identifies by a com domain name, so its domain

name is cisco.com. A specific device in this domain, the FTP system, for example, is identified as

ftp.cisco.com.

To track domain names, IP has defined the concept of a domain name server (DNS), the purpose of which

is to hold a cache (or database) of names mapped to IP addresses. To map domain names to IP addresses,

you must first identify the host names and then specify a name server and enable the DNS, the Internet

global naming scheme that uniquely identifies network devices.

Specifying the Domain Name

You can specify a default domain name that the software uses to complete domain name requests. You

can specify either a single domain name or a list of domain names. When you specify a domain name,

any IP host name without a domain name has that domain name appended to it before being added to the

host table.

Specifying a Name Server

You can specify up to six hosts that can function as a name server to supply name information for the

DNS.

Command Purpose

Step 1

interface vlan vlan-id

Example:

Router(config)#interface vlan 1

Enters interface configuration mode, and enters the VLAN to

which the IP information is assigned.

VLAN 1 is the management VLAN, but you can configure any

VLAN from IDs 1 to 1001.

Step 2

no ip address

Example:

Router(config-subif)#no ip address

Removes the IP address and subnet mask.

Step 3

end

Example:

Router(config-subif)#end

Returns to privileged EXEC mode.

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