Enterasys Networks CSX7000 Uživatelský manuál stáhnout pdf (Strana 140)

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101

USER’S GUIDE

140 CyberSWITCH

The following table provides the possible choices for IP RIP v2 authentication control

* This is the default switch.

IP RIP

V2 AUTHENTICATION KEY

If IP RIP is enabled for a specific interface, this key is required if the following condition has been

met: the “IP RIP v2 Authentication Control” has been configured with a value other than “No

Authentication.” The authentication key is a user-defined password, 1-16 characters in length.

IP RIP H

OST ROUTES PROPAGATION SCHEME

If RIP is enabled for a WAN interface, this is required. This controls how the IP RIP packets will be

propagated. The default value is “Host Routes Propagation is currently DISABLED.” With the

default, WAN local routes are propagated as subnetwork routes. If Host routes propagation is

enabled, host routes will be propagated on other network interfaces only while each remote IP

device is connected to the CyberSWITCH.

When the IP RIP host propagation scheme is enabled, it will allow multiple systems on the same

LAN to work properly. IP RIP information is then advertised as multiple host routes as they

connect to the CyberSWITCH.

For more information, refer to the diagrams and explanation provided on WAN interfaces

beginning on page 145.

IP NETWORK INTERFACE BACKGROUND INFORMATION

Network Interface is a term used to represent the physical connection of the system to a data

network. For example, the Ethernet resource provides a network interface to an Ethernet LAN. The

ISDN lines provide network interfaces to multiple remote networks. Because of their switched

nature, the ISDN lines provide virtual network interfaces. That is, the same physical ISDN line can

actually connect to different remote networks by dialing a different phone number.

A bridge device refers to its network interfaces as ports. It simply forwards packets from one port

to another without looking at the network protocol information. A typical ISDN bridge has one

Ethernet port and one ISDN port.

In a network that uses the IP protocol for communication, a flexible network interface structure can

be implemented. An IP network uses the IP network address as a basis for device communication.

IP networks can be segmented into a hierarchical structure by using the subnet addressing

provided by the IP protocol. IP hosts can be assigned to a specific subnet based on management

and user needs. All IP hosts connected to a virtual or physical subnet must have the same subnet

address.

Type Meaning

No Authentication * This control type indicates that IP RIP v1 and

unauthenticated IP RIP v2 messages are accepted.

Simple Password This control type indicates that IP RIP v1 messages

and IP RIP v2 messages which pass authentication

test are accepted. The authentication test is done

using a simple password.

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