Topcom Xplorer 870 User Manual

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Xplorer 870

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Parameters

Description

Default Value

VPI

Virtual path identifier

N/A

VCI

Virtual circuit identifier

N/A

Username

Username assigned or verified by your

N/A

service provider

Password

Password to allow login with your username

N/A

Encapsulation

The PPPoE or PPPoA mode support VCMUX

Mode

and LLC encapsulation mode which are
described as below.

LLC

This mode allows multiple protocol running

Default

over one virtual circuit with a little bit more
overhead

VCMUX

This mode allows only one protocol running
per virtual circuit with less overhead

PPP

There are CHAP and PAP mechanism support

authentication

for password encryption.

CHAP

Challenge Handshake Access Protocol encrypts
the password through DES/MD5 algorithm

Default

which provides more secure mechanism

PAP

Use plain text as password format with less
security mechanism

NAPT

Network Address Port Translation

ON

Besides the VPI/VCI parameters, the following must be specified and provided by
your service provider.

1.Login user name and password

2.PPP encapsulation modes: LLC or VCMUX.

3.PPP Authentication: CHAP or PAP.

NAPT should always be ON for PPPoE or PPPoA.

Note: To save the settings, select " Save Configuration" and then click " Save".

HANDL. XPL 870 scan 5/3/02 8:36 am Page 86

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