Section 3.0: ISDN Configuration - CCIE Security Practice Labs [Book]

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Section 3.0: ISDN Configuration

3.1. Basic ISDN

Configure ISDN on R4 and R6.
Configure legacy commands on R6 and dialer interface on R4.
Do not configure dial number on R6 in the dialer-map statement, as R6 is not supposed to make the call to R4; only R4 is to call R6. Refer to Section 5.1.3 on IPSec redundancy.
Configure ISDN network in Area0.

NOTE

ISDN switch-type varies from providers in different parts of the world. For a list of valid ISDN switch types, see

www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113t/113t_3/multisdn.htm#15611

3.2. PPP Authentication and Multilink

Configure chap hostname on R6 as LAB2.
Configure username LAB2 on R4 for CHAP authentication.
Configure ppp multilink on R4 and R6.
Configure dialer load-threshold ...

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