- Enterasys Security Router User's Guide

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Backup Using ISDN ............................................................................................................................. 10-37
Node A (Backed-up Node) Configuration ....................................................................................... 10-37
Node C (Called Node) Configuration..............................................................................................10-38
Configuration for Backup with MLPPP Bundle .....................................................................................10-39
Node A (Backed-up Node) Configuration ....................................................................................... 10-39
Node C (Called Node) Configuration..............................................................................................10-40
Configuration for Ethernet Failover ...................................................................................................... 10-40
Configuration for Frame Relay Encapsulation ..................................................................................... 10-41
Chapter 11: Configuring Integrated Services Digital Network
ISDN Features .............................................................................................................................................. 11-1
BRI Features .......................................................................................................................................... 11-2
PRI Features .......................................................................................................................................... 11-2
Understanding ISDN ..................................................................................................................................... 11-2
Basic Rate Interface ............................................................................................................................... 11-3
Primary Rate Interface ........................................................................................................................... 11-3
B-Channels ............................................................................................................................................ 11-3
D-Channel .............................................................................................................................................. 11-3
D-Channel Standards ............................................................................................................................. 11-4
D-Channel Signaling and Carrier Networks ........................................................................................... 11-4
ISDN Equipment Configurations ............................................................................................................ 11-4
Bandwidth Optimization ......................................................................................................................... 11-5
Security .................................................................................................................................................. 11-5
Call Monitoring ....................................................................................................................................... 11-6
ISDN Trace ............................................................................................................................................ 11-6
Trace Decoding ................................................................................................................................ 11-6
Q921 Decoding................................................................................................................................. 11-6
Q931 Decoding................................................................................................................................. 11-7
Decoded IEs ..................................................................................................................................... 11-9
BRI NI-1, DMS100 & 5ESS SPID Registration................................................................................. 11-9
Terminal Endpoint Identifier (TEI) Management Procedures ........................................................... 11-9
ISDN Configuration ....................................................................................................................................... 11-9
BRI (Switched) Configuration Model .................................................................................................... 11-10
PRI Configuration Model ...................................................................................................................... 11-12
Leased-Line Configuration Model ........................................................................................................ 11-14
More Configuration Examples .................................................................................................................... 11-15
T1 PRI .................................................................................................................................................. 11-15
E1 PRI .................................................................................................................................................. 11-15
ISDN BRI .............................................................................................................................................. 11-15
BRI Leased Line ................................................................................................................................... 11-16
BRI Leased PPP .................................................................................................................................. 11-16
BRI Leased Frame Relay ..................................................................................................................... 11-16
ISDN (ITU Standard Q.931) Call Status Cause Codes ..............................................................................11-16
Chapter 12: Configuring Quality of Service
Overview ....................................................................................................................................................... 12-1
Mechanisms Providing QoS ......................................................................................................................... 12-2
Traffic Classification ............................................................................................................................... 12-2
Describing the Class Map................................................................................................................. 12-3
Describing the Policy Map ................................................................................................................ 12-3
Queuing and Services ............................................................................................................................ 12-4
Describing Class-Based Weight Fair Queuing ................................................................................. 12-4
Configuring CBWFQ......................................................................................................................... 12-5