xx
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