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Cisco 6400 Software Setup Guide
OL-1183-04
Chapter3 Basic NRP Configuration
Permanent Virtual Circuits
Example—PVC with PPPoA on an ATM Interface
The following example shows a typical PVC configuration for PPP over ATM (PPPoA). For information
on configuring PPPoA, see the“PPPoA Baseline Architecture”white paper on Cisco.com.
!
interface atm 0/0/0
pvc 0/41
encapsulation aal5mux ppp virtual-Template 1
!
interface virtual-template 1
ip unnumbered fastethernet 0/0/0
ppp authentication pap
!
Verifying PVCs on the ATM Interface
To verify successful configuration of PVCs on the main ATM interface, use the show atm vc EXEC
command. Check that the status (Sts) is up, and that the encapsulation type is correct.
NRP# show atm vc
VCD / Peak Avg/Min Burst
Interface Name VPI VCI Type Encaps SC Kbps Kbps Cells Sts
0/0/0 1 103 100 PVC MUX UBR 155000 UP
0/0/0 2 103 101 PVC MUX UBR 155000 UP
0/0/0 3 103 110 PVC SNAP UBR 155000 UP
NRP#
Configuring PVCs on ATM Subinterfaces
The NRP allows the configuration of multiple virtual interfaces, or subinterfaces, on a single physical
interface. The ATM interface on the NRP (interface atm 0/0/0) can be configured with subinterfaces to
allow greater flexibility and connectivity when working with subscriber sessions.
A subinterface must be classified as either point-to-point or multipoint. A point-to-point interface
supports only a single PVC; a multipoint interface can be configured with multiple PVCs. Because of
the standard rule of bridging, a PVC on a multipoint subinterface configured for RFC 1483 bridging
cannot send data to another PVC on the same subinterface. This means that an RFC 1483 bridged
multipoint interface can offer greater security than a point-to-point interface, but only at the expense of
flexibility.
By default, all PVCs use AAL5 SNAP encapsulation. When you specify an encapsulation type for the
main ATM interface (ATM 0/0/0), all PVCs on its subinterfaces inherit this encapsulation type. You can,
however, override the inherited encapsulation type by specifying the encapsulation type in ATM VC
configuration mode.
- Text Part Number: OL-1183-04 1
- Contents 10
- OL-1183-04 10
- Document Objectives 11
- Related Documentation 11
- Audience 12
- Organization 12
- Conventions 13
- Obtaining Documentation 14
- Documentation CD-ROM 15
- Ordering Documentation 15
- Documentation Feedback 15
- Cisco.com 16
- Technical Assistance Center 16
- Product Overview 19
- Cisco 6400 System 20
- Node Switch Processor 21
- Node Route Processor 21
- Node Line Card 23
- Basic NSP Configuration 25
- Verifying DHCP 27
- ATM Address 28
- Verifying the ATM Address 30
- Internal Cross-Connections 34
- Example—Internal PVC 35
- Example—Internal PVP 36
- Network Clocking 38
- Network Routing 42
- NRP-2 and NRP-2SV Support 43
- System Logging 45
- Console and Telnet Access 45
- SNMPv3 Proxy Forwarder 46
- Storing the NSP Configuration 47
- Example—Disk0: versus Slot0: 49
- Basic NRP Configuration 51
- Initial NRP-1 Configuration 52
- Configuring the NRP-1 53
- Setting the I/O Memory Size 56
- Restrictions 58
- Example—Main ATM Interface 61
- Example—ATM Subinterface 61
- Changing the MTU on the NRP-2 62
- PAM mailbox serial interface: 68
- Permanent Virtual Circuits 70
- Configuring VC Classes 74
- Configuring PVC Discovery 76
- Verifying PVC Discovery 78
- Verifying PVC Traffic Shaping 79
- NLC Interface Identification 81
- Autoconfiguration 82
- ATM Interface Types 83
- Configuring UNIs 84
- Network-to-Network Interfaces 85
- Verifying NNI Configuration 86
- Configuring IISP Interfaces 87
- NLC Interface Clocking 88
- DS3 NLC Interface Options 90
- Memory Requirements 94
- NSP Redundancy 95
- Synchronizing Redundant NSPs 96
- PCMCIA Disk Mirroring 97
- Verifying Blind Copying 101
- Example—Disk Synchronization 102
- Examples 103
- NRP Redundancy 107
- Verifying NRP Redundancy 108
- NLC Redundancy 109
- Verifying NLC Redundancy 110
- Verifying SONET APS 112
- • Remote Monitoring, page 6-4 117
- • Alarms, page 6-4 117
- Remote Monitoring 120
- Verifying Temperature Alarms 121
- Clearing Alarms 122
- Web Console 123
- Web Console Installation 124
- Using the Web Console 126
- AppendixA Web Console 127
- FigureA-1 Update Page 128
- Accessing the Web Console 129
- Navigating in Web Console 131
- System Reload Options 134
- Configuring Redundancy 135
- IP Address Management 136
- Setting Static Routes 137
- SNMP Management 138
- Entering System Options 139
- Entering Community Strings 140
- Adding Trap Managers 140
- NRP Status 141
- Subscriber Management 141
- Step 2 Click Remove 143
- System Status 144
- FigureA-13 System Status 145
- Loading New Web Console Pages 146
- Recommendations 147
- Reload the Secondary NRP-1 156
- Reloading the Secondary NRP-1 159
- 2. Reload the Secondary NSP 160
- Prerequisites 161
- Reload the Secondary NSP 161
- Reloading the Secondary NSP 164
- Verifying VCI Values 169
- Shrinking ITT Blocks 172
- Displaying ITT Allocation 172
- GLOSSARY 175
- Glossary 176
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