CHAPTER 18
Implementing Physical and Virtual Terminals 343
Prerequisites for Implementing Physical and Virtual Terminals 344
Information About Implementing Physical and Virtual Terminals 344
Line Templates 344
Line Template Configuration Mode 344
Line Template Guidelines 345
Terminal Identification 345
vty Pools 345
How to Implement Physical and Virtual Terminals on Cisco IOS XR Software 346
Modifying Templates 346
Creating and Modifying vty Pools 347
Monitoring Terminals and Terminal Sessions 349
Craft Panel Interface 350
Configuration Examples for Implementing Physical and Virtual Terminals 350
Additional References 352
CHAPTER 19
Implementing SNMP 355
Prerequisites for Implementing SNMP 356
Restrictions for SNMP Use on Cisco IOS XR Software 356
Information About Implementing SNMP 356
SNMP Functional Overview 356
SNMP Manager 356
SNMP Agent 356
MIB 357
SNMP Notifications 357
SNMP Versions 358
Comparison of SNMPv1, v2c, and v3 359
Security Models and Levels for SNMPv1, v2, v3 360
SNMPv3 Benefits 361
SNMPv3 Costs 362
User-Based Security Model 362
View-Based Access Control Model 363
MIB Views 363
Access Policy 363
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
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