x
Trap Versus Inform Messages .........................................................................................................12-3
Access to MIB Objects ........................................................................................................................... 12-3
Community Name Strings.................................................................................................................12-3
User-Based.......................................................................................................................................12-3
SNMP Support on Enterasys Switches ........................................................................................................ 12-3
Versions Supported ................................................................................................................................ 12-4
SNMPv1 andv2c Network Management Components .....................................................................12-4
SNMPv3 User-Based Security Model (USM) Enhancements ..........................................................12-4
Terms and Definitions ............................................................................................................................ 12-5
Security Models and Levels ................................................................................................................... 12-6
Access Control ....................................................................................................................................... 12-6
Configuring SNMP ........................................................................................................................................ 12-7
Configuration Basics .............................................................................................................................. 12-7
How SNMP Processes a Notification Configuration ............................................................................... 12-7
SNMP Defaults ....................................................................................................................................... 12-8
Device Start Up Configuration ..........................................................................................................12-8
Configuring SNMPv1/SNMPv2c ............................................................................................................. 12-9
Creating a New Configuration ..........................................................................................................12-9
Adding to or Modifying the Default Configuration ...........................................................................12-10
Configuring SNMPv3 ............................................................................................................................ 12-10
Configuring an SNMPv3 Inform or Trap Engine ID ........................................................................12-13
Configuring an SNMP View ............................................................................................................12-14
Configuring Secure SNMP Community Names ................................................................................... 12-15
Example..........................................................................................................................................12-17
Reviewing SNMP Settings .......................................................................................................................... 12-18
Chapter 13: Configuring Neighbor Discovery
Neighbor Discovery Overview ...................................................................................................................... 13-1
Neighbor Discovery Operation ............................................................................................................... 13-1
LLDP-MED ............................................................................................................................................. 13-3
LLDPDU Frames .................................................................................................................................... 13-5
Configuring LLDP ......................................................................................................................................... 13-7
LLDP Configuration Commands ............................................................................................................ 13-7
Basic LLDP Configuration ...................................................................................................................... 13-9
Example LLDP Configuration: Time to Live......................................................................................13-9
Example LLDP Configuration: Location Information.........................................................................13-9
LLDP Display Commands .................................................................................................................... 13-10
Configuring Enterasys Discovery Protocol ................................................................................................. 13-10
Enterasys Discovery Protocol Configuration Commands .................................................................... 13-10
Example Enterasys Discovery Protocol Configuration ......................................................................... 13-11
Enterasys Discovery Protocol Show Commands ................................................................................. 13-11
Configuring Cisco Discovery Protocol ........................................................................................................ 13-11
Cisco Discovery Protocol Configuration Commands ........................................................................... 13-12
Example Cisco Discovery Protocol Configuration ................................................................................ 13-12
Cisco Discovery Protocol Configuration Commands ........................................................................... 13-12
Chapter 14: Configuring Syslog
System Logging Overview ............................................................................................................................ 14-1
Syslog Operation .......................................................................................................................................... 14-2
Syslog Operation on Enterasys Devices ................................................................................................ 14-2
Filtering by Severity and Facility ............................................................................................................ 14-2
Syslog Components and Their Use .............................................................................................................. 14-3
Basic Syslog Scenario ........................................................................................................................... 14-5
Interpreting Messages .................................................................................................................................. 14-6
Example ................................................................................................................................................. 14-6
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