Administrator Guide

Setting Up User-Based Security (SNMPv3)..............................................................................................................749
Reading Managed Object Values.................................................................................................................................750
Displaying the Ports in a VLAN using SNMP.............................................................................................................. 751
Fetching Dynamic MAC Entries using SNMP............................................................................................................ 752
Deriving Interface Indices............................................................................................................................................. 753
Monitor Port-Channels................................................................................................................................................. 754
Entity MIBS.................................................................................................................................................................... 755
Example of Sample Entity MIBS outputs..............................................................................................................755
SNMP Traps for Link Status.........................................................................................................................................755
Standard VLAN MIB......................................................................................................................................................755
Enhancements......................................................................................................................................................... 756
Fetching the Switchport Conguration and the Logical Interface Conguration ...........................................756
MIB Support to Display the Available Memory Size on Flash...................................................................................757
Viewing the Available Flash Memory Size.............................................................................................................757
MIB Support to Display the Software Core Files Generated by the System..........................................................757
Viewing the Software Core Files Generated by the System.............................................................................. 758
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................758
MIB Support to Display the Available Partitions on Flash.........................................................................................759
Viewing the Available Partitions on Flash............................................................................................................. 760
MIB Support to Display Egress Queue Statistics........................................................................................................761
MIB Support to Display Egress Queue Statistics........................................................................................................761
Viewing the ECMP Group Count Information.......................................................................................................761
MIB Support for entAliasMappingTable ..................................................................................................................... 764
Viewing the entAliasMappingTable MIB................................................................................................................764
MIB Support for LAG.................................................................................................................................................... 764
Viewing the LAG MIB..............................................................................................................................................766
Transceiver Monitoring..................................................................................................................................................766
53 Stacking...................................................................................................................................................767
Supported Modes.......................................................................................................................................................... 767
Conguring a Switch Stack.......................................................................................................................................... 767
Stacking Prerequisites............................................................................................................................................. 767
Master Selection Criteria........................................................................................................................................ 768
Conguring Priority and stack-group.................................................................................................................... 768
Cabling the Switch Stack........................................................................................................................................769
Accessing the CLI....................................................................................................................................................769
Conguring and Bringing Up a Stack.................................................................................................................... 769
Adding a Stack Unit................................................................................................................................................. 770
Resetting a Unit on a Stack.....................................................................................................................................771
Removing an Aggregator from a Stack..................................................................................................................771
Merging Two Operational Stacks............................................................................................................................771
Verifying a Stack Conguration....................................................................................................................................772
Using Show Commands..........................................................................................................................................772
Troubleshooting a Switch Stack...................................................................................................................................772
Failure Scenarios...................................................................................................................................................... 773
Upgrading a Switch Stack............................................................................................................................................ 775
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