Administrator Guide

Setting Rate-Limit BPDUs...............................................................................................827
Debugging Layer 2 Protocol Tunneling......................................................................828
Provider Backbone Bridging................................................................................................828
51 sFlow.....................................................................................................................................830
Overview..................................................................................................................................830
Implementation Information................................................................................................831
Important Points to Remember.....................................................................................831
Enabling and Disabling sFlow.............................................................................................. 831
Enabling and Disabling sFlow on an Interface...........................................................832
Enabling sFlow Max-Header Size Extended.....................................................................832
sFlow Show Commands.......................................................................................................834
Displaying Show sFlow Global...................................................................................... 834
Displaying Show sFlow on an Interface...................................................................... 834
Displaying Show sFlow on a Stack Unit.......................................................................835
Configuring Specify Collectors...........................................................................................835
Changing the Polling Intervals............................................................................................ 835
Changing the Sampling Rate...............................................................................................836
Sub-Sampling................................................................................................................... 836
Back-Off Mechanism............................................................................................................ 837
sFlow on LAG ports................................................................................................................837
Enabling Extended sFlow......................................................................................................837
52 Simple Network Management Protocol (SNMP)..........................................................839
Supported Modes...................................................................................................................839
Implementation Information...............................................................................................840
Configuring the Simple Network Management Protocol.............................................840
Important Points to Remember....................................................................................840
Setting up SNMP.............................................................................................................. 840
Creating a Community................................................................................................... 840
Reading Managed Object Values........................................................................................841
Displaying the Ports in a VLAN using SNMP.....................................................................842
Fetching Dynamic MAC Entries using SNMP................................................................... 843
Deriving Interface Indices.................................................................................................... 845
Monitor Port-Channels........................................................................................................ 846
Entity MIBS...............................................................................................................................847
Example of Sample Entity MIBS outputs..................................................................... 847
SNMP Traps for Link Status..................................................................................................848
Standard VLAN MIB............................................................................................................... 848
Enhancements..................................................................................................................848
Fetching the Switchport Configuration and the Logical Interface
Configuration ...................................................................................................................849
Configuration Guide
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