Users Guide

VLAN Stacking Packet Drop Precedence.................................................................................................................. 695
Enabling Drop Eligibility........................................................................................................................................... 695
Honoring the Incoming DEI Value..........................................................................................................................695
Marking Egress Packets with a DEI Value............................................................................................................696
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................696
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................698
Layer 2 Protocol Tunneling........................................................................................................................................... 698
Implementation Information....................................................................................................................................700
Enabling Layer 2 Protocol Tunneling......................................................................................................................700
Specifying a Destination MAC Address for BPDUs..............................................................................................701
Setting Rate-Limit BPDUs.......................................................................................................................................701
Debugging Layer 2 Protocol Tunneling..................................................................................................................702
Provider Backbone Bridging......................................................................................................................................... 702
46 sFlow....................................................................................................................................................... 703
Overview.........................................................................................................................................................................703
Implementation Information..........................................................................................................................................703
Important Points to Remember..............................................................................................................................704
Enabling Extended sFlow..............................................................................................................................................704
Enabling and Disabling sFlow on an Interface............................................................................................................ 705
Enabling sFlow Max-Header Size Extended...............................................................................................................705
sFlow Show Commands............................................................................................................................................... 706
Displaying Show sFlow Global................................................................................................................................ 706
Displaying Show sFlow on an Interface.................................................................................................................707
Displaying Show sFlow on a Stack-unit.................................................................................................................707
Conguring Specify Collectors.....................................................................................................................................708
Changing the Polling Intervals......................................................................................................................................708
Back-O Mechanism.................................................................................................................................................... 708
sFlow on LAG ports.......................................................................................................................................................708
Enabling Extended sFlow..............................................................................................................................................708
Important Points to Remember..............................................................................................................................709
47 Simple Network Management Protocol (SNMP)....................................................................................... 711
Protocol Overview...........................................................................................................................................................711
Implementation Information...........................................................................................................................................712
SNMPv3 Compliance With FIPS.................................................................................................................................. 712
Conguration Task List for SNMP................................................................................................................................713
Related Conguration Tasks....................................................................................................................................713
Important Points to Remember.................................................................................................................................... 713
Set up SNMP..................................................................................................................................................................713
Creating a Community............................................................................................................................................. 714
Setting Up User-Based Security (SNMPv3).........................................................................................................714
Reading Managed Object Values..................................................................................................................................715
Writing Managed Object Values................................................................................................................................... 716
Conguring Contact and Location Information using SNMP....................................................................................716
Subscribing to Managed Object Value Updates using SNMP.................................................................................. 717
Enabling a Subset of SNMP Traps............................................................................................................................... 718
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