Concept Guide

Marking Egress Packets with a DEI Value............................................................................................................ 867
Dynamic Mode CoS for VLAN Stacking..................................................................................................................... 867
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................868
Layer 2 Protocol Tunneling........................................................................................................................................... 869
Implementation Information.....................................................................................................................................871
Enabling Layer 2 Protocol Tunneling.......................................................................................................................871
Specifying a Destination MAC Address for BPDUs.............................................................................................872
Setting Rate-Limit BPDUs...................................................................................................................................... 872
Debugging Layer 2 Protocol Tunneling..................................................................................................................873
Provider Backbone Bridging......................................................................................................................................... 873
47 sFlow........................................................................................................................................................874
Overview......................................................................................................................................................................... 874
Implementation Information.......................................................................................................................................... 874
Important Points to Remember..............................................................................................................................875
Enabling Extended sFlow..............................................................................................................................................875
Enabling and Disabling sFlow on an Interface.............................................................................................................876
Enabling sFlow Max-Header Size Extended...............................................................................................................876
sFlow Show Commands................................................................................................................................................877
Displaying Show sFlow Global................................................................................................................................ 877
Displaying Show sFlow on an Interface.................................................................................................................878
Displaying Show sFlow on a Stack-unit.................................................................................................................878
Conguring Specify Collectors.....................................................................................................................................879
Changing the Polling Intervals......................................................................................................................................879
Back-O Mechanism.....................................................................................................................................................879
sFlow on LAG ports.......................................................................................................................................................880
Enabling Extended sFlow..............................................................................................................................................880
Important Points to Remember.............................................................................................................................. 881
48 Simple Network Management Protocol (SNMP)..................................................................................... 882
Protocol Overview.........................................................................................................................................................883
Implementation Information..........................................................................................................................................883
SNMPv3 Compliance With FIPS................................................................................................................................. 883
Conguration Task List for SNMP...............................................................................................................................884
Related Conguration Tasks...................................................................................................................................884
Important Points to Remember................................................................................................................................... 885
Set up SNMP.................................................................................................................................................................885
Creating a Community............................................................................................................................................ 885
Setting Up User-Based Security (SNMPv3)........................................................................................................886
Reading Managed Object Values................................................................................................................................. 887
Writing Managed Object Values...................................................................................................................................887
Conguring Contact and Location Information using SNMP...................................................................................888
Subscribing to Managed Object Value Updates using SNMP................................................................................. 888
Enabling a Subset of SNMP Traps.............................................................................................................................. 889
Enabling an SNMP Agent to Notify Syslog Server Failure........................................................................................891
Copy Conguration Files Using SNMP....................................................................................................................... 892
Contents
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