Users Guide

Enabling Drop Eligibility............................................................................................................................................823
Honoring the Incoming DEI Value..........................................................................................................................824
Marking Egress Packets with a DEI Value.......................................................................................................... 824
Dynamic Mode CoS for VLAN Stacking.................................................................................................................... 825
Mapping C-Tag to S-Tag dot1p Values................................................................................................................826
Layer 2 Protocol Tunneling...........................................................................................................................................827
Enabling Layer 2 Protocol Tunneling.................................................................................................................... 828
Specifying a Destination MAC Address for BPDUs.......................................................................................... 829
Setting Rate-Limit BPDUs...................................................................................................................................... 829
Debugging Layer 2 Protocol Tunneling................................................................................................................829
Provider Backbone Bridging.........................................................................................................................................830
Chapter 49: sFlow......................................................................................................................831
Overview............................................................................................................................................................................831
Implementation Information.......................................................................................................................................... 831
Enabling Extended sFlow.............................................................................................................................................. 832
Important Points to Remember............................................................................................................................. 833
Enabling and Disabling sFlow on an Interface..........................................................................................................834
Enabling and Disabling sFlow for Egress Traffic................................................................................................834
Enabling sFlow Max-Header Size Extended.............................................................................................................834
sFlow Show Commands................................................................................................................................................ 835
Displaying Show sFlow Global................................................................................................................................835
Displaying Show sFlow on an Interface............................................................................................................... 836
Displaying Show sFlow on a Stack-unit...............................................................................................................836
Configuring Specify Collectors.................................................................................................................................... 836
Changing the Polling Intervals..................................................................................................................................... 837
Back-Off Mechanism..................................................................................................................................................... 837
sFlow on LAG ports........................................................................................................................................................ 837
Chapter 50: Simple Network Management Protocol (SNMP)..................................................... 838
Protocol Overview..........................................................................................................................................................839
Implementation Information......................................................................................................................................... 839
SNMPv3 Compliance With FIPS................................................................................................................................. 839
Configuration Task List for SNMP..............................................................................................................................840
Important Points to Remember...................................................................................................................................840
Set up SNMP....................................................................................................................................................................841
Creating a Community.............................................................................................................................................. 841
Setting Up User-Based Security (SNMPv3).......................................................................................................841
Enable SNMPv3 traps..............................................................................................................................................842
Reading Managed Object Values................................................................................................................................ 843
Writing Managed Object Values..................................................................................................................................843
Configuring Contact and Location Information using SNMP...............................................................................844
Subscribing to Managed Object Value Updates using SNMP..............................................................................844
Enabling a Subset of SNMP Traps............................................................................................................................. 845
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................848
Copy Configuration Files Using SNMP...................................................................................................................... 849
Copying a Configuration File................................................................................................................................... 851
Copying Configuration Files via SNMP.................................................................................................................851
Copying the Startup-Config Files to the Running-Config...............................................................................852
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Contents