Users Guide

Honoring the Incoming DEI Value.......................................................................................................................... 829
Marking Egress Packets with a DEI Value............................................................................................................ 829
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................830
Mapping C-Tag to S-Tag dot1p Values................................................................................................................... 831
Layer 2 Protocol Tunneling........................................................................................................................................... 832
Implementation Information....................................................................................................................................833
Enabling Layer 2 Protocol Tunneling......................................................................................................................834
Specifying a Destination MAC Address for BPDUs.............................................................................................834
Setting Rate-Limit BPDUs......................................................................................................................................834
Debugging Layer 2 Protocol Tunneling..................................................................................................................835
Provider Backbone Bridging.........................................................................................................................................835
49 sFlow.......................................................................................................................................................836
Overview.........................................................................................................................................................................836
Implementation Information..........................................................................................................................................836
Important Points to Remember..............................................................................................................................837
Enabling Extended sFlow.............................................................................................................................................. 837
Enabling and Disabling sFlow on an Interface............................................................................................................ 838
Enabling sFlow Max-Header Size Extended...............................................................................................................838
sFlow Show Commands............................................................................................................................................... 839
Displaying Show sFlow Global................................................................................................................................839
Displaying Show sFlow on an Interface................................................................................................................ 840
Displaying Show sFlow on a Stack-unit................................................................................................................ 840
Conguring Specify Collectors..................................................................................................................................... 841
Changing the Polling Intervals.......................................................................................................................................841
Back-O Mechanism..................................................................................................................................................... 841
sFlow on LAG ports.......................................................................................................................................................842
Enabling Extended sFlow..............................................................................................................................................842
Important Points to Remember............................................................................................................................. 843
50 Simple Network Management Protocol (SNMP)..................................................................................... 844
Protocol Overview.........................................................................................................................................................845
Implementation Information..........................................................................................................................................845
SNMPv3 Compliance With FIPS................................................................................................................................. 845
Conguration Task List for SNMP...............................................................................................................................846
Related Conguration Tasks...................................................................................................................................846
Important Points to Remember....................................................................................................................................847
Set up SNMP................................................................................................................................................................. 847
Creating a Community.............................................................................................................................................847
Setting Up User-Based Security (SNMPv3)........................................................................................................847
Reading Managed Object Values.................................................................................................................................849
Writing Managed Object Values.................................................................................................................................. 849
Conguring Contact and Location Information using SNMP...................................................................................850
Subscribing to Managed Object Value Updates using SNMP................................................................................. 850
Enabling a Subset of SNMP Traps............................................................................................................................... 851
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 853
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