Administrator Guide

Honoring the Incoming DEI Value.......................................................................................................................... 835
Marking Egress Packets with a DEI Value............................................................................................................ 835
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................836
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................837
Layer 2 Protocol Tunneling........................................................................................................................................... 838
Implementation Information....................................................................................................................................839
Enabling Layer 2 Protocol Tunneling......................................................................................................................840
Specifying a Destination MAC Address for BPDUs.............................................................................................840
Setting Rate-Limit BPDUs......................................................................................................................................840
Debugging Layer 2 Protocol Tunneling.................................................................................................................. 841
Provider Backbone Bridging..........................................................................................................................................841
49 sFlow....................................................................................................................................................... 842
Overview.........................................................................................................................................................................842
Implementation Information..........................................................................................................................................842
Important Points to Remember............................................................................................................................. 843
Enabling Extended sFlow..............................................................................................................................................843
Enabling and Disabling sFlow on an Interface............................................................................................................ 844
Enabling sFlow Max-Header Size Extended...............................................................................................................844
sFlow Show Commands............................................................................................................................................... 845
Displaying Show sFlow Global................................................................................................................................845
Displaying Show sFlow on an Interface.................................................................................................................846
Displaying Show sFlow on a Stack-unit................................................................................................................ 846
Conguring Specify Collectors.....................................................................................................................................847
Changing the Polling Intervals......................................................................................................................................847
Back-O Mechanism.....................................................................................................................................................847
sFlow on LAG ports.......................................................................................................................................................848
Enabling Extended sFlow..............................................................................................................................................848
Important Points to Remember............................................................................................................................. 849
50 Simple Network Management Protocol (SNMP)..................................................................................... 850
Protocol Overview..........................................................................................................................................................851
Implementation Information.......................................................................................................................................... 851
SNMPv3 Compliance With FIPS.................................................................................................................................. 851
Conguration Task List for SNMP...............................................................................................................................852
Related Conguration Tasks...................................................................................................................................852
Important Points to Remember................................................................................................................................... 853
Set up SNMP.................................................................................................................................................................853
Creating a Community............................................................................................................................................ 853
Setting Up User-Based Security (SNMPv3)........................................................................................................853
Reading Managed Object Values.................................................................................................................................855
Writing Managed Object Values.................................................................................................................................. 855
Conguring Contact and Location Information using SNMP...................................................................................856
Subscribing to Managed Object Value Updates using SNMP................................................................................. 856
Enabling a Subset of SNMP Traps...............................................................................................................................857
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 859
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