Administrator Guide

Honoring the Incoming DEI Value.......................................................................................................................... 833
Marking Egress Packets with a DEI Value............................................................................................................ 833
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................834
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................835
Layer 2 Protocol Tunneling........................................................................................................................................... 836
Implementation Information....................................................................................................................................837
Enabling Layer 2 Protocol Tunneling......................................................................................................................838
Specifying a Destination MAC Address for BPDUs.............................................................................................838
Setting Rate-Limit BPDUs......................................................................................................................................838
Debugging Layer 2 Protocol Tunneling..................................................................................................................839
Provider Backbone Bridging.........................................................................................................................................839
49 sFlow.......................................................................................................................................................840
Overview.........................................................................................................................................................................840
Implementation Information..........................................................................................................................................840
Important Points to Remember.............................................................................................................................. 841
Enabling Extended sFlow...............................................................................................................................................841
Enabling and Disabling sFlow on an Interface............................................................................................................ 842
Enabling sFlow Max-Header Size Extended...............................................................................................................842
sFlow Show Commands............................................................................................................................................... 843
Displaying Show sFlow Global................................................................................................................................843
Displaying Show sFlow on an Interface.................................................................................................................844
Displaying Show sFlow on a Stack-unit................................................................................................................ 844
Conguring Specify Collectors.................................................................................................................................... 845
Changing the Polling Intervals......................................................................................................................................845
Back-O Mechanism.................................................................................................................................................... 845
sFlow on LAG ports.......................................................................................................................................................846
Enabling Extended sFlow..............................................................................................................................................846
Important Points to Remember..............................................................................................................................847
50 Simple Network Management Protocol (SNMP)..................................................................................... 848
Protocol Overview.........................................................................................................................................................849
Implementation Information..........................................................................................................................................849
SNMPv3 Compliance With FIPS................................................................................................................................. 849
Conguration Task List for SNMP...............................................................................................................................850
Related Conguration Tasks...................................................................................................................................850
Important Points to Remember.................................................................................................................................... 851
Set up SNMP..................................................................................................................................................................851
Creating a Community............................................................................................................................................. 851
Setting Up User-Based Security (SNMPv3)........................................................................................................ 851
Reading Managed Object Values.................................................................................................................................853
Writing Managed Object Values.................................................................................................................................. 853
Conguring Contact and Location Information using SNMP...................................................................................854
Subscribing to Managed Object Value Updates using SNMP................................................................................. 854
Enabling a Subset of SNMP Traps.............................................................................................................................. 855
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 857
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