Users Guide

VLAN Stacking Packet Drop Precedence.................................................................................................................. 746
Enabling Drop Eligibility........................................................................................................................................... 746
Honoring the Incoming DEI Value.......................................................................................................................... 747
Marking Egress Packets with a DEI Value............................................................................................................747
Dynamic Mode CoS for VLAN Stacking..................................................................................................................... 748
Mapping C-Tag to S-Tag dot1p Values................................................................................................................ 749
Layer 2 Protocol Tunneling...........................................................................................................................................750
Implementation Information.................................................................................................................................... 751
Enabling Layer 2 Protocol Tunneling.....................................................................................................................752
Specifying a Destination MAC Address for BPDUs............................................................................................ 752
Setting Rate-Limit BPDUs......................................................................................................................................752
Debugging Layer 2 Protocol Tunneling.................................................................................................................753
Provider Backbone Bridging.........................................................................................................................................753
46 sFlow....................................................................................................................................................... 754
Overview.........................................................................................................................................................................754
Implementation Information......................................................................................................................................... 754
Important Points to Remember.............................................................................................................................755
Enabling Extended sFlow..............................................................................................................................................755
Enabling and Disabling sFlow on an Interface............................................................................................................756
Enabling sFlow Max-Header Size Extended.............................................................................................................. 756
sFlow Show Commands................................................................................................................................................757
Displaying Show sFlow Global................................................................................................................................757
Displaying Show sFlow on an Interface................................................................................................................ 758
Displaying Show sFlow on a Stack-unit................................................................................................................758
Configuring Specify Collectors.................................................................................................................................... 759
Changing the Polling Intervals......................................................................................................................................759
Back-Off Mechanism....................................................................................................................................................759
sFlow on LAG ports.......................................................................................................................................................760
Enabling Extended sFlow..............................................................................................................................................760
Important Points to Remember..............................................................................................................................761
47 Simple Network Management Protocol (SNMP)..................................................................................... 762
Protocol Overview.........................................................................................................................................................763
Implementation Information......................................................................................................................................... 763
SNMPv3 Compliance With FIPS................................................................................................................................. 763
Configuration Task List for SNMP.............................................................................................................................. 764
Related Configuration Tasks.................................................................................................................................. 764
Important Points to Remember................................................................................................................................... 765
Set up SNMP................................................................................................................................................................. 765
Creating a Community............................................................................................................................................ 765
Setting Up User-Based Security (SNMPv3)....................................................................................................... 765
Reading Managed Object Values.................................................................................................................................767
Writing Managed Object Values.................................................................................................................................. 767
Configuring Contact and Location Information using SNMP.................................................................................. 768
Subscribing to Managed Object Value Updates using SNMP.................................................................................768
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