Users Guide

Enabling Drop Eligibility........................................................................................................................................... 765
Honoring the Incoming DEI Value.......................................................................................................................... 765
Marking Egress Packets with a DEI Value............................................................................................................ 766
Dynamic Mode CoS for VLAN Stacking..................................................................................................................... 767
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................768
Layer 2 Protocol Tunneling........................................................................................................................................... 769
Implementation Information....................................................................................................................................770
Enabling Layer 2 Protocol Tunneling.......................................................................................................................771
Specifying a Destination MAC Address for BPDUs..............................................................................................771
Setting Rate-Limit BPDUs.......................................................................................................................................771
Debugging Layer 2 Protocol Tunneling.................................................................................................................. 772
Provider Backbone Bridging......................................................................................................................................... 772
51 sFlow........................................................................................................................................................ 773
Overview.........................................................................................................................................................................773
Implementation Information..........................................................................................................................................773
Important Points to Remember.............................................................................................................................. 774
Enabling and Disabling sFlow........................................................................................................................................774
Enabling and Disabling sFlow on an Interface.......................................................................................................774
Enabling sFlow Max-Header Size Extended............................................................................................................... 774
sFlow Show Commands................................................................................................................................................776
Displaying Show sFlow Global................................................................................................................................ 776
Displaying Show sFlow on an Interface.................................................................................................................776
Displaying Show sFlow on a Stack Unit.................................................................................................................777
Conguring Specify Collectors..................................................................................................................................... 777
Changing the Polling Intervals...................................................................................................................................... 777
Changing the Sampling Rate........................................................................................................................................ 778
Sub-Sampling........................................................................................................................................................... 778
Back-O Mechanism.....................................................................................................................................................778
sFlow on LAG ports....................................................................................................................................................... 779
Enabling Extended sFlow.............................................................................................................................................. 779
52 Simple Network Management Protocol (SNMP)..................................................................................... 780
Supported Modes..........................................................................................................................................................780
Implementation Information...........................................................................................................................................781
Conguring the Simple Network Management Protocol...........................................................................................781
Important Points to Remember.............................................................................................................................. 781
Setting up SNMP......................................................................................................................................................781
Creating a Community............................................................................................................................................. 781
Setting Up User-Based Security (SNMPv3)..............................................................................................................782
Reading Managed Object Values................................................................................................................................. 783
Displaying the Ports in a VLAN using SNMP..............................................................................................................784
Fetching Dynamic MAC Entries using SNMP............................................................................................................ 785
Deriving Interface Indices..............................................................................................................................................786
Monitor Port-Channels..................................................................................................................................................787
Entity MIBS.....................................................................................................................................................................788
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