Setup Guide

VLAN Stacking in Multi-Vendor Networks...........................................................................................................844
VLAN Stacking Packet Drop Precedence.................................................................................................................. 848
Enabling Drop Eligibility........................................................................................................................................... 848
Honoring the Incoming DEI Value.......................................................................................................................... 849
Marking Egress Packets with a DEI Value............................................................................................................ 849
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................850
Mapping C-Tag to S-Tag dot1p Values................................................................................................................... 851
Layer 2 Protocol Tunneling........................................................................................................................................... 852
Implementation Information....................................................................................................................................853
Enabling Layer 2 Protocol Tunneling......................................................................................................................854
Specifying a Destination MAC Address for BPDUs.............................................................................................854
Setting Rate-Limit BPDUs......................................................................................................................................854
Debugging Layer 2 Protocol Tunneling................................................................................................................. 855
Provider Backbone Bridging.........................................................................................................................................855
50 sFlow.......................................................................................................................................................856
Overview........................................................................................................................................................................ 856
Implementation Information......................................................................................................................................... 856
Important Points to Remember..............................................................................................................................857
Enabling and Disabling sFlow on an Interface............................................................................................................ 857
Enabling sFlow Max-Header Size Extended...............................................................................................................857
sFlow Show Commands............................................................................................................................................... 858
Displaying Show sFlow Global................................................................................................................................859
Displaying Show sFlow on an Interface................................................................................................................ 859
Displaying Show sFlow on a Stack-unit................................................................................................................860
Conguring Specify Collectors.................................................................................................................................... 860
Changing the Polling Intervals......................................................................................................................................860
Back-O Mechanism.....................................................................................................................................................861
sFlow on LAG ports........................................................................................................................................................861
Enabling Extended sFlow.............................................................................................................................................. 861
Important Points to Remember............................................................................................................................. 862
51 Simple Network Management Protocol (SNMP)...................................................................................... 863
Protocol Overview.........................................................................................................................................................864
Implementation Information..........................................................................................................................................864
SNMPv3 Compliance With FIPS................................................................................................................................. 864
Conguration Task List for SNMP...............................................................................................................................865
Related Conguration Tasks...................................................................................................................................865
Important Points to Remember................................................................................................................................... 866
Set up SNMP.................................................................................................................................................................866
Creating a Community............................................................................................................................................ 866
Setting Up User-Based Security (SNMPv3)....................................................................................................... 866
Reading Managed Object Values.................................................................................................................................868
Writing Managed Object Values.................................................................................................................................. 868
Conguring Contact and Location Information using SNMP...................................................................................869
Subscribing to Managed Object Value Updates using SNMP................................................................................. 869
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Contents