Install Guide

Debugging VLAN Stacking......................................................................................................................................837
VLAN Stacking in Multi-Vendor Networks..........................................................................................................837
VLAN Stacking Packet Drop Precedence..................................................................................................................841
Enabling Drop Eligibility............................................................................................................................................ 841
Honoring the Incoming DEI Value.......................................................................................................................... 841
Marking Egress Packets with a DEI Value.......................................................................................................... 842
Dynamic Mode CoS for VLAN Stacking.................................................................................................................... 842
Mapping C-Tag to S-Tag dot1p Values................................................................................................................844
Layer 2 Protocol Tunneling...........................................................................................................................................844
Enabling Layer 2 Protocol Tunneling....................................................................................................................846
Specifying a Destination MAC Address for BPDUs.......................................................................................... 847
Setting Rate-Limit BPDUs...................................................................................................................................... 847
Debugging Layer 2 Protocol Tunneling................................................................................................................ 847
Provider Backbone Bridging......................................................................................................................................... 847
Chapter 51: sFlow......................................................................................................................849
Overview...........................................................................................................................................................................849
Implementation Information......................................................................................................................................... 849
Enabling Extended sFlow..............................................................................................................................................850
Enabling and Disabling sFlow on an Interface...........................................................................................................851
Enabling sFlow Max-Header Size Extended............................................................................................................. 851
sFlow Show Commands................................................................................................................................................ 852
Displaying Show sFlow Global................................................................................................................................852
Displaying Show sFlow on an Interface............................................................................................................... 853
Displaying Show sFlow on a Stack-unit...............................................................................................................853
Configuring Specify Collectors....................................................................................................................................853
Changing the Polling Intervals..................................................................................................................................... 854
Back-Off Mechanism..................................................................................................................................................... 854
sFlow on LAG ports........................................................................................................................................................854
Enabling Extended sFlow.............................................................................................................................................. 854
Important Points to Remember.............................................................................................................................855
Chapter 52: Simple Network Management Protocol (SNMP)..................................................... 857
Protocol Overview..........................................................................................................................................................858
Implementation Information......................................................................................................................................... 858
SNMPv3 Compliance With FIPS................................................................................................................................. 858
Configuration Task List for SNMP............................................................................................................................. 859
Important Points to Remember...................................................................................................................................859
Set up SNMP................................................................................................................................................................... 859
Creating a Community............................................................................................................................................. 860
Setting Up User-Based Security (SNMPv3)......................................................................................................860
Enable SNMPv3 traps.............................................................................................................................................. 861
Reading Managed Object Values................................................................................................................................. 861
Writing Managed Object Values..................................................................................................................................862
Configuring Contact and Location Information using SNMP...............................................................................862
Subscribing to Managed Object Value Updates using SNMP..............................................................................863
Enabling a Subset of SNMP Traps............................................................................................................................. 864
Enabling an SNMP Agent to Notify Syslog Server Failure................................................................................... 865
Copy Configuration Files Using SNMP......................................................................................................................866
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Contents