Administrator Guide

Enabling Drop Eligibility............................................................................................................................................... 740
Honoring the Incoming DEI Value..............................................................................................................................740
Marking Egress Packets with a DEI Value................................................................................................................ 741
Dynamic Mode CoS for VLAN Stacking..........................................................................................................................741
Mapping C-Tag to S-Tag dot1p Values.................................................................................................................... 743
Layer 2 Protocol Tunneling.............................................................................................................................................. 743
Enabling Layer 2 Protocol Tunneling.........................................................................................................................745
Specifying a Destination MAC Address for BPDUs................................................................................................ 746
Setting Rate-Limit BPDUs..........................................................................................................................................746
Debugging Layer 2 Protocol Tunneling.....................................................................................................................746
Provider Backbone Bridging.............................................................................................................................................746
50 sFlow.....................................................................................................................................748
Overview............................................................................................................................................................................ 748
Implementation Information............................................................................................................................................. 748
Enabling and Disabling sFlow on an Interface................................................................................................................749
Enabling and Disabling sFlow for Egress Traffic......................................................................................................749
Enabling sFlow Max-Header Size Extended.................................................................................................................. 749
sFlow Show Commands...................................................................................................................................................750
Displaying Show sFlow Global....................................................................................................................................750
Displaying Show sFlow on an Interface.....................................................................................................................751
Displaying Show sFlow on a Stack-unit.....................................................................................................................751
Configuring Specify Collectors.........................................................................................................................................751
Changing the Polling Intervals......................................................................................................................................... 752
Back-Off Mechanism........................................................................................................................................................752
sFlow on LAG ports...........................................................................................................................................................752
Enabling Extended sFlow................................................................................................................................................. 752
Important Points to Remember.................................................................................................................................753
51 Simple Network Management Protocol (SNMP)........................................................................ 755
Protocol Overview............................................................................................................................................................ 756
Implementation Information.............................................................................................................................................756
SNMPv3 Compliance With FIPS.....................................................................................................................................756
Configuration Task List for SNMP.................................................................................................................................. 757
Important Points to Remember.......................................................................................................................................757
Set up SNMP..................................................................................................................................................................... 757
Creating a Community................................................................................................................................................ 758
Setting Up User-Based Security (SNMPv3)........................................................................................................... 758
Reading Managed Object Values.................................................................................................................................... 759
Writing Managed Object Values......................................................................................................................................760
Configuring Contact and Location Information using SNMP......................................................................................760
Subscribing to Managed Object Value Updates using SNMP.....................................................................................760
Enabling a Subset of SNMP Traps.................................................................................................................................. 761
Enabling an SNMP Agent to Notify Syslog Server Failure...........................................................................................763
Copy Configuration Files Using SNMP...........................................................................................................................764
Copying a Configuration File...................................................................................................................................... 765
Copying Configuration Files via SNMP.....................................................................................................................766
Copying the Startup-Config Files to the Running-Config......................................................................................766
Copying the Startup-Config Files to the Server via FTP....................................................................................... 766
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