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 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)........................................................................ 754
Protocol Overview............................................................................................................................................................ 755
Implementation Information.............................................................................................................................................755
SNMPv3 Compliance With FIPS.....................................................................................................................................755
Configuration Task List for SNMP..................................................................................................................................756
Important Points to Remember.......................................................................................................................................756
Set up SNMP.....................................................................................................................................................................756
Creating a Community................................................................................................................................................ 757
Setting Up User-Based Security (SNMPv3)........................................................................................................... 757
Reading Managed Object Values.................................................................................................................................... 758
Writing Managed Object Values......................................................................................................................................759
Configuring Contact and Location Information using SNMP......................................................................................759
Subscribing to Managed Object Value Updates using SNMP.....................................................................................759
Enabling a Subset of SNMP Traps..................................................................................................................................760
Enabling an SNMP Agent to Notify Syslog Server Failure...........................................................................................762
Copy Configuration Files Using SNMP...........................................................................................................................763
Copying a Configuration File...................................................................................................................................... 764
Copying Configuration Files via SNMP.....................................................................................................................765
Copying the Startup-Config Files to the Running-Config......................................................................................765
Copying the Startup-Config Files to the Server via FTP....................................................................................... 765
Copying the Startup-Config Files to the Server via TFTP.....................................................................................766
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