Administrator Guide
Marking Egress Packets with a DEI Value................................................................................................................847
Dynamic Mode CoS for VLAN Stacking.........................................................................................................................848
Mapping C-Tag to S-Tag dot1p Values.................................................................................................................... 849
Layer 2 Protocol Tunneling.............................................................................................................................................. 849
Enabling Layer 2 Protocol Tunneling......................................................................................................................... 851
Specifying a Destination MAC Address for BPDUs................................................................................................ 852
Setting Rate-Limit BPDUs......................................................................................................................................... 852
Debugging Layer 2 Protocol Tunneling.....................................................................................................................852
Provider Backbone Bridging............................................................................................................................................ 852
52 sFlow.....................................................................................................................................854
Overview............................................................................................................................................................................ 854
Implementation Information.............................................................................................................................................854
Enabling and Disabling sFlow...........................................................................................................................................855
Enabling and Disabling sFlow on an Interface............................................................................................................... 855
sFlow Show Commands...................................................................................................................................................855
Displaying Show sFlow Global................................................................................................................................... 855
Displaying Show sFlow on an Interface....................................................................................................................856
Displaying Show sFlow on a Line Card..................................................................................................................... 856
Configuring Specify Collectors........................................................................................................................................856
Changing the Polling Intervals......................................................................................................................................... 857
Back-Off Mechanism........................................................................................................................................................857
sFlow on LAG ports...........................................................................................................................................................857
Enabling Extended sFlow................................................................................................................................................. 857
Important Points to Remember.................................................................................................................................858
53 Simple Network Management Protocol (SNMP)........................................................................859
Protocol Overview............................................................................................................................................................ 859
Implementation Information.............................................................................................................................................860
Configuration Task List for SNMP..................................................................................................................................860
Important Points to Remember.......................................................................................................................................860
Set up SNMP.....................................................................................................................................................................860
Creating a Community.................................................................................................................................................861
Setting Up User-Based Security (SNMPv3)............................................................................................................861
Enable SNMPv3 traps................................................................................................................................................ 862
Reading Managed Object Values.................................................................................................................................... 862
Writing Managed Object Values......................................................................................................................................863
Configuring Contact and Location Information using SNMP......................................................................................863
Configuring the CPU Utilization for SNMP Traps........................................................................................................ 864
Configuring Threshold Memory Utilization for SNMP Traps...................................................................................... 865
Subscribing to Managed Object Value Updates using SNMP.................................................................................... 866
Enabling a Subset of SNMP Traps................................................................................................................................. 866
Enabling an SNMP Agent to Notify Syslog Server Failure.......................................................................................... 869
Copy Configuration Files Using SNMP...........................................................................................................................870
Copying a Configuration File.......................................................................................................................................871
Copying Configuration Files via SNMP.....................................................................................................................872
Copying the Startup-Config Files to the Running-Config......................................................................................872
Copying the Startup-Config Files to the Server via FTP....................................................................................... 872
Copying the Startup-Config Files to the Server via TFTP.....................................................................................873
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