White Papers

Table Of Contents
Enabling Drop Eligibility.............................................................................................................................................771
Honoring the Incoming DEI Value...........................................................................................................................771
Marking Egress Packets with a DEI Value...........................................................................................................772
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................772
Mapping C-Tag to S-Tag dot1p Values................................................................................................................774
Layer 2 Protocol Tunneling........................................................................................................................................... 774
Enabling Layer 2 Protocol Tunneling.................................................................................................................... 776
Specifying a Destination MAC Address for BPDUs...........................................................................................777
Setting Rate-Limit BPDUs.......................................................................................................................................777
Debugging Layer 2 Protocol Tunneling................................................................................................................ 777
Provider Backbone Bridging..........................................................................................................................................777
Chapter 50: sFlow..................................................................................................................... 779
Overview........................................................................................................................................................................... 779
Implementation Information..........................................................................................................................................779
Enabling and Disabling sFlow on an Interface..........................................................................................................780
Enabling sFlow Max-Header Size Extended.............................................................................................................780
sFlow Show Commands................................................................................................................................................. 781
Displaying Show sFlow Global.................................................................................................................................781
Displaying Show sFlow on an Interface............................................................................................................... 782
Displaying Show sFlow on a Stack-unit............................................................................................................... 782
Configuring Specify Collectors.................................................................................................................................... 782
Changing the Polling Intervals..................................................................................................................................... 783
Back-Off Mechanism..................................................................................................................................................... 783
sFlow on LAG ports........................................................................................................................................................ 783
Enabling Extended sFlow.............................................................................................................................................. 783
Important Points to Remember............................................................................................................................. 784
Chapter 51: Simple Network Management Protocol (SNMP)......................................................786
Protocol Overview.......................................................................................................................................................... 787
Implementation Information..........................................................................................................................................787
SNMPv3 Compliance With FIPS..................................................................................................................................787
Configuration Task List for SNMP..............................................................................................................................788
Important Points to Remember................................................................................................................................... 788
Set up SNMP................................................................................................................................................................... 788
Creating a Community............................................................................................................................................. 789
Setting Up User-Based Security (SNMPv3)...................................................................................................... 789
Reading Managed Object Values................................................................................................................................ 790
Writing Managed Object Values...................................................................................................................................791
Configuring Contact and Location Information using SNMP................................................................................791
Subscribing to Managed Object Value Updates using SNMP..............................................................................792
Enabling a Subset of SNMP Traps..............................................................................................................................792
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................794
Copy Configuration Files Using SNMP...................................................................................................................... 795
Copying a Configuration File.................................................................................................................................. 796
Copying Configuration Files via SNMP................................................................................................................ 797
Copying the Startup-Config Files to the Running-Config...............................................................................798
Copying the Startup-Config Files to the Server via FTP................................................................................ 798
Copying the Startup-Config Files to the Server via TFTP..............................................................................798
Contents
23