White Papers

Table Of Contents
Honoring the Incoming DEI Value.......................................................................................................................... 814
Marking Egress Packets with a DEI Value........................................................................................................... 814
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................815
Mapping C-Tag to S-Tag dot1p Values................................................................................................................ 816
Layer 2 Protocol Tunneling............................................................................................................................................817
Enabling Layer 2 Protocol Tunneling.....................................................................................................................818
Specifying a Destination MAC Address for BPDUs...........................................................................................819
Setting Rate-Limit BPDUs.......................................................................................................................................819
Debugging Layer 2 Protocol Tunneling.................................................................................................................819
Provider Backbone Bridging.........................................................................................................................................820
Chapter 49: sFlow......................................................................................................................821
Overview............................................................................................................................................................................821
Implementation Information.......................................................................................................................................... 821
Enabling Extended sFlow.............................................................................................................................................. 822
Important Points to Remember............................................................................................................................. 823
Enabling and Disabling sFlow on an Interface..........................................................................................................824
Enabling sFlow Max-Header Size Extended.............................................................................................................824
sFlow Show Commands................................................................................................................................................ 825
Displaying Show sFlow Global................................................................................................................................825
Displaying Show sFlow on an Interface............................................................................................................... 825
Displaying Show sFlow on a Stack-unit...............................................................................................................826
Configuring Specify Collectors.................................................................................................................................... 826
Changing the Polling Intervals..................................................................................................................................... 826
Back-Off Mechanism..................................................................................................................................................... 827
sFlow on LAG ports........................................................................................................................................................ 827
Chapter 50: Simple Network Management Protocol (SNMP)..................................................... 828
Protocol Overview..........................................................................................................................................................829
Implementation Information......................................................................................................................................... 829
SNMPv3 Compliance With FIPS................................................................................................................................. 829
Configuration Task List for SNMP............................................................................................................................. 830
Important Points to Remember...................................................................................................................................830
Set up SNMP....................................................................................................................................................................831
Creating a Community.............................................................................................................................................. 831
Setting Up User-Based Security (SNMPv3).......................................................................................................831
Enable SNMPv3 traps..............................................................................................................................................832
Reading Managed Object Values................................................................................................................................ 832
Writing Managed Object Values..................................................................................................................................833
Configuring Contact and Location Information using SNMP...............................................................................833
Subscribing to Managed Object Value Updates using SNMP..............................................................................834
Enabling a Subset of SNMP Traps............................................................................................................................. 835
Enabling an SNMP Agent to Notify Syslog Server Failure................................................................................... 838
Copy Configuration Files Using SNMP...................................................................................................................... 839
Copying a Configuration File.................................................................................................................................. 840
Copying Configuration Files via SNMP.................................................................................................................841
Copying the Startup-Config Files to the Running-Config............................................................................... 841
Copying the Startup-Config Files to the Server via FTP................................................................................ 842
Copying the Startup-Config Files to the Server via TFTP..............................................................................842
24
Contents