Administrator Guide

Table Of Contents
Configuring Dell EMC Networking OS Options for Trunk Ports....................................................................793
Debugging VLAN Stacking......................................................................................................................................794
VLAN Stacking in Multi-Vendor Networks..........................................................................................................794
VLAN Stacking Packet Drop Precedence................................................................................................................. 797
Enabling Drop Eligibility............................................................................................................................................797
Honoring the Incoming DEI Value..........................................................................................................................798
Marking Egress Packets with a DEI Value.......................................................................................................... 798
Dynamic Mode CoS for VLAN Stacking.................................................................................................................... 799
Mapping C-Tag to S-Tag dot1p Values............................................................................................................... 800
Layer 2 Protocol Tunneling........................................................................................................................................... 801
Enabling Layer 2 Protocol Tunneling....................................................................................................................802
Specifying a Destination MAC Address for BPDUs.......................................................................................... 803
Setting Rate-Limit BPDUs...................................................................................................................................... 803
Debugging Layer 2 Protocol Tunneling................................................................................................................803
Provider Backbone Bridging.........................................................................................................................................804
Chapter 47: sFlow..................................................................................................................... 805
Overview...........................................................................................................................................................................805
Implementation Information......................................................................................................................................... 805
Enabling Extended sFlow..............................................................................................................................................806
Enabling and Disabling sFlow on an Interface..........................................................................................................807
Enabling and Disabling sFlow for Egress Traffic................................................................................................807
Enabling sFlow Max-Header Size Extended.............................................................................................................807
sFlow Show Commands................................................................................................................................................ 808
Displaying Show sFlow Global................................................................................................................................808
Displaying Show sFlow on an Interface............................................................................................................... 809
Displaying Show sFlow on a Stack-unit...............................................................................................................809
Configuring Specify Collectors....................................................................................................................................809
Changing the Polling Intervals......................................................................................................................................810
Back-Off Mechanism......................................................................................................................................................810
sFlow on LAG ports.........................................................................................................................................................810
Enabling Extended sFlow...............................................................................................................................................810
Important Points to Remember...............................................................................................................................811
Chapter 48: Simple Network Management Protocol (SNMP)......................................................813
Protocol Overview...........................................................................................................................................................814
Implementation Information.......................................................................................................................................... 814
SNMPv3 Compliance With FIPS.................................................................................................................................. 814
Configuration Task List for SNMP.............................................................................................................................. 815
Important Points to Remember....................................................................................................................................815
Set up SNMP....................................................................................................................................................................815
Creating a Community.............................................................................................................................................. 816
Setting Up User-Based Security (SNMPv3).......................................................................................................816
Enable SNMPv3 traps...............................................................................................................................................817
Reading Managed Object Values................................................................................................................................. 817
Writing Managed Object Values...................................................................................................................................818
Configuring Contact and Location Information using SNMP................................................................................818
Subscribing to Managed Object Value Updates using SNMP.............................................................................. 819
Enabling a Subset of SNMP Traps............................................................................................................................. 820
Contents
23