Concept Guide

Dell EMC Networking OS Image Verication.......................................................................................................806
Startup Conguration Verication......................................................................................................................... 807
Conguring the root User Password.....................................................................................................................808
Enabling User Lockout for Failed Login Attempts............................................................................................... 809
49 Service Provider Bridging.........................................................................................................................810
VLAN Stacking............................................................................................................................................................... 810
Important Points to Remember...............................................................................................................................811
Congure VLAN Stacking........................................................................................................................................ 811
Creating Access and Trunk Ports........................................................................................................................... 812
Enable VLAN-Stacking for a VLAN........................................................................................................................813
Conguring the Protocol Type Value for the Outer VLAN Tag...........................................................................813
Conguring Dell EMC Networking OS Options for Trunk Ports.........................................................................813
Debugging VLAN Stacking......................................................................................................................................814
VLAN Stacking in Multi-Vendor Networks............................................................................................................815
VLAN Stacking Packet Drop Precedence................................................................................................................... 819
Enabling Drop Eligibility............................................................................................................................................ 819
Honoring the Incoming DEI Value.......................................................................................................................... 820
Marking Egress Packets with a DEI Value............................................................................................................ 820
Dynamic Mode CoS for VLAN Stacking......................................................................................................................821
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................822
Layer 2 Protocol Tunneling........................................................................................................................................... 823
Implementation Information....................................................................................................................................824
Enabling Layer 2 Protocol Tunneling......................................................................................................................825
Specifying a Destination MAC Address for BPDUs.............................................................................................825
Setting Rate-Limit BPDUs......................................................................................................................................825
Debugging Layer 2 Protocol Tunneling..................................................................................................................826
Provider Backbone Bridging.........................................................................................................................................826
50 sFlow....................................................................................................................................................... 827
Overview.........................................................................................................................................................................827
Implementation Information..........................................................................................................................................827
Important Points to Remember..............................................................................................................................828
Enabling and Disabling sFlow on an Interface............................................................................................................ 828
Enabling sFlow Max-Header Size Extended...............................................................................................................828
sFlow Show Commands............................................................................................................................................... 829
Displaying Show sFlow Global................................................................................................................................830
Displaying Show sFlow on an Interface................................................................................................................ 830
Displaying Show sFlow on a Stack-unit.................................................................................................................831
Conguring Specify Collectors..................................................................................................................................... 831
Changing the Polling Intervals.......................................................................................................................................831
Back-O Mechanism.................................................................................................................................................... 832
sFlow on LAG ports.......................................................................................................................................................832
Enabling Extended sFlow..............................................................................................................................................832
Important Points to Remember............................................................................................................................. 833
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