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Startup Conguration Verication......................................................................................................................... 844
Conguring the root User Password.....................................................................................................................845
Locking Access to GRUB Interface.......................................................................................................................846
Enabling User Lockout for Failed Login Attempts............................................................................................... 846
48 Service Provider Bridging........................................................................................................................ 847
VLAN Stacking...............................................................................................................................................................847
Important Points to Remember............................................................................................................................. 848
Congure VLAN Stacking.......................................................................................................................................848
Creating Access and Trunk Ports.......................................................................................................................... 849
Enable VLAN-Stacking for a VLAN.......................................................................................................................850
Conguring the Protocol Type Value for the Outer VLAN Tag..........................................................................850
Conguring Dell EMC Networking OS Options for Trunk Ports........................................................................850
Debugging VLAN Stacking......................................................................................................................................851
VLAN Stacking in Multi-Vendor Networks...........................................................................................................852
VLAN Stacking Packet Drop Precedence.................................................................................................................. 856
Enabling Drop Eligibility........................................................................................................................................... 856
Honoring the Incoming DEI Value.......................................................................................................................... 857
Marking Egress Packets with a DEI Value............................................................................................................ 857
Dynamic Mode CoS for VLAN Stacking.....................................................................................................................858
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................859
Layer 2 Protocol Tunneling........................................................................................................................................... 860
Implementation Information.................................................................................................................................... 861
Enabling Layer 2 Protocol Tunneling......................................................................................................................862
Specifying a Destination MAC Address for BPDUs.............................................................................................862
Setting Rate-Limit BPDUs......................................................................................................................................862
Debugging Layer 2 Protocol Tunneling..................................................................................................................863
Provider Backbone Bridging.........................................................................................................................................863
49 sFlow.......................................................................................................................................................864
Overview.........................................................................................................................................................................864
Implementation Information..........................................................................................................................................864
Important Points to Remember............................................................................................................................. 865
Enabling Extended sFlow..............................................................................................................................................865
Enabling and Disabling sFlow on an Interface............................................................................................................ 866
Enabling sFlow Max-Header Size Extended...............................................................................................................866
sFlow Show Commands................................................................................................................................................867
Displaying Show sFlow Global................................................................................................................................ 867
Displaying Show sFlow on an Interface................................................................................................................ 868
Displaying Show sFlow on a Stack-unit................................................................................................................ 869
Conguring Specify Collectors.................................................................................................................................... 869
Changing the Polling Intervals......................................................................................................................................869
Back-O Mechanism.....................................................................................................................................................870
sFlow on LAG ports.......................................................................................................................................................870
Enabling Extended sFlow.............................................................................................................................................. 870
Important Points to Remember.............................................................................................................................. 871
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