Users Guide

Dell EMC Networking OS Image Verication....................................................................................................... 785
Startup Conguration Verication..........................................................................................................................787
Conguring the root User Password..................................................................................................................... 788
Locking Access to GRUB Interface....................................................................................................................... 788
Enabling User Lockout for Failed Login Attempts................................................................................................789
46 Service Provider Bridging........................................................................................................................ 790
VLAN Stacking...............................................................................................................................................................790
Important Points to Remember.............................................................................................................................. 791
Congure VLAN Stacking........................................................................................................................................791
Creating Access and Trunk Ports...........................................................................................................................792
Enable VLAN-Stacking for a VLAN....................................................................................................................... 793
Conguring the Protocol Type Value for the Outer VLAN Tag.......................................................................... 793
Conguring Dell EMC Networking OS Options for Trunk Ports........................................................................ 793
Debugging VLAN Stacking..................................................................................................................................... 794
VLAN Stacking in Multi-Vendor Networks...........................................................................................................795
VLAN Stacking Packet Drop Precedence.................................................................................................................. 799
Enabling Drop Eligibility........................................................................................................................................... 799
Honoring the Incoming DEI Value..........................................................................................................................800
Marking Egress Packets with a DEI Value............................................................................................................800
Dynamic Mode CoS for VLAN Stacking......................................................................................................................801
Mapping C-Tag to S-Tag dot1p Values...................................................................................................................802
Layer 2 Protocol Tunneling........................................................................................................................................... 803
Implementation Information................................................................................................................................... 804
Enabling Layer 2 Protocol Tunneling..................................................................................................................... 805
Specifying a Destination MAC Address for BPDUs.............................................................................................805
Setting Rate-Limit BPDUs......................................................................................................................................805
Debugging Layer 2 Protocol Tunneling................................................................................................................. 806
Provider Backbone Bridging.........................................................................................................................................806
47 sFlow....................................................................................................................................................... 807
Overview.........................................................................................................................................................................807
Implementation Information..........................................................................................................................................807
Important Points to Remember............................................................................................................................. 808
Enabling Extended sFlow..............................................................................................................................................808
Enabling and Disabling sFlow on an Interface............................................................................................................809
Enabling sFlow Max-Header Size Extended.............................................................................................................. 809
sFlow Show Commands................................................................................................................................................810
Displaying Show sFlow Global.................................................................................................................................810
Displaying Show sFlow on an Interface.................................................................................................................. 811
Displaying Show sFlow on a Stack-unit.................................................................................................................812
Conguring Specify Collectors..................................................................................................................................... 812
Changing the Polling Intervals.......................................................................................................................................812
Back-O Mechanism..................................................................................................................................................... 813
sFlow on LAG ports........................................................................................................................................................813
Enabling Extended sFlow...............................................................................................................................................813
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