Concept Guide

Conguring Challenge Response Authentication for SSHv2.............................................................................899
SMS-OTP Mechanism............................................................................................................................................899
Conguring the System to Drop Certain ICMP Reply Messages............................................................................900
Dell EMC Networking OS Security Hardening............................................................................................................901
Dell EMC Networking OS Image Verication........................................................................................................901
Startup Conguration Verication.........................................................................................................................903
Conguring the root User Password.....................................................................................................................904
Locking Access to GRUB Interface.......................................................................................................................904
Enabling User Lockout for Failed Login Attempts............................................................................................... 905
51 Service Provider Bridging.........................................................................................................................906
VLAN Stacking...............................................................................................................................................................906
Important Points to Remember..............................................................................................................................907
Congure VLAN Stacking.......................................................................................................................................907
Creating Access and Trunk Ports.......................................................................................................................... 908
Enable VLAN-Stacking for a VLAN.......................................................................................................................909
Conguring the Protocol Type Value for the Outer VLAN Tag..........................................................................909
Conguring Dell EMC Networking OS Options for Trunk Ports........................................................................909
Debugging VLAN Stacking......................................................................................................................................910
VLAN Stacking in Multi-Vendor Networks.............................................................................................................911
VLAN Stacking Packet Drop Precedence...................................................................................................................915
Enabling Drop Eligibility............................................................................................................................................915
Honoring the Incoming DEI Value...........................................................................................................................916
Marking Egress Packets with a DEI Value.............................................................................................................916
Dynamic Mode CoS for VLAN Stacking......................................................................................................................917
Mapping C-Tag to S-Tag dot1p Values................................................................................................................... 918
Layer 2 Protocol Tunneling............................................................................................................................................ 919
Implementation Information....................................................................................................................................920
Enabling Layer 2 Protocol Tunneling...................................................................................................................... 921
Specifying a Destination MAC Address for BPDUs..............................................................................................921
Setting Rate-Limit BPDUs.......................................................................................................................................921
Debugging Layer 2 Protocol Tunneling..................................................................................................................922
Provider Backbone Bridging.........................................................................................................................................922
52 sFlow....................................................................................................................................................... 923
Overview.........................................................................................................................................................................923
Implementation Information..........................................................................................................................................923
Important Points to Remember..............................................................................................................................924
Enabling Extended sFlow..............................................................................................................................................924
Enabling and Disabling sFlow on an Interface............................................................................................................ 925
Enabling sFlow Max-Header Size Extended...............................................................................................................925
sFlow Show Commands............................................................................................................................................... 926
Displaying Show sFlow Global................................................................................................................................926
Displaying Show sFlow on an Interface.................................................................................................................927
Displaying Show sFlow on a Stack-unit................................................................................................................ 928
Conguring Specify Collectors.....................................................................................................................................928
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