Concept Guide

Conguring Challenge Response Authentication for SSHv2............................................................................. 892
SMS-OTP Mechanism............................................................................................................................................893
Conguring the System to Drop Certain ICMP Reply Messages............................................................................893
Dell EMC Networking OS Security Hardening...........................................................................................................895
Dell EMC Networking OS Image Verication.......................................................................................................895
Startup Conguration Verication.........................................................................................................................896
Conguring the root User Password..................................................................................................................... 897
Locking Access to GRUB Interface.......................................................................................................................898
Enabling User Lockout for Failed Login Attempts............................................................................................... 899
50 Service Provider Bridging........................................................................................................................900
VLAN Stacking...............................................................................................................................................................900
Important Points to Remember..............................................................................................................................901
Congure VLAN Stacking....................................................................................................................................... 901
Creating Access and Trunk Ports.......................................................................................................................... 902
Enable VLAN-Stacking for a VLAN.......................................................................................................................903
Conguring the Protocol Type Value for the Outer VLAN Tag.......................................................................... 903
Conguring Dell EMC Networking OS Options for Trunk Ports........................................................................903
Debugging VLAN Stacking.....................................................................................................................................904
VLAN Stacking in Multi-Vendor Networks...........................................................................................................905
VLAN Stacking Packet Drop Precedence.................................................................................................................. 909
Enabling Drop Eligibility........................................................................................................................................... 909
Honoring the Incoming DEI Value...........................................................................................................................910
Marking Egress Packets with a DEI Value.............................................................................................................910
Dynamic Mode CoS for VLAN Stacking.......................................................................................................................911
Mapping C-Tag to S-Tag dot1p Values................................................................................................................... 912
Layer 2 Protocol Tunneling............................................................................................................................................ 913
Implementation Information.................................................................................................................................... 914
Enabling Layer 2 Protocol Tunneling...................................................................................................................... 915
Specifying a Destination MAC Address for BPDUs............................................................................................. 915
Setting Rate-Limit BPDUs...................................................................................................................................... 915
Debugging Layer 2 Protocol Tunneling.................................................................................................................. 916
Provider Backbone Bridging..........................................................................................................................................916
51 sFlow........................................................................................................................................................ 917
Overview..........................................................................................................................................................................917
Implementation Information...........................................................................................................................................917
Important Points to Remember.............................................................................................................................. 918
Enabling Extended sFlow.............................................................................................................................................. 918
Enabling and Disabling sFlow on an Interface.............................................................................................................919
Enabling sFlow Max-Header Size Extended............................................................................................................... 919
sFlow Show Commands............................................................................................................................................... 920
Displaying Show sFlow Global................................................................................................................................920
Displaying Show sFlow on an Interface................................................................................................................. 921
Displaying Show sFlow on a Stack-unit................................................................................................................ 922
Conguring Specify Collectors.....................................................................................................................................922
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