Users Guide

Handling Access-Challenge Message...................................................................................................................846
Configuring Challenge Response Authentication for SSHv2..........................................................................846
SMS-OTP Mechanism..............................................................................................................................................847
Configuring the System to Drop Certain ICMP Reply Messages........................................................................847
Dell EMC Networking OS Security Hardening......................................................................................................... 848
Dell EMC Networking OS Image Verification..................................................................................................... 849
Startup Configuration Verification........................................................................................................................850
Configuring the root User Password.................................................................................................................... 851
Locking Access to GRUB Interface.......................................................................................................................851
Enabling User Lockout for Failed Login Attempts............................................................................................ 852
Chapter 51: Service Provider Bridging....................................................................................... 853
VLAN Stacking.................................................................................................................................................................853
Configure VLAN Stacking....................................................................................................................................... 854
Creating Access and Trunk Ports......................................................................................................................... 855
Enable VLAN-Stacking for a VLAN...................................................................................................................... 855
Configuring the Protocol Type Value for the Outer VLAN Tag.....................................................................856
Configuring Dell EMC Networking OS Options for Trunk Ports................................................................... 856
Debugging VLAN Stacking......................................................................................................................................857
VLAN Stacking in Multi-Vendor Networks......................................................................................................... 857
VLAN Stacking Packet Drop Precedence..................................................................................................................861
Enabling Drop Eligibility............................................................................................................................................ 861
Honoring the Incoming DEI Value.......................................................................................................................... 861
Marking Egress Packets with a DEI Value.......................................................................................................... 862
Dynamic Mode CoS for VLAN Stacking.................................................................................................................... 862
Mapping C-Tag to S-Tag dot1p Values................................................................................................................864
Layer 2 Protocol Tunneling...........................................................................................................................................864
Enabling Layer 2 Protocol Tunneling....................................................................................................................866
Specifying a Destination MAC Address for BPDUs.......................................................................................... 867
Setting Rate-Limit BPDUs...................................................................................................................................... 867
Debugging Layer 2 Protocol Tunneling................................................................................................................ 867
Provider Backbone Bridging.........................................................................................................................................868
Chapter 52: sFlow..................................................................................................................... 869
Overview...........................................................................................................................................................................869
Implementation Information......................................................................................................................................... 869
Enabling Extended sFlow.............................................................................................................................................. 870
Enabling and Disabling sFlow on an Interface...........................................................................................................871
Enabling and Disabling sFlow for Egress Traffic................................................................................................ 871
Enabling sFlow Max-Header Size Extended..............................................................................................................871
sFlow Show Commands.................................................................................................................................................872
Displaying Show sFlow Global................................................................................................................................ 872
Displaying Show sFlow on an Interface............................................................................................................... 873
Displaying Show sFlow on a Stack-unit............................................................................................................... 873
Configuring Specify Collectors.................................................................................................................................... 874
Changing the Polling Intervals..................................................................................................................................... 874
Back-Off Mechanism..................................................................................................................................................... 874
sFlow on LAG ports........................................................................................................................................................ 874
Enabling Extended sFlow.............................................................................................................................................. 874
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