Administrator Guide

Handling Access-Challenge Message....................................................................................................................... 796
Configuring Challenge Response Authentication for SSHv2.................................................................................796
SMS-OTP Mechanism................................................................................................................................................ 797
Configuring the System to Drop Certain ICMP Reply Messages................................................................................797
Dell EMC Networking OS Security Hardening.............................................................................................................. 798
Dell EMC Networking OS Image Verification...........................................................................................................799
Startup Configuration Verification............................................................................................................................ 799
Configuring the root User Password........................................................................................................................800
Locking Access to GRUB Interface........................................................................................................................... 801
Enabling User Lockout for Failed Login Attempts................................................................................................... 801
51 Service Provider Bridging........................................................................................................ 802
VLAN Stacking.................................................................................................................................................................. 802
Configure VLAN Stacking.......................................................................................................................................... 803
Creating Access and Trunk Ports............................................................................................................................. 804
Enable VLAN-Stacking for a VLAN...........................................................................................................................804
Configuring the Protocol Type Value for the Outer VLAN Tag............................................................................ 805
Configuring Dell EMC Networking OS Options for Trunk Ports...........................................................................805
Debugging VLAN Stacking.........................................................................................................................................806
VLAN Stacking in Multi-Vendor Networks.............................................................................................................. 806
VLAN Stacking Packet Drop Precedence...................................................................................................................... 810
Enabling Drop Eligibility................................................................................................................................................810
Honoring the Incoming DEI Value.............................................................................................................................. 810
Marking Egress Packets with a DEI Value.................................................................................................................811
Dynamic Mode CoS for VLAN Stacking.......................................................................................................................... 811
Mapping C-Tag to S-Tag dot1p Values.....................................................................................................................813
Layer 2 Protocol Tunneling...............................................................................................................................................813
Enabling Layer 2 Protocol Tunneling......................................................................................................................... 815
Specifying a Destination MAC Address for BPDUs.................................................................................................816
Setting Rate-Limit BPDUs.......................................................................................................................................... 816
Debugging Layer 2 Protocol Tunneling..................................................................................................................... 816
Provider Backbone Bridging............................................................................................................................................. 816
52 sFlow..................................................................................................................................... 818
Overview.............................................................................................................................................................................818
Implementation Information..............................................................................................................................................818
Enabling Extended sFlow..................................................................................................................................................819
Enabling and Disabling sFlow on an Interface................................................................................................................820
Enabling and Disabling sFlow for Egress Traffic......................................................................................................820
Enabling sFlow Max-Header Size Extended..................................................................................................................820
sFlow Show Commands....................................................................................................................................................821
Displaying Show sFlow Global.................................................................................................................................... 821
Displaying Show sFlow on an Interface.................................................................................................................... 822
Displaying Show sFlow on a Stack-unit....................................................................................................................822
Configuring Specify Collectors........................................................................................................................................ 822
Changing the Polling Intervals......................................................................................................................................... 823
Back-Off Mechanism........................................................................................................................................................823
sFlow on LAG ports.......................................................................................................................................................... 823
Enabling Extended sFlow................................................................................................................................................. 823
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