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Table Of Contents
Enabling User Lockout for Failed Login Attempts.............................................................................................703
Chapter 50: Service Provider Bridging.......................................................................................704
VLAN Stacking.................................................................................................................................................................704
Configure VLAN Stacking....................................................................................................................................... 705
Creating Access and Trunk Ports......................................................................................................................... 706
Enable VLAN-Stacking for a VLAN.......................................................................................................................706
Configuring the Protocol Type Value for the Outer VLAN Tag..................................................................... 707
Configuring Options for Trunk Ports.................................................................................................................... 707
Debugging VLAN Stacking......................................................................................................................................708
VLAN Stacking in Multi-Vendor Networks......................................................................................................... 708
VLAN Stacking Packet Drop Precedence..................................................................................................................712
Enabling Drop Eligibility.............................................................................................................................................712
Honoring the Incoming DEI Value...........................................................................................................................712
Marking Egress Packets with a DEI Value........................................................................................................... 713
Dynamic Mode CoS for VLAN Stacking..................................................................................................................... 713
Mapping C-Tag to S-Tag dot1p Values................................................................................................................ 715
Layer 2 Protocol Tunneling............................................................................................................................................715
Enabling Layer 2 Protocol Tunneling..................................................................................................................... 717
Specifying a Destination MAC Address for BPDUs........................................................................................... 718
Setting Rate-Limit BPDUs....................................................................................................................................... 718
Debugging Layer 2 Protocol Tunneling.................................................................................................................718
Provider Backbone Bridging..........................................................................................................................................718
Chapter 51: sFlow...................................................................................................................... 720
Overview........................................................................................................................................................................... 720
Implementation Information..........................................................................................................................................720
Enabling and Disabling sFlow........................................................................................................................................ 721
Enabling and Disabling sFlow on an Interface..................................................................................................... 721
Enabling sFlow Max-Header Size Extended..............................................................................................................721
sFlow Show Commands.................................................................................................................................................722
Displaying Show sFlow Global................................................................................................................................ 723
Displaying Show sFlow on an Interface............................................................................................................... 723
Displaying Show sFlow on a Stack Unit...............................................................................................................723
Configuring Specify Collectors.................................................................................................................................... 724
Changing the Polling Intervals..................................................................................................................................... 724
Changing the Sampling Rate........................................................................................................................................ 724
Sub-Sampling............................................................................................................................................................. 724
Back-Off Mechanism..................................................................................................................................................... 725
sFlow on LAG ports........................................................................................................................................................ 725
Enabling Extended sFlow.............................................................................................................................................. 725
Chapter 52: Simple Network Management Protocol (SNMP)..................................................... 727
Implementation Information..........................................................................................................................................728
Configuring the Simple Network Management Protocol.......................................................................................728
Important Points to Remember............................................................................................................................. 728
Setting up SNMP...................................................................................................................................................... 728
Creating a Community............................................................................................................................................. 728
Setting Up User-Based Security (SNMPv3)............................................................................................................729
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