Deployment Guide

Viewing the Reason for Last System Reboot...............................................................................................................32
4 Conguration Cloning.................................................................................................................................. 34
Cloning Conguration Output Status............................................................................................................................34
5 Data Center Bridging (DCB)........................................................................................................................ 37
Supported Modes.............................................................................................................................................................37
Ethernet Enhancements in Data Center Bridging........................................................................................................37
Priority-Based Flow Control..................................................................................................................................... 38
Enhanced Transmission Selection............................................................................................................................39
Data Center Bridging Exchange Protocol (DCBx)..................................................................................................41
Data Center Bridging in a Trac Flow......................................................................................................................41
Enabling Data Center Bridging........................................................................................................................................ 41
Conguring DCB Maps and its Attributes...............................................................................................................42
Data Center Bridging: Default Conguration................................................................................................................45
Data Center Bridging: Auto-DCB-Enable Mode...........................................................................................................46
Conguring Priority-Based Flow Control...................................................................................................................... 47
How Priority-Based Flow Control is Implemented.................................................................................................49
Conguring Enhanced Transmission Selection............................................................................................................ 50
How Enhanced Transmission Selection is Implemented....................................................................................... 50
ETS Operation with DCBx......................................................................................................................................... 51
Hierarchical Scheduling in ETS Output Policies............................................................................................................ 51
DCBx Operation............................................................................................................................................................... 52
DCBx Operation......................................................................................................................................................... 52
DCBx Port Roles........................................................................................................................................................ 52
DCB Conguration Exchange...................................................................................................................................53
Conguration Source Election..................................................................................................................................54
Propagation of DCB Information..............................................................................................................................54
Auto-Detection of the DCBx Version...................................................................................................................... 54
DCBx Example............................................................................................................................................................55
DCBx Prerequisites and Restrictions.......................................................................................................................56
DCBx Error Messages............................................................................................................................................... 57
Debugging DCBx on an Interface.............................................................................................................................57
Verifying the DCB Conguration....................................................................................................................................57
QoS dot1p Trac Classication and Queue Assignment............................................................................................ 67
Troubleshooting PFC, ETS, and DCBx Operation........................................................................................................ 67
Conguring the Dynamic Buer Method......................................................................................................................69
6 Dynamic Host Conguration Protocol (DHCP).............................................................................................71
Supported Modes.............................................................................................................................................................71
Assigning an IP Address using DHCP.............................................................................................................................71
Debugging DHCP Client Operation................................................................................................................................73
DHCP Client......................................................................................................................................................................74
How DHCP Client is Implemented................................................................................................................................. 75
DHCP Client on a Management Interface.................................................................................................................... 75
DHCP Client on a VLAN..................................................................................................................................................76
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