Dell PowerEdge FX2/FX2s - Manual (Page 4)

Priority-Based Flow Control ............................................................................................................... 28
Configuring Priority-Based Flow Control .................................................................................... 29
Enhanced Transmission Selection ...................................................................................................... 31
Configuring Enhanced Transmission Selection ........................................................................... 33
Data Center Bridging Exchange Protocol (DCBx) ............................................................................. 33
Data Center Bridging in a Traffic Flow ............................................................................................... 34
Data Center Bridging: Auto-DCB-Enable Mode ................................................................................34
QoS dot1p Traffic Classification and Queue Assignment ................................................................. 36
How Priority-Based Flow Control is Implemented ............................................................................37
How Enhanced Transmission Selection is Implemented ..................................................................38
ETS Operation with DCBx .............................................................................................................39
Bandwidth Allocation for DCBX CIN ............................................................................................ 39
DCBX Operation ..................................................................................................................................39
DCBx Operation ............................................................................................................................40
DCBx Port Roles ............................................................................................................................40
DCB Configuration Exchange .......................................................................................................41
Configuration Source Election ..................................................................................................... 42
Propagation of DCB Information ..................................................................................................42
Auto-Detection of the DCBx Version ...........................................................................................43
DCBX Example ...............................................................................................................................43
DCBX Prerequisites and Restrictions ............................................................................................44
DCBX Error Messages ................................................................................................................... 45
Debugging DCBX on an Interface ................................................................................................ 45
Verifying the DCB Configuration ........................................................................................................46
Hierarchical Scheduling in ETS Output Policies ................................................................................ 56
Troubleshooting PFC, ETS, and DCBx Operation ..............................................................................56
5 Dynamic Host Configuration Protocol (DHCP)............................................ 59
Assigning an IP Address using DHCP ................................................................................................. 59
Debugging DHCP Client Operation ................................................................................................... 61
DHCP Client ........................................................................................................................................ 63
How DHCP Client is Implemented .....................................................................................................63
DHCP Client on a Management Interface ......................................................................................... 64
DHCP Client on a VLAN ......................................................................................................................64
DHCP Packet Format and Options .....................................................................................................65
Option 82 ............................................................................................................................................ 66
Releasing and Renewing DHCP-based IP Addresses ........................................................................ 67
Viewing DHCP Statistics and Lease Information ............................................................................... 67
6 FIP Snooping....................................................................................................... 69
Fibre Channel over Ethernet ...............................................................................................................69
Ensuring Robustness in a Converged Ethernet Network ..................................................................69