3 Brocade VDX 6940 Switch Configuration Guide for Dell PS Series SANs | SCG3306Table of contentsRevisions.............................................................................................................................................................................21 Introduction ...................................................................................................................................................................41.1 Document conventions .......................................................................................................................................41.2 Audience .............................................................................................................................................................41.3 Switch details ......................................................................................................................................................41.4 Cabling diagram..................................................................................................................................................52 Dell recommended switch configuration ......................................................................................................................62.1 Hardware configuration ......................................................................................................................................62.2 Delete startup configuration ................................................................................................................................62.3 Configure management ports .............................................................................................................................72.4 Convert 40GbE ports to 10GbE mode................................................................................................................72.5 Configure port channel .......................................................................................................................................72.6 Configure ports for LAG ......................................................................................................................................72.7 Configure global LLDP settings to disable DCB .................................................................................................82.8 Disable Ethernet fabric on edge ports ................................................................................................................82.9 Enable Jumbo MTU ............................................................................................................................................82.10 Enable switchport ...............................................................................................................................................82.11 Enable link level flow control (802.3x) ................................................................................................................92.12 Configure spanning tree on edge ports ..............................................................................................................92.13 Disable LLDP iSCSI priority on switch ports ......................................................................................................92.14 Save configuration ..............................................................................................................................................92.15 Configure additional switch .................................................................................................................................93 Performance tuning ....................................................................................................................................................104 Configuring VCS ID and Rbridge ID ...........................................................................................................................11A Additional resources ...................................................................................................................................................12