Brocade San Switch – Commands to know

Show
switchshow – Indicators like no light or In_sync will be displayed
portshow <port> – Provides report on errors on a port
porterrshow – provides gist of port errors, look for delta of counters
portstatsshow <port> – Provides details of port errors
portstats64show – Extension of portstatsshow when 32 bit counters do not suffice, look for tim_txcrd_z to observe BB_credit deltas
fabriclog -s – Helps isolate flapping ports, look out for offline and online sequences
sfpshow – Provides information on SFP and their state, check for power

Zoning
cfgshow – Displays zoning configuration
defzone –show – Shows default zone settings
nsshow -t – Display name server entries with additional details
nodefind <alias> – To find specific device in fabric
nodefind <WWPN> – To find specific device in fabric

Licensing
licenseshow

Firmware Download
firmwaredownloadstatus
firmwareshow
version

Configuration
configdefault – To reset switch configuration to default
configdownload – To download a previously uploaded config file
switchshow – Lists connection information as well first indicator of fabric segmentations
errshow -r – Look for config events, match events with list in Brocade Message reference guide for suitable actions
fabstatsshow – flags any parameter mismatch during merging
fabricshow – Helps identify domain id conflicts and gives an overview of all fabric members
configure – To set correct switch and flow control parameters
portcfgshow <port number> – Display port configuration
portcfgspeed <port number> – Set or show port speed
portcfgdefaults <port number> – Set port settings to default
portcfgpersistentenable <port> – To enable port permanently
portcfgpersistentdisable <port> – To disable port persistently (across reboots)
portdisable
portenable
portcfgeport – Disable E port
portcfglport – Lock port to L port
portcfggport – Lock port to E or F port

Log collection
supportshow
supportsave