Brocade Communications Systems StoreFabric SN6500B Command Reference Manual page 273

DLS configuration commands on a switch with a port-based policy:
Fabric OS Command Reference
53-1002746-01
switch:admin> dlsreset
DLS can not be changed with current routing policy
switch:admin> dlsset
DLS can not be changed with current routing policy
switch:admin> dlsset --enable -lossless
Lossless is set
switch:admin> dlsset --disable -lossless
Lossless is not set
switch:admin> dlssshow
DLS is set by default with current routing policy
switch:admin> dlsshow
DLS is set by default with current routing policy
DLS is set with Lossless enabled
switch:admin> dlsreset
DLS is not set
switch:admin> dlsshow
DLS is not set
switch:admin> dlsset --enable -lossless
DLS and Lossless are set
switch:admin> dlsshow
DLS is set with Lossless enabled
switch:admin> dlsset
Lossless is set (unchanged)
switch:admin> dlsset --disable -lossless
Lossless is not set
switch:admin> dlsshow
DLS is not set
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dlsSet
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