Dell POWEREDGE M1000E - Manual (Page 247)

Fabric OS Command Reference 215
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dlsSet
2
The Lossless feature is supported only on the Brocade DCX and DCX-4S chassis with 8G blades (FC
ports only), and on the Brocade 300, 5100, 5300 and 7800 switches. On the Brocade 7800 and
FX8-24, the Lossless feature is supported only on FC ports. On unsupported platforms, this
command exits with an appropriate message.
The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may
be in place. Refer to chapter 1, "Using Fabric OS commands" and Appendix A, "Command
Availability" for details.
Operands
--
enable -lossless
Enables the Lossless feature. Frame loss is reduced while the path is
rerouted. If DLS is set on the switch, this command adds the Lossless feature
to the existing DLS legacy mode. If DLS is not set on the switch, this
command enables both DLS and the Lossless feature. The Lossless feature is
by default disabled.
--
disable -lossless
Disables the previously enabled Lossless feature. Execution of this command
is equivalent to the legacy dlsSet command. Dynamic load balancing is
enforced but not without frame loss. DLS (legacy mode) continues to be
enabled after Lossless is disabled. Use dlsReset to disable DLS completely.
--
help Displays the command usage.
Examples DLS configuration commands on a switch with an exchange-based policy:
switch:admin>
aptpolicy
Current Policy: 3 0(ap)
3 0(ap) : Default Policy
1: Port Based Routing Policy
3: Exchange Based Routing Policy
0: AP Shared Link Policy
1: AP Dedicated Link Policy
switch:admin> dlsshow
DLS is set by default with current routing policy
DLS is set with Lossless enabled
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