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+/proc/sys/net/mpls/* Variables:
+
+platform_labels - INTEGER
+ Number of entries in the platform label table. It is not
+ possible to configure forwarding for label values equal to or
+ greater than the number of platform labels.
+
+ A dense utliziation of the entries in the platform label table
+ is possible and expected aas the platform labels are locally
+ allocated.
+
+ If the number of platform label table entries is set to 0 no
+ label will be recognized by the kernel and mpls forwarding
+ will be disabled.
+
+ Reducing this value will remove all label routing entries that
+ no longer fit in the table.
+
+ Possible values: 0 - 1048575
+ Default: 0