The incoming traffic is placed on one of the rings. If the ring is overloaded, packets are dropped. For every packet that gets dropped, the kstat dls counter, dls_soft_ring_pkt_drop, is incremented.
0 - nCPUs, where nCPUs is the maximum number of CPUs in the system
No. The interface should be plumbed again when changing this parameter.
Consider setting this parameter to a value greater than 2 on systems that have 10 Gbps NICs and many CPUs.
This parameter can only be set in the global zone.
For information, see ip_soft_rings_cnt (Solaris 10 11/06 Release).