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Device Control
Switch Configuration
Figure 4-9. Switch Configuration Menu
x Spanning Tree Enable State - By default, Spanning Tree is disabled on the
MIL-S3580. The switch uses the IEEE802.1D Spanning Tree Protocol (STP),
when enabled, to ensure that only one path at a time is active between any two
nodes on the network.
x Dynamic Entry Aging Time - This is the time, in seconds, that the switch
keeps an address of a device in the MAC address table. 300 seconds or 5
minutes is the default. The time can be from 5 seconds to 999 seconds or
16.65 hours. A MAC address can also be entered in the static address table
and the MAC address will not age out.
x Broadcast Storm Prevention can be set to 6%, 20%, or Disable. The
percentage indicates the allowance against the capacity. When disabled, there
is no limitation on the incoming rate of broadcast/multicast traffic, otherwise
limitation on broadcast traffic will be set to the configured percentage.
x Ingress Filtering examines the tagged header of each tagged frame that
enters a port and determines whether the tagged frame and the port that
received the frame are members of the same VLAN. If they belong to the same
VLAN, the port accepts the frame. If they belong to different VLANs, the port