D-Link DFL-1660 User Manual page 252

4.7.5. Advanced Settings for
Transparent Mode
Default: Enabled
Decrement TTL
Enable this if the TTL should be decremented each time a packet traverses the firewall in
Transparent Mode.
Default: Disabled
Dynamic CAM Size
This setting can be used to manually configure the size of the CAM table. Normally Dynamic is the
preferred value to use.
Default: Dynamic
CAM Size
If the Dynamic CAM Size setting is not enabled then this is the maximum number of entries in each
CAM table.
Default: 8192
Dynamic L3C Size
Allocate the L3 Cache Size value dynamically.
Default: Enabled
L3 Cache Size
This setting is used to manually configure the size of the Layer 3 Cache. Enabling Dynamic L3C
Size is normally preferred.
Default: Dynamic
Relay Spanning-tree BPDUs
When set to Ignore all incoming STP, RSTP and MSTP BPDUs are relayed to all transparent
interfaces in the same routing table, except the incoming interface. Options:
• Ignore - Let the packets pass but do not log
• Log - Let the packets pass and log the event
• Drop - Drop the packets
• DropLog - Drop packets log the event
Default: Drop
Relay MPLS
When set to Ignore all incoming MPLS packets are relayed in transparent mode. Options:
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Chapter 4. Routing