
Enterasys Xpedition User Reference Manual 309
Layer-4 Bridging and Filtering
Notes
• Layer-4 Bridging works for IP and IPX traffic only. The XP will drop non-IP/IPX traffic
on a Layer-4 Bridging VLAN. For Appletalk and DECnet packets, a warning is issued
before the first packet is dropped.
• If you use a SmartTRUNK in a with Layer-4 Bridging VLAN, the XP maintains the
packet order on a per-flow basis, rather than per-MAC pair. This means that for traffic
between a MAC pair consisting of more than one flow, the packets may be disordered
if they go through a SmartTRUNK. For traffic that doesn’t go through a SmartTRUNK,
the per-MAC pair packet order is kept.
• ACLs applied to a network interface (as opposed to a port) do not have an effect on
Layer-4 Bridged traffic, even though the interface may include ports used in Layer-4
Bridging.
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