Intermec 6710 - Manual (Page 233)

APPENDIX E
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OWL/IP
6710 Access Point User’s Guide E-11
Frame Forwarding
MAC frames originating on the home subnet are
encapsulated in the super root, forwarded through the IP
network, deencapsulated in the designated bridge, and
forwarded to the appropriate access point for delivery to the
intended wireless station. The same process is used in
reverse between the designated bridge and the super root
for inbound frames. The encapsulation uses the standard
IP GRE protocol.
Outbound
Data frames are forwarded outbound through an IP tunnel
if:
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A wireless station is known to be attached to an access
point on a particular remote subnet.
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The frame type is specified in the [TX Filter] menu.
Designated bridges are responsible for forwarding attach
status for wireless stations to the super root. The super
root maintains entries for these stations in its forwarding
database indicating the correct subnet for outbound
forwarding.
IP ARP (Address Resolution Protocol) and ICMP frames are
normally forwarded outbound through all tunnels.
Enabling the ARP server in the super root can reduce the
number of ARPs forwarded.
Inbound
The same forwarding rules apply for frames inbound from
remote subnets. Designated bridges maintain entries in
their forwarding database for addresses that require
routing through tunnels.
Frames destined for servers or stations on the local subnet
are not forwarded through tunnels. Only frame types
configured in the [TX Filter] menu are forwarded.