
DLSw Configuration Overview
114063 Rev. A 3-19
There is one Frame Relay Mapping table for each physical Frame Relay interface.
Each entry must have a value specified for either the Local MAC or Remote
MAC, or for both. Incoming LLC2 packets (such as LAN packets) are checked
against the entries in this table. If a match occurs, the router forwards the frame
only to the DLCI specified. If no entry is found, then the information is not
forwarded out this interface as a BNN packet.
See Configuring LLC Services for more information about the Frame Relay
Mapping Table.
Boundary Access Node (BAN)
Boundary Access Node (BAN) frames use a standard RFC 1490 “Bridged 802.5
Over Frame Relay” format. Since this is a source-routed frame, you must enable
SRB on this interface. SRB is automatically enabled when you select BAN, and
you must configure SRB. Specifically:
• If SRB has not been previously configured on the router, the SRB Global
Parameters screen appears.
• The SRB Interface Parameters screen appears for this interface.
See Configuring Bridging Services for more information on configuring SRB.
Configuring Predefined MACs and Names
Bay Networks routers in your network learn about the locations of remote
NetBIOS and SNA systems that are accessible through DLSw services in two
ways:
• Through a dynamic process, where DLSw inspects incoming frames to learn
the location of remote endstations. This is a DLSw default mechanism.
• Through static definitions where the network administrator defines the
location of NetBIOS and SNA systems attached to remote LANs. Static
definitions are never required, but may be used to reduce the amount of
broadcast messages traversing the network.
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