
Configuring DLSw Services
2-8 114063 Rev. A
The transparent bridge interface on the same circuit with DLSw never sees TEST
frames that contain destination SAP addresses intended for DLSw
(Figure 2-4).
However, SAP addresses intended for DLSw can pass from one local Ethernet
interface to another over DLSw. Therefore, non-DLSw SAPs will be transparently
bridged between transparent bridge interfaces while DLSw forwards SAPs
between interfaces.
You configure transparent bridge services independent of DLSw services on the
router, as appropriate for the topology of your network.
Figure 2-4. DLSw and Transparent Bridging on Ethernet/802.3 Circuits
DLSw with Translation Bridge
The router supports DLSw and translation bridge services on an Ethernet/802.3
circuit
(Figure 2-5). You configure translation bridge services independent of
DLSw services on the router, as appropriate for the topology of your network.
To an end-user system on an SRB circuit, the translation bridge looks like a source
routing bridge. To an end-user system on an Ethernet/802.3 circuit, the translating
bridge looks like a transparent bridge.
Bridge Packet
Router
Forward to DLSw
Forward to Bridge
SAP
Defined
to
DLSw?
YES
NO
DLS0029A
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