
2-1
Chapter 2
DLSw Implementation Notes
This chapter provides information on DLSw configurations, support protocols,
and performance when configuring and customizing DLSw services on your
network. It includes
• Source route bridge topologies
• Parallel data paths
• Multiple DLSw peers on a LAN
• DLSw and bridging services
• Memory requirements
• TCP considerations
• Flow control
• Performance
Source Route Bridge Topologies
This section describes how to count LAN and bridge elements along any DLSw
connection path that passes through source-route-bridge (SRB) LANs (such as
Token Ring/802.5) on either side of the TCP/IP network.
The physical elements in this path are the SRB LANs and the bridges between
LANs. The logical elements (implemented in router software) are the IP Virtual
Ring, the internal LANs, and the DLSw bridges. You must count all LAN and
bridge elements in a path to avoid exceeding
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