Avaya Configuring DLSw Services Manual de usuario descargar pdf (Pagina 25)

Data Link Switching Overview

1-3

DLSw runs on all Bay Networks router platforms using local and wide area

network facilities, including

• LAN media, including Ethernet, Token Ring, and Frame Relay

• Other LAN media using SRB formats over Ethernet, FDDI, SMDS, Frame

Relay, and Point-to-Point (PPP) protocols

• SDLC links in point-to-point and multipoint conﬁgurations

You can use DLSw services to support connections between SNA and NetBIOS

systems on one type of network (such as Token Ring/802.5) and systems on

different types of networks (such as Frame Relay).

DLSw Single and Dual Switch-to-Switch Services

Bay Networks routers that you conﬁgure to support DLSw services can operate in

two modes:

• A DLSw single-switch conﬁguration involving a single local router with two

(or more) interfaces conﬁgured for DLSw.

• A DLSw dual switch-to-switch conﬁguration involving paired routers each

connected to an intervening TCP/IP network.

A Bay Networks router simultaneously supports both single- and dual-switch

operation. Figure 1-1 illustrates DLSw single-switch and dual switch-to-switch

networks.

Note:

In this manual, the term LAN refers to all source-route-bridge types of

LANs and transparent-bridge Ethernet/802.3 LANs. Source-route-bridge

LANs include, but are not limited to, Token Ring/802.5, FDDI, Ethernet/802.3,

SMDS, Frame Relay, and other synchronous media protocols. See

Conﬁguring

Bridging Services

for more information on the media that source route

bridging supports.

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Avaya Configuring DLSw Services Manual de usuario Pagina 25