Avaya Configuring Routers and Protocols Instrukcja Użytkownika Pobierz pdf (Strona 13)

Documentation Roadmap (308665-15.2 Rev 00) 13

Configuring DLSw Services

Data link switching (DLSw) provides the following services:

• Transports connection-oriented SNA and NetBIOS data across a network

• Prevents sessions from timing out due to slow network response time

• Reroutes traffic around failed links

• Improves response time by reducing network overhead

• Interconnects multiple locations without requiring a network manager to reconfigure existing

bridges

This manual describes how to configure DLSw services on a Nortel Networks router.

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Configuring LLC Services

Logical Link Control (LLC) enables SNA devices and NetBIOS PCs to establish sessions through

a LAN topology. LLC also adds higher-layer sequencing and error control in bridged LAN

environments. The Nortel Networks implementation of the LLC protocol consists of LLC class 1

(LLC1), a connectionless delivery service, and LLC class 2 (LLC2), a connection-oriented service.

Most protocols use LLC1, but LAN Network Manager (LNM) servers, data link switching

(DLSw) services, and Advanced Peer-to-Peer Networking (APPN) require LLC2. This manual

describes how to configure LLC services on a Nortel Networks router.

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Configuring LNM Services

LAN Network Manager (LNM) manages multisegment 802.5/token ring networks. Network

administrators can use LNM to monitor a single LAN or a group of LANs. LNM can also

communicate with the IBM NetView host-based network management product. This enables a

NetView administrator to access certain operating capabilities of the LNM. This manual describes

how to configure LNM services on a Nortel Networks router.

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Configuring SDLC Services

Synchronous Data Link Control (SDLC) is the synchronous, bit-oriented link control protocol in

the IBM Systems Network Architecture (SNA). SDLC is not a peer-to-peer protocol like frame

relay; SDLC networks consist of a primary station that controls all communication and one or

more secondary stations. For example, a mainframe in Los Angeles may support a multidrop line

with controllers connected to drops in offices in Boston, New York, and Washington. This manual

describes how to configure SDLC services on a Nortel Networks router.

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Avaya Configuring Routers and Protocols Instrukcja Użytkownika Strona 13