AIS Router AI2524 Bedienungsanleitung PDF herunterladen (Seite 334)

100

101

AI2524 Router Card User’s Manual

Page 13-18 August 1997

2524UM

Customize Frame

Relay for Your

Network

Perform these tasks to customize Frame Relay:

Configure Frame Relay Subinterfaces

Configure Frame Relay Switching

Disable or Reenable Frame Relay Inverse ARP

Create a Broadcast Queue for an Interface

Configure Payload Compression

Configure TCP/IP Header Compression

Configure Discard Eligibility

Configure DLCI Priority Levels

Configure Frame Relay Subinterfaces

To understand and define Frame Relay Subinterfaces, perform these

tasks:

Understand Frame Relay Subinterfaces

Define Frame Relay Subinterfaces

Define Subinterface Addressing

After these tasks are completed, you can also perform these optional

tasks:

Configure Transparent Bridging for Frame Relay

Configure a Backup Interface for a Subinterface

Understand Frame Relay Subinterfaces

Frame Relay subinterfaces provide a mechanism for supporting par-

tially meshed Frame Relay networks. Most protocols assume transitiv-

ity on a logical network; that is, if station A can talk to station B, and

station B can talk to station C, then station A should be able to talk to

station C directly. Transitivity is true on LANs, but not on Fram

Relay networks unless A is directly connected to C.

Additionally, certain protocols such as transparent bridging cannot b

supported on partially meshed networks because they require "split

horizon," in which a packet received on an interface cannot be trans

mitted out the same interface even if the packet is received and trans

mitted on different virtual circuits.

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