Enable x.25 routing, Example: x.25 route address pattern matching – AIS Router AI2524 User Manual

Page 288

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AI2524 Router Card User’s Manual

Page 12-30

August 1997

2524UM

The X.25 switching subsystem supports these facilities and parame
ters:

z

D-bit negotiation—Data packets with the D-bit set are passed
through transparently

z

Variable-length interrupt data

z

Flow control parameter negotiation

z

Window size up to 7, or 127 for modulo 128 operation

z

Packet size up to 4096, if the LAPB layers used are capable of han-
dling the requested siz

z

Basic closed user group selection

z

Throughput class negotiation

z

Reverse charging and fast select

To configure X.25 routing, perform these tasks:

z

Enable X.25 Routing

z

Configure a Local X.25 Route

z

Configure XOT (Remote) X.25 Rout

z

Configure a Locally Switched PVC

z

Configure an XOT (Remote) PVC

You may also need to configure additional X.25 routing features, as re-
quired for your network.

Enable X.25 Routing

In global configuration mode, enable X.25 routing to use local switch-
ing or XOT by typing:

x25 routing [use-tcp-if-defs]

The

use-tcp-if-defs

keyword is used by some routers that re

ceive remote routed calls from older versions of XOT; it might be
needed if the originating router cannot be migrated to a new softwar
release.

Example: X.25 Route Address Pattern Matching

This example shows how to route X.25 calls with addresses whos
first four Data Network Identification Code (DNIC) digits are 1111 to
interface serial 3, and to change the DNIC field in the addresses pre
sented to the equipment connected to that interface to 2222. The \1 in

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