BAT54-Rail/F..
Release
7.54
06/08
11
11.14 serial interface 444
11.14.1 Introduction 444
11.14.2 System requirements 445
11.14.3 Installation 445
11.14.4 Set the serial interface to modem operation 446
11.14.5 Configuration of modem parameters 447
11.14.6 Direct entry of AT commands 449
11.14.7 Statistics 450
11.14.8 Trace output 450
11.14.9 Configuration of remote sites for V.24 WAN interfaces
450
11.14.10 Configuration of a backup connection on the serial in-
terface 452
11.14.11 Contact assignment of BAT modem adapter kit 453
11.15 Manual definition of the MTU 453
11.15.1 Configuration 454
11.15.2 Statistics 454
11.16 WAN RIP 454
11.17 The rapid spanning tree protocol 456
11.17.1 Classic and rapid spanning tree 457
11.17.2 Improvements from rapid spanning tree 457
11.17.3 Configuring the Spanning Tree Protocol 458
11.17.4 Status reports via the Spanning Tree Protocol 461
12 More services 465
12.1 Automatic IP address administration with DHCP 465
12.1.1 The DHCP server 465
12.1.2 DHCP—'on', 'off', 'auto', 'client' or 'forwarding'? 466
12.1.3 How are the addresses assigned? 467
12.2 Vendor Class and User Class Identifier on the DHCP Client 472
12.3 DNS 473
12.3.1 What does a DNS server do? 473
12.3.2 DNS forwarding 474
12.3.3 Setting up the DNS server 475
12.3.4 URL blocking 478
12.3.5 Dynamic DNS 479
12.4 Accounting 481