Using a Sarian with WWAN

Introduction to …

Using a Sarian with Wireless WAN (WWAN)

Table of Contents

1.0 Sarian Concepts. 4

1.1 Hardware Overview.. 4

1.2 The boot process. 4

1.3 Logging and Tracing. 4

2.0 PPP and GPRS.. 6

2.1 Introduction to PPP.. 6

2.2 PPP Operating Modes. 6

2.3 PPP Parameters. 6

2.4 GSM / GPRS Module. 7

2.5 Essential PPP parameters. 9

2.6 Tracing a PPP negotiation. 10

2.7 The MC45 monitor 10

2.8 Internet and private APNs. 10

2.9 Private and Public IP addresses. 10

2.10 GPRS and Edge. 10

3.0 Routing. 13

3.1 Ethernet Interface. 13

3.2 DHCP Server 13

3.4 Metrics. 15

3.5 Out of service timer 15

3.6 Always on Interface. 15

3.8 Dynamic Routes by Authentication. 15

3.9 Tracing IP traffic. 15

3.10 E-Routes. 16

4.0 Firewall 17

5.0 Automatic GPRS Recovery. 25

5.1 Problem detection. 25

5.2 GPRS Module Power Cycle. 25

5.3 Statefule Rule Inspection. 26

5.4 Automatic PPP PING.. 26

5.5 Sarian Unit Reboot 26

5.6 Thinish Image. 27

5.7 Reboot by SMS.. 27

6.1 What is VRRP ?. 28

6.2 What is VRRP+ ?. 28

6.3 VRRP Definitions. 28

6.4 VRRP Operation. 29

6.5 VRRP Interoperability. 29

6.6 VRRP Implementation. 29

6.7 VRRP+ Implementation. 31

7.0 Configuration Essentials. 33

7.1 Configuration Files. 33

7.2 General Page. 34

7.3 Users Page.