Helpful Scripts
Helpful Scripts Page 3
Revision 5.8.7; 5 April 2001
Contents
1. Quick Command Reference ........................................................................................................ 5
1.1. Configurations...................................................................................................................... 5
1.2. Filing, Reboots, and Feature Licences................................................................................. 5
1.3. Command Actions................................................................................................................ 5
1.4. Upgrade Process .................................................................................................................6
1.5. Generating an Encryption Key ............................................................................................. 6
2. PPP over ISDN and DDS ............................................................................................................ 7
2.1. PPP over DDS for a Private network.................................................................................... 7
2.2. PPP over DDS for Internet Access ...................................................................................... 8
2.3. PPP over DDS for Internet (NAT to SMTP Server) and Private networks ............................ 9
2.4. PPP over ISDN Private network......................................................................................... 10
2.5. PPP over ISDN Internet Access......................................................................................... 11
2.5.1. Example 2.5 with 2 B channels always up.................................................................. 12
2.5.2. Example 2.5 with Cisco's at the ISP ........................................................................... 12
2.6. PPP over ISDN Internet and Private networks ................................................................... 13
3. Time Division Muliplexing (TDM) ............................................................................................... 14
4. Frame Relay.............................................................................................................................. 15
4.1. Standard Frame Relay for LMI REV 1................................................................................ 15
4.2. Standard Frame Relay ISP Access.................................................................................... 16
4.3. Standard Frame Relay for LMI AnnexD ............................................................................. 17
4.4. Logical interfacing to Frame Relay, Internet connection via ISP with Private Network ....... 18
4.4.1. OSPF on the private network, 4.4 continued .............................................................. 19
5. Firewall Configs ......................................................................................................................... 21
5.1. Simple Firewall over PPP with internal mail server............................................................. 21
5.1.1. PINGING, Email notification, accounting, and logging................................................ 22
5.1.2. Internet Access to Firewall Router.............................................................................. 22
5.2. Private Frame Relay with Firewall on ISP Internet PVC ..................................................... 22
5.3. Firewall over PPP with a Public and private IP range multi-homed on the LAN (Pseudo
DMZ) 24
5.4. Firewall over PPP with Private IP addesses only on the LAN............................................. 25
5.5. Firewall with ADSL............................................................................................................. 26
5.6. Firewall over PPP with a DMZ LAN.................................................................................... 27
5.7. Firewall over Frame Relay with (Dynamic IP) for Internet access. "Mailing bagging" ......... 28
6. VPN........................................................................................................................................... 29
