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Contents
N0008589 3.3
Chapter 37
Configuring NAT (Network Address Translation) . . . . . . . . . . . . . . . . . . . 737
Static NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 737
Dynamic NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 737
NAT and IP Firewall filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 738
Managing Business Communications Manager . . . . . . . . . . . . . . . . . . . . . . . . . 738
Enabling and disabling NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 738
Configuring an Interface with NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 739
Adding Default rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 739
Adding a Rule to an interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 740
Modifying a Rule to an Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 741
Configuring NAT to change the source IP address used for WAN traffic . . . . . . 742
Deleting a Rule to an Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 742
Configuring the Rule order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 742
Examples of common NAT configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 743
Example 1: Using a static Public IP address . . . . . . . . . . . . . . . . . . . . . . . . 743
Example 2: Using dynamic Public IP address . . . . . . . . . . . . . . . . . . . . . . . 744
Example 3: Changing the source IP address of WAN traffic . . . . . . . . . . . . 745
Chapter 38
Configuring NTP Client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 749
Configuring the NTP Client settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750
Starting the NTP Client Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 751
Manually updating the Business Communications Manager time . . . . . . . . . . . . . . . 752
Chapter 39
Virtual Private Networks (VPN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 753
PPTP tunnel notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 753
IPSec tunnel modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754
PPTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754
Settings required for PPTP tunnels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755
NAT (Network Address Translation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755
QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755
IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755
IP Addresses and DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 756
DNS Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 756
Changing the PPTP settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 756
Adding a PPTP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 757
Deleting a PPTP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758
Adding a PPTP tunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758
Configuring a PPTP tunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 759
Add a Destination Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 762
Summary of Contents for BCM 3.7
Page 4: ...4 Software licensing N0008589 3 3...
Page 32: ...32 Contents N0008589 3 3 W 937 Index 939...
Page 46: ...46 Tables N0008589 3 3...
Page 64: ...64 How to get help N0008589 3 3...
Page 90: ...90 Manually activating Telnet N0008589 3 3...
Page 116: ...116 Delayed system restart N0008589 3 3...
Page 194: ...194 Configuring a data module N0008589 3 3...
Page 276: ...276 Setting line telco features N0008589 3 3...
Page 310: ...310 Using COS passwords N0008589 3 3...
Page 364: ...364 Enhanced 911 E911 configuration N0008589 3 3...
Page 380: ...380 Renumbering DNs N0008589 3 3...
Page 398: ...398 Saving wizard pages on your computer N0008589 3 3...
Page 458: ...458 Voice Mail settings N0008589 3 3...
Page 488: ...488 Setting system telco features N0008589 3 3...
Page 508: ...508 Other programming that affects public networking N0008589 3 3...
Page 522: ...522 PRI networking using Call by Call services N0008589 3 3...
Page 592: ...592 Monitoring Hunt groups N0008589 3 3...
Page 636: ...636 Configuring Double Density N0008589 3 3...
Page 640: ...640 Using the Network Update Wizard N0008589 3 3...
Page 666: ...666 Importing and Exporting DHCP data N0008589 3 3...
Page 722: ...722 Restarting the router N0008589 3 3...
Page 726: ...726 Important Web Cache considerations N0008589 3 3...
Page 748: ...748 Configuring an Interface with NAT N0008589 3 3...
Page 794: ...794 IPSec N0008589 3 3...
Page 818: ...818 Configuring the Policy Agent characteristics N0008589 3 3...
Page 832: ...832 Firewall rules for Business Communications Manager with Dialup interfaces N0008589 3 3...
Page 876: ...876 ISDN Programming N0008589 3 3...
Page 1004: ...1004 Index N0008589 3 3...