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Table Of Contents
ABOUT THIS MANUAL .............................................................................. 4
1 PRODUCT OVERVIEW ............................................................................ 5
1.1 HARDWARE DETAILS ................................................................................................. 6
1.2 SOFTWARE FEATURES ............................................................................................... 9
2 INTERFACES ........................................................................................... 12
2.1 PORT CONFIGURATION ............................................................................................ 12
2.2 LAN INTERFACE ..................................................................................................... 13
2.3 DMZ INTERFACE..................................................................................................... 13
2.4 WAN INTERFACE .................................................................................................... 14
2.4.1 Static Mode ................................................................................................................................ 15
2.4.2 Dynamic Mode........................................................................................................................... 15
2.4.3 PPPoE Mode.............................................................................................................................. 16
3 DHCP, DNS AND TIME .......................................................................... 18
3.1 DHCP...................................................................................................................... 18
3.1.1 DHCP Server ............................................................................................................................. 18
3.1.2 DHCP Static Mapping ............................................................................................................... 19
3.1.3 DHCP Relay............................................................................................................................... 20
3.2 DNS PROXY ............................................................................................................. 21
3.3 TIME ........................................................................................................................ 22
4 ROUTING.................................................................................................. 23
4.1 STATIC ROUTING ..................................................................................................... 24
4.2 DYNAMIC ROUTING.................................................................................................. 24
4.3 ROUTING TABLE ...................................................................................................... 26
4.4 POLICY BASED ROUTING ......................................................................................... 26
5 HIGH AVAILABILITY............................................................................ 28
5.1 AUTO BACKUP.......................................................................................................... 28
5.2 LOAD BALANCING.................................................................................................... 29
5.3 ETHERNET LINK DETECTION................................................................................... 29
6 NETWORK ADDRESS TRANSLATION ............................................... 31
6.1 NAT......................................................................................................................... 31
6.1.1 NAT Interface Configuration ..................................................................................................... 31
6.1.2 NAT Configuration..................................................................................................................... 32
6.1.3 NAT Exception ........................................................................................................................... 32
6.2 VIRTUAL SERVER..................................................................................................... 33
6.3 SIP-ALG ................................................................................................................. 34
6.4 NAT TABLE ............................................................................................................. 35
7 FIREWALL ............................................................................................... 36
7.1 FIREWALL POLICIES................................................................................................ 36