ZyXEL Communications VMG1312-B Series, Руководство пользователя

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Chapter 11 Network Address Translation (NAT)
VMG1312-B Series User’s Guide
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11.4.1 Add/Edit Port Triggering Rule
This screen let s you creat e new port t riggering rules. Click Add ne w r u le in t he Por t Tr igge r ing
screen or click a rule’s Edit icon t o open t he following screen.
Figure 79 Port Triggering: Add/ Edit
The following t able describes t he labels in t his screen.
Open St art Port The open port is a port ( or a range of port s) t hat a server on t he WAN uses when it sends
out a part icular service. The Device forwar ds t he t raffic w it h t his port ( or range of port s) t o
t he client com put er on t he LAN t hat r equest ed t he ser vice.
This is t he fir st por t num ber t hat ident ifies a service.
Open End Port This is t he last port num ber t hat ident ifies a service.
Open Pr ot o. This is t he open t ranspor t layer pr ot ocol.
Modify Click t he Edit icon t o edit t his rule.
Click t he D e le t e icon t o delet e an exist ing rule.
Table 55 Net work Set t ing > NAT > Port Triggering ( cont inued)
LABEL DESCRIPTION
Table 56 Port Triggering: Configurat ion Add/ Edit
LABEL DESCRIPTION
Act ive Select t he check box t o enable t his rule.
Service Nam e Ent er a nam e t o ident ify t his rule using keyboard charact ers ( A- Z, a- z, 1- 2 and so on) .
WAN I nt er face Select a WAN int er face for w hich you want t o configure port t riggering rules.
Trigger St art
Port The t rigger port is a port ( or a range of port s) t hat causes ( or t riggers) t he Device t o record
t he I P address of t he LAN com put er t hat sent t he t raffic t o a server on t he WAN.
Type a port num ber or t he st art ing por t num ber in a range of por t num ber s.
Trigger End
Port Type a port num ber or t he ending port num ber in a range of port num bers.
Trigger Prot ocol Select t he t ransport layer pr ot ocol fr om TCP , UD P , or TCP/ UD P .