ZyXEL Communications ISG50 User Manual
ISG50 User’s Guide
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Packet Flow Explore
57.1 Overview
Use this to get a clear picture on how the ISG50 determines where to forward a packet and how to
change the source IP address of the packet according to your current settings. This function
provides you a summary of all your routing and SNAT settings and helps troubleshoot any related
problems.
change the source IP address of the packet according to your current settings. This function
provides you a summary of all your routing and SNAT settings and helps troubleshoot any related
problems.
57.1.1 What You Can Do in this Chapter
) to view the overall routing flow
and each routing function’s settings.
) to view the overall source IP
address conversion (SNAT) flow and each SNAT function’s settings.
57.2 The Routing Status Screen
The Routing Status screen allows you to view the current routing flow and quickly link to specific
routing settings. Click a function box in the Routing Flow section, the related routes (activated)
will display in the Routing Table section. To access this screen, click Maintenance > Packet
Flow Explore.
routing settings. Click a function box in the Routing Flow section, the related routes (activated)
will display in the Routing Table section. To access this screen, click Maintenance > Packet
Flow Explore.
The order of the routing flow may vary depending on whether you:
• select use policy route to override direct route in the CONFIGURATION > Network >
Routing > Policy Route screen.
• use policy routes to control 1-1 NAT by using the policy control-virtual-server-rules
activate
command.
• select use policy routes to control dynamic IPSec rules in the CONFIGURATION > VPN >
IPSec VPN > VPN Connection screen.