Packet Flow Explore; Chapter 57 Packet Flow Explore; Overview; What You Can Do In This Chapter - ZyXEL Communications ISG50-ISDN User Manual

Integrated service gateway

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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

• Use the Routing Status screen (see

and each routing function's settings.

• Use the SNAT Status screen (see

address conversion (SNAT) flow and each SNAT function's settings.

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.

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.

ISG50 User's Guide

Packet Flow Explore

Section 57.2 on page

745) to view the overall routing flow

Section 57.3 on page

750) to view the overall source IP