44
Packet Flow Explore
This chapter covers how to use the packet flow explore feature.
44.1 Packet Flow Explore
Use this to get a clear picture on how the ZyWALL 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 the related problems.
44.2 Packet Flow Explore Commands
The following table lists the commands that you can use to have the ZyWALL display routing and SNAT related settings.
Table 201 Packet Flow Explore Commands
COMMAND | DESCRIPTION |
show route order | Displays the order of routing related functions the ZyWALL checks for packets. |
| Once a packet matches the criteria of a routing rule, the ZyWALL takes the |
| corresponding action and does not perform any further flow checking. |
|
|
show system snat order | Displays the order of SNAT related functions the ZyWALL checks for packets. |
| Once a packet matches the criteria of an SNAT rule, the ZyWALL uses the |
| corresponding source IP address and does not perform any further flow |
| checking. |
|
|
show system route | Displays activated policy routes. |
show system route | Displays activated |
show system route | Displays activated |
show system route | Displays activated dynamic VPN rules. |
show system route | Displays the default WAN trunk settings. |
trunk |
|
show ip route | Displays activated |
show system snat | Displays activated policy routes which use SNAT. |
show system snat | Displays activated NAT rules which use SNAT. |
show system snat | Displays activated activated NAT rules which use SNAT with NAT loopback |
| enabled. |
|
|
show system snat | Displays the default WAN trunk settings. |
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