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ZyWALL (ZLD) CLI Reference Guide 337

CHAPTER 45

Packet Flow Filter

This chapter covers how to use the packet flow filter feature.

45.1 Packet Flow Filter

Use the packet flow filter to troubleshoot firewall rules and policy routes when specific packets you

expect to go through the ZyWALL do not.

45.2 Packet Flow Filter Commands

The following table identifies some common values used in packet-flow commands. Other input

values are discussed with the corresponding commands.

The following table lists the commands that you can use to have the ZyWALL display how the

firewall and policy routes handle certain traffic. Use the configure terminal command to be able to

use the commands that configure settings.

Table 202 Packet Flow Filter Command Input Values

LABEL DESCRIPTION

pf_filter_num_range The filter number to be displayed.

1 ~ 3 depending on the product.

pf_cpu_core_num The CPU core number of packet buffer to be displayed. This is not necessary for

single-core products. For multi-core products the number ranges from 1 to the

model’s limit.

Table 203 Packet Flow Filter Commands

COMMAND DESCRIPTION

packet-flow filter

pf_filter_num_range

Enters sub-command mode for configuring the specified packet flow filter.

[no] enable Enables or disables the packet flow filter you are configuring.

[no] source {any|ipv4} Sets the source address to any address or a specific IPv4 address.

[no] destination {any|ipv4} Sets the destination address to any address or a specific IPv4 address.

[no] host {any|ipv4} Sets the source address to any address or a specific IPv4 address.

[no] protocol {any|<1..255>} Sets the filter to work on any protocol’s traffic or a specific one.

[no] src-port

{any|<1..65535>}

Sets the source port to any address or a specific port number.

[no] dst-port

{any|<1..65535>}

Sets the destination port to any address or a specific port number.

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