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PACKET FILTER OPCODES,

 

 

EXAMPLES, AND SYNTAX ERRORS

This appendix:

Describes the specific opcodes you can use when creating a packet filter

Provides numerous examples of commonly used packet filters

Describes the possible syntax errors you might receive when loading a packet filter

 

For information on creating and using packet filters, see Chapter 12.

 

 

Opcodes

Opcodes are instructions used in packet filter definitions. The available

 

opcodes are described in this section:

name “<name>”

Description:

Assigns a user-defined <name> to the packet filter. The name may be any sequence of ASCII characters other than quotation marks. The name is limited to 32 characters. Only a single name statement can be included in a packet filter program.

Storage Needed:

2 + n bytes of packet filter storage where n is the length of the <name>

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3Com 2200 manual Packet Filter Opcodes, Opcodes are described in this section, Name name