14 sapfilter – Black Box LRA005A-R2 User Manual

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ASYNC ROUTER AR-P, AR-5, AND SYNC ROUTER REFERENCE MANUAL

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FILE SERVER eth0/802.3

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3.14 sapfilter

Filter SAP (service advertising protocol) packets using the SAP filter list

Syntax

sapfilter add name { [-i iface[/frame_type]]

[-q query_type]
[-s server_type]
[-n server_name] }
-t {allow | deny | nodial}
[-f {inbound | outbound}]
[-o {before | after} existing_name]
[-h {hopcount}]

sapfilter delete name
sapfilter {enable | disable}
sapfilter flush
sapfilter move
name [{before | after} existing_name]
sapfilter status

Description

The Service Advertising Protocol (SAP) exchanges services information between IPX routers and Novell
servers. Use the sapfilter command to configure and modify filters for SAP packets. If enabled, all
incoming and outgoing SAP packets can be filtered through SAP filters.

There are three IPX filter lists:

• General (filter command)

• RIP (ripfilter command)

• SAP (sapfilter command)

Packets are checked for filter matches using those three lists in that order. Filtering restrictions apply

to packets destined for the Router and those transitioning through the Router. The result of passing a
packet to the filtering module is a decision to allow or deny further processing of the packet. The next

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