Alcatel-Lucent OmniSwitch 6800 Series Network Configuration Manual page 491

Configuring IPX
IPX is associated with additional protocols built into the switch software. The switch supports the follow-
ing IPX protocols:
IPX RIP
•
— Layer 3 protocol used by NetWare routers to exchange IPX routing information. IPX RIP
functions similarly to IP RIP. IPX RIP uses two metrics to calculate the best route, hop count and ticks.
An IPX router periodically transmits packets containing the information currently in its own routing
table to neighboring IPX RIP routers to advertise the best route to an IPX destination.
•
SAP—Layer 3 protocol used by NetWare routers to exchange IPX routing information. SAP is similar
in concept to IPX RIP. Just as RIP enables NetWare routers to exchange information about routes, SAP
enables NetWare devices to exchange information about available network services. NetWare worksta-
tions use SAP to obtain the network addresses of NetWare servers. IPX routers use SAP to gather
service information and then share it with other IPX routers.
•
Sequenced Packet Exchange (SPX)—Transport-layer protocol that provides a reliable end-to-end
communications link by managing packet sequencing and delivery. SPX does not play a direct role in
IPX routing; it simply guarantees the delivery of routed packets.
OmniSwitch 6800/6850/9000 Network Configuration Guide March 2008
IPX Overview
page 24-5