Switch User's Manual

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Internet Protocol version 4 (IPv4)
The protocol used to format packets for the
Internet and many enterprise networks. IPv4
provides packet routing and reassembly.
Internet Protocol version 6 (IPv6)
An improved version of the IP protocol. IPv6
improves the IPv4 limitations of security and user
address numbers.
Internetwork Packet Exchange (IPX)
A network layer protocol. IPX is similar to IP but
does not guarantee packet delivery.
interswitch trunking (IST)
A feature that uses one or more parallel
point-to-point links to connect two aggregation
switches. The two aggregation switches use this
channel to share information and operate as a
single logical switch. Only one interswitch trunk
can exist on each Split Multilink Trunking (SMLT)
aggregation switch.
internal spanning tree (IST)
Runs in a given multiple spanning tree (MST)
region. Within an MST region, you can configure
multiple spanning instances. Instance 0 within a
region is the IST.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
.