Avaya Cajun P882 User Manual page 498

Multiservice switch

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The supported Ethernet versions are:

Ethernet SNAP

The Avaya P550R/P580/P880/P882 Multiservice switch supports the

following AppleTalk protocols:

AppleTalk Address Resolution Protocol (AARP)

This is an AppleTalk support protocol that maps the

hardware address of an AppleTalk node to an Appletalk

protocol address.

Routing Table Maintenance Protocol (RTMP)

This protocol maintains information about AppleTalk

addresses and connections between different networks.

Specially, it tells each router to:

Learn a new route to other routers

Delete a route if the local router has not broadcast that

route to the network for a certain period of time.

Name-Binding Protocol (NBP)

This protocol translates alphanumeric entity names to

AppleTalk addresses. NBP maintains a table of node addresses

and entities within each node. Because each node also

maintains it own list of named entities, the name directory

within an AppleTalk network is not centralized. The names

directory database is distributed among all nodes on the

intranetwork.

Datagram Delivery Protocol (DDP)

This protocol transfers data in packets called datagrams.

AppleTalk Echo Protocol (AEP)

This protocol is used to send datagrams to other nodes in the

network. The transmitted AEP datagram causes the

destination node to return, or echo, that datagram to the

sending node. This protocol determines whether a node is

accessible before any sessions are started, and it enables users

to estimate the round-trip delay time between nodes.

Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1

P550r P580 P880