Product Overview 1-23
Physical Description
Table 1-5 lists the maximum number of AIP modules supported on Cisco 7000 series routers. There
are no restrictions on slot locations or sequence; an AIP can be installed in any available interface
processor slot.
Table 1-5 Maximum AIP Modules by Chassis Model
Note Traffic from multiple ATM network interfaces could theoretically exceed the bandwidth of
the CxBus. This would cause packets to be dropped. As a practical limit, Cisco 7000 series routers
can contain up to two AIP modules per chassis.
The AIP supports the following features:
• Multiple rate queues.
• Reassembly of up to 512 buffers simultaneously. Each buffer represents a packet.
• Support for up to 2,048 virtual circuits.
• Support for both ATM Adaptation Layer (AAL) 5 and AAL3/4.
Note AAL3/4 is not supported in the initial release of Cisco IOS Release 10.0. AAL3/4 is
supported with Cisco IOS Release 10.2 and later.
• Exception queue, which is used for event reporting. Events such as CRC errors are reported to
the exception queue.
• Raw queue, which is used for all raw traffic over the ATM network. Raw traffic includes
operation and maintenance (OAM) cells and Interim Local Management Interface (ILMI) cells.
(ATM signaling cells are not considered raw.)
Chassis
Maximum AIP
Modules
Cisco 7000 (7-slot system) 5
Cisco 7010 (5-slot system) 3
H2337
UNI 155
U111, microcode ROM
TX RX
ENABLED
RX Carrier
RX Cells
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