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Port Adapter Installation Prerequisites
This section provides software requirements, a list of parts and tools you will need to perform the
port adapter installation, and safety and ESD-prevention guidelines to help you avoid injury and
damage to the equipment during installation. Also included is information on the systems in which
port adapters can be installed and overview information on interface specifications. The following
sections discuss general information and information about port adapter installation requirements:
•
Software and Hardware Requirements
•
Verifying Full-Duplex Port Adapter Capability in Your Router
•
List of Parts and Tools, page 4
•
Safety Guidelines, page 4
•
FDDI Overview, page 6
•
Optical Bypass Overview, page 8
•
FDDI Full-Duplex Overview, page 9
•
FDDI Specifications, page 9
Software and Hardware Requirements
The full-duplex FDDI port adapters (PA-F/FD-SM and PA-F/FD-MM) require that the host
Cisco 7000 series or Cisco 7500 series router is running Cisco IOS Release 11.1(6)CA, or later.
Caution
installed. The VIP2 will not operate properly with the Route Processor (RP), Switch Processor (SP),
or Silicon Switch Processor (SSP) installed in the Cisco 7000 series router.
Note
to ensure adequate buffers when two FDDI port adapters, one FDDI and one 4T, or one FDDI and
one 4R port adapter are installed on a VIP2. We recommend the VIP2-20 (with 1 MB of SRAM and
16 MB of DRAM) for use with any combination of two of these port adapters on a VIP2. The
minimum recommended VIP2 model is a VIP2-10 (with 512 KB of SRAM and 8 MB of DRAM),
if you only have one FDDI port adapter on a VIP2.
Verifying Full-Duplex Port Adapter Capability in Your Router
The PA-F/FD-SM and PA-F/FD-MM FDDI port adapters support full-duplex operation. (The
PA-F-SM and PA-F-MM FDDI port adapters do not support full-duplex operation.) To determine
which FDDI port adapters are installed in your system, use the show diagbus command and verify
that the PA-F/FD-SM or PA-F/FD-MM port adapters are installed. (For an example of the
show diagbus command, refer to the section "Using show Commands to Display Interface
Information," which begins on page 29.)
If you discover that you do not have the appropriate Cisco IOS release and PA-F/FD-SM or
PA-F/FD-MM full-duplex FDDI port adapters installed on your VIP2, you cannot configure your
full-duplex operation. You require a minimum Cisco IOS release and PA-F/FD-MM or
PA-F/FD-SM for full-duplex operation. For specific full-duplex configuration requirements, refer to
the section "Configuring Full-Duplex Operation" on page 27.
The VIP2 requires that the Cisco 7000 series router has the RSP7000 and RSP7000CI
The maximum transmission unit (MTU) sizes available might require additional VIP2 SRAM
PA-F/FD-SM and PA-F/FD-MM Full-Duplex FDDI Port Adapter Installation and Configuration
Port Adapter Installation Prerequisites
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