Lexmark IBM 9077 manual GRF Interface Name, Physical Interface Numbering on the Fddi Media Card

Models: IBM 9077

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PortSNMP

FDDI media card

A0

A1

B0

B1

0

1

 

 

1

2

 

 

2

3

 

 

3

4

Figure 47. Physical Interface Numbering on the FDDI Media Card

The diagram shows physical interface numbering to be 0-based (0–3), whereas SNMP numbering is 1-based (1–4).

4.4.4 GRF Interface Name

The GRF interface name has five components that describe an individual FDDI interface in terms of its place on the media card and in the GRF router.

Follow the naming conventions shown in Figure 48 and keep in mind that all interface names are case sensitive and that you must use all lowercase.

g f 0 x y

1st:

always "g" for GRF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2nd:

media type, f (FDDI)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3rd:

chassis number, always "0" (zero)

 

 

 

 

 

 

 

 

 

 

4th:

slot number in hex

 

 

 

 

 

 

 

 

 

 

 

 

5th:

logical interface number in hex

 

 

 

 

 

 

 

 

 

 

Figure 48. GRF Interface Name for FDDI Interfaces

The interface name and IP address are specified in the /etc/grifconfig.conf file.

4.4.5 Configuration Files and Profiles

Following are the steps to configure FDDI cards. They are listed here complete, although you can bring up an FDDI connection with a subset. For detailed information, see GRF Configuration Guide 1.4, GA22-7366.

Proceed as follows:

1. Identify each logical interface.

128IBM 9077 SP Switch Router: Get Connected to the SP Switch

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Lexmark IBM 9077 manual GRF Interface Name, Physical Interface Numbering on the Fddi Media Card