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110 IBM 9077 SP Switch Router: Get Connected to the SP Switch
you see the output for all eight. The input port side is reported on
first.
maint 5 -to return GRF switch statistics.
maint 7 -to clear the current collected statistics.
maint 8 -to display the ARP table for one interface or, if no interface is
specified, for all interfaces.
4.2 ATM OC-3c Configuration
This section provides information needed to configure the ATM OC-3c media
card. The GRF can be configured in point-to-point or point-to-multipoint ATM
topologies with either switches or hosts. The OC-3c media card provides two
independent physical ATM interfaces, each of which supports 110 logical
interfaces and operates at 155Mbit/s full duplex.
4.2.1 Physical and Logical ATM Interfaces
Figure 37 shows the organization of physical and logical ATM interfaces on
the ATM OC-3c media card.
Figure 37. ATM OC-3c Physical and Logical Interfaces
Physical Interfaces
The ATM OC-3c media card supports two physical interfaces, each of which
supports the assignment of 110 logical interfaces out of a range of 128.
Logical Interfaces
Logical interfaces provide a simple way of mapping many IP addresses onto
a single ATM port. A logical interface serves as the connection between ATM
and IP. Each logical interface is assigned a unique IP address in
grifconfig.conf. All interface names are case sensitive. Always use lower case
letters when defining interface names.
220/card 1024/card
Physical Interface 1
(bottom)
80-ff (range)
512
0-32767
0-511
0
1-15
Physical Interface 0
(top)
Logical Interfaces Total # of active VCsVPI VCI
0-7f (range)
512
0-32767
0-511
0
1-15