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18 Dell PowerVault 7x0N Systems — Connecting to ATM and FDDI Networks
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This section describes how to configure ATM PVCs.
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ATM supports two types of SPANS connections: SVCs and PVCs.
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The filer dynamically assigns SVCs when interoperating with ATM hosts and with
switches that support the FORE/IP over SPANS protocols.
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You use ATM PVCs to interoperate with ATM hosts and with switches that do not sup-
port FORE/IP over SPANS. For example, if you are not using a FORE systems switch,
PVCs can connect FORE equipment at each end through non-FORE switches.
Data ONTAP currently supports only FORE/IP 5.3. The following differences from pre-
vious versions are significant:
The name of a SPANS interface in Data ONTAP 5.3 is fa
n
(where
n
is a number);
in previous versions of Data ONTAP it was a
n
. This means that you must change
the interface names in your /etc/rc and /etc/hosts files.
In Data ONTAP 5.3, you use the new command atmconfig to configure PVCs.
For further information about the differences between FORE/IP 5.3 and older ver-
sions, consult FORE documentation.
ATM card
duplex fiber
optic cable
65CNPbk0.book Page 18 Monday, September 13, 1999 1:43 PM