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10 Dell PowerVault 7x0N Systems — Connecting to ATM and FDDI Networks
Interpreting the output: Verify that each of the ELANs on the network appears in the
output, and that the LAN Type and LES ATM addresses appear as expected. There
should be a separate line for each configured ELAN on the network, grouped and
arranged for each ATM adapter that is installed in the filer.
If a separate line fails to appear for each configured ELAN, grouped by adapter, you
need to go back to the ATM switch and make sure that each of the ELANs is properly
configured. The documentation that came with your switch should help you with this.
An arrow appearing to the left of an ELAN signifies that the ATM adapter has been
configured to operate on that ELAN. The lack of an arrow along with a LAN Type of
/>. signifies that the adapter has not yet joined the ELAN. Information about
configuring adapters to operate on an ELAN is in “Configuring the ATM Adapter for an
ELAN,” found later in this document.
Check that the LES ATM address appears valid. If this is the case, you know that the
ATM adapter in the filer is communicating properly with the switch. If the LES ATM
address is all zeros, it might mean that the cable connection is not working, or that
something else is improperly configured at the switch.
Finally, ensure that the LECS ATM address matches the address that you specified
earlier in “Setting the LECS Address,” found earlier in this document.
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You must configure the ATM adapter to enable it to operate on one or more ELANs.
Before doing so, however, you must configure the LECS ATM address for each
adapter, as described in “Configuring the LECS Address,” found earlier in this docu-
ment. In most cases, the LECS is set to the well-known address, although this might
be different for your network. Also, the ELAN you specify must already have been
configured at the switch.
To configure the LECS address, perform the following steps:
1. Add an ELAN to the adapter.
2. Configure the emulated Ethernet interface.
3. Add additional ELANs to the adapter, if required.
4. Correct ELAN addition mistakes, if necessary.
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