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2. Use the following command to set an appropriate
mode
for the network
interface on the E-MAC:
8260A> set module 2.2 interface {enable|disable|standby}
The valid
options
for this command are:
•
Enable
This option allows the network interface on the E-MAC to be activated
automatically when attached to a backplane segments. An active E-MAC
will be able to send and receive data and collect statistics about the
segment to which it is attached. An active E-MAC, when connected to a
backplane segment, assumes all the IP parameters assigned to that
segment.
•
Disable
This prevents the network interface on the E-MAC from being activated
when attached to a backplane segment.
•
Standby
This allows the E-MAC to assume the role of backup for the active
E-MAC when it is attached to a LAN segment on the backplane. The
standby E_MAC will take over from an active E-MAC on that segment,
should the active E-MAC fail. When a standby E-MAC takes over the role
of the active E-MAC on the segments, it assumes all the IP parameters
assigned to the segment. You may use this option when you have two
E-MACs attached to the same segment and want one of them to act as a
backup for the active E-MAC.
3. Assign the E-MAC to the desired segment using the following example:
8260A> set module 2.2 network ethernet_1
If you try to assign an E-MAC with
enabled
interface to a segment which
already has an active E-MAC, your command will be rejected as shown in
Figure 37.
8260A> set module 1.2 network ethernet_1
Interface module 2.2 already enabled for this network
Multiple Enabled Interface cards cannot be on the same network
Command aborted
8260A>
Figure 37. Assigning E-MAC to a Segment with an Active E-MAC
4. If you are planning to use the RMON support provided by E-MAC, you may
perform some additional steps as discussed in 10.6.4, “Collecting and
Displaying RMON Groups Using E-MAC” on page 218.
You can use the following example to obtain information about the E-MAC and
how it′s configured:
8260A> show module 1.2 verbose
Chapter 4. 8260 Distributed Management Architecture 65