Juniper Networks EX4200 User Manual

Page 194

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Setting the Mode on an SFP+ Uplink Module (CLI Procedure)

SFP+ uplink modules are supported on EX3200 and EX4200 switches. You can use
these uplink modules either for two SFP+ transceivers or four SFP transceivers. You
configure the operating mode on the module to match the type of transceiver you
want to use—that is, for SFP+ transceivers, you configure the 10-gigabit operating
mode, and for SFP transceivers, you configure the 1-gigabit operating mode.

By default, the SFP+ uplink module operates in the 10-gigabit mode and supports
only SFP+ transceivers. If you have not changed the module from the default setting
and you want to use SFP+ transceivers, you do not need to configure the operating
mode.

To set the operating mode of an SFP+ uplink module:

Change the operating mode to the appropriate mode for the transceiver type
you want to use by using one of the following commands:

[edit]
user@switch# set chassis fpc 0 pic 1 sfpplus pic-mode 1g

[edit]
user@switch# set chassis fpc 0 pic 1 sfpplus pic-mode 10g

If the switch is running:

■

JUNOS Release 10.1 or later, the changed operating mode takes effect
immediately unless a port on the SFP+ uplink module is a Virtual Chassis
port (VCP). If any port on the SFP+ uplink module is a VCP, the changed
operating mode does not take effect until the next reboot of the switch.

NOTE: During the operating mode change, the Packet Forwarding Engine is restarted.
In a Virtual Chassis configuration, this means that the Flexible PIC Concentrator
connection with the master is dropped and then reconnected.

■

JUNOS Release 10.0 or earlier, reboot the switch.

You can see whether the operating mode has been changed to the new mode you
configured by issuing the

show chassis pic fpc-slot slot-number pic-slot 1

command.

EX3200

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