show interfaces

<interface-name> \| [arp \| brief \| configured \| debug per \| dhcp-lease \| slaac]	Interface name. For example, aux, lan0_0, wan0_0, primary, in‑path0_0, or lo. • arp—Displays static and dynamic ARP entries for this interface. • brief—Displays the brief running state for this interface, including the power level if you have an optical card interface installed. • configured—Displays the configuration for this interface. • debug per—Displays the debugging statistics for this interface per a user-defined duration of time. To set the duration of time for NIC statistics collection, see the interface nic_stats configure duration command. • dhcp-lease—Displays the DHCP lease for this interface. • slaac—Displays the IPv6 Stateless Address Auto-Configuration (SLAAC) setting for this interface.
brief	Displays the brief running state for all interfaces.
configured	Displays the configuration settings for all interfaces.
mtu-override	Displays the MTU sync override setting.

If you are an admin user and you have an optical interface card (NIC-1-010G-2SR-BP [#410-00302-03] or NIC-1-010G-2LR-BP [#410-00301-03]) installed on the appliance, power-level readings are displayed with the show interface <interface-name> brief command. For example: