Hi!
I have expirienced with a weird behaviour our EX4600 switch. I add sfp+ module at port and see that this port becomes up without any cables. What is a reason?
All leds on port are green
sfp - 10GBASE SR MM JDSU PLRXPL-SC-S43-J1 850 nm
1> show interfaces xe-1/0/23
Physical interface: xe-1/0/23, Enabled, Physical link is Up
Interface index: 795, SNMP ifIndex: 690
Description: Rezerv-SAPHANA
Link-level type: Ethernet, MTU: 1514, MRU: 0, Speed: 10Gbps, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled,
Source filtering: Disabled, Flow control: Disabled, Media type: Fiber
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x4000
Link flags : None
CoS queues : 12 supported, 12 maximum usable queues
Current address: f4:a7:39:8d:e3:1a, Hardware address: f4:a7:39:8d:e3:1a
Last flapped : 2017-07-21 17:12:37 GMT-3 (00:02:47 ago)
Input rate : 0 bps (0 pps)
Output rate : 0 bps (0 pps)
Active alarms : None
Active defects : None
Interface transmit statistics: Disabled
Logical interface xe-1/0/23.16386 (Index 591) (SNMP ifIndex 691)
Flags: Up 0x4004000 Encapsulation: ENET2
Input packets : 0
Output packets: 47
> show interfaces diagnostics optics xe-1/0/23
Physical interface: xe-1/0/23
Laser bias current : 5.688 mA
Laser output power : 0.5910 mW / -2.28 dBm
Module temperature : 48 degrees C / 118 degrees F
Module voltage : 3.3230 V
Receiver signal average optical power : 0.0055 mW / -22.60 dBm
Laser bias current high alarm : Off