Hi Graham,

These are 3rd party.  I was told that by my SE that the platform fully supports 
3rd party optics... not that that really means anything :)

> On Jul 18, 2016, at 4:38 PM, Graham Brown <[email protected]> 
> wrote:
> 
> Hi Jason,
> 
> Are these SFPs Juniper supplied or third party? Over the years there have 
> been many documented issues with Base-T SFPs, where you lose physical and 
> they report as being up.
> 
> IIRC, the Juniper supplied SFPs are ok and I have tested third party ones 
> that do work, but it's a little hit and miss.
> 
> NB: I have not tested the EX9200.
> 
> HTH,
> Graham
> 
> Graham Brown
> Twitter - @mountainrescuer
> LinkedIn
> 
> On 19 July 2016 at 08:04, Jason Lixfeld <[email protected]> wrote:
> Hey there,
> 
> I’m messing around with a lab EX9204 with a EX9200-40x1G-SFP running 14.2R4.9
> 
> I’ve got two ports (on the same box) connected together with 10/100/1000T 
> SFPs in each.
> 
> [email protected]# show interfaces | display set
> set interfaces ge-0/1/0 unit 0
> set interfaces ge-0/3/0 unit 0
> 
> [email protected]# run show lldp neighbors
> Local Interface    Parent Interface    Chassis Id          Port info          
> System Name
> ge-0/1/0           -                   30:7c:5e:96:ac:80   ge-0/3/0           
> lab01.juniper
> ge-0/3/0           -                   30:7c:5e:96:ac:80   ge-0/1/0           
> lab01.juniper
> 
> [edit]
> [email protected]#
> 
> I’m noticing that if I disable either interface, it’s partner interface does 
> not go down.  I’m not talking about Ethernet OAM, just simple layer 1 link 
> detection with copper SFPs.  In my past experiences with various Cisco 
> platforms, this works with no special configuration required.  One thing of 
> interest is that the box thinks the media type is Fiber.
> 
> [email protected]# set interfaces ge-0/1/0 disable
> 
> [edit]
> [email protected]# commit
> commit complete
> 
> [edit]
> [email protected]# Jul 18 15:56:42.333 2016  lab01.juniper mib2d[2006]: 
> %DAEMON-4-SNMP_TRAP_LINK_DOWN: ifIndex 558, ifAdminStatus down(2), 
> ifOperStatus down(2), ifName ge-0/1/0
> 
> 
> [edit]
> [email protected]# run show interfaces ge-0/1/0
> Physical interface: ge-0/1/0, Administratively down, Physical link is Down
>   Interface index: 149, SNMP ifIndex: 558
>   Link-level type: Ethernet, MTU: 1514, MRU: 0, LAN-PHY mode, Speed: 
> 1000mbps, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, 
> Source filtering: Disabled,
>   Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online, 
> Media type: Fiber
>   Device flags   : Present Running Down
>   Interface flags: Hardware-Down Down SNMP-Traps Internal: 0x4000
>   Link flags     : None
>   CoS queues     : 8 supported, 8 maximum usable queues
>   Current address: 30:7c:5e:96:a5:65, Hardware address: 30:7c:5e:96:a5:65
>   Last flapped   : 2016-07-18 15:56:42 EDT (00:00:11 ago)
>   Input rate     : 0 bps (0 pps)
>   Output rate    : 0 bps (0 pps)
>   Active alarms  : LINK
>   Active defects : LINK
>   Interface transmit statistics: Disabled
> 
>   Logical interface ge-0/1/0.0 (Index 345) (SNMP ifIndex 570)
>     Flags: Device-Down SNMP-Traps 0x4004000 Encapsulation: ENET2
>     Input packets : 3
>     Output packets: 4
>     Protocol multiservice, MTU: Unlimited
> 
> [edit]
> [email protected]# run show interfaces ge-0/3/0
> Physical interface: ge-0/3/0, Enabled, Physical link is Up
>   Interface index: 169, SNMP ifIndex: 526
>   Link-level type: Ethernet, MTU: 1514, MRU: 0, LAN-PHY mode, Speed: 
> 1000mbps, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, 
> Source filtering: Disabled,
>   Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online, 
> Media type: Fiber
>   Device flags   : Present Running
>   Interface flags: SNMP-Traps Internal: 0x4000
>   Link flags     : None
>   CoS queues     : 8 supported, 8 maximum usable queues
>   Current address: 30:7c:5e:96:a6:af, Hardware address: 30:7c:5e:96:a6:af
>   Last flapped   : 2016-07-18 14:52:35 EDT (01:04:23 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 ge-0/3/0.0 (Index 348) (SNMP ifIndex 544)
>     Flags: Up SNMP-Traps 0x4004000 Encapsulation: ENET2
>     Input packets : 4
>     Output packets: 4
>     Protocol multiservice, MTU: Unlimited
> 
> [edit]
> [email protected]#
> 
> Am I missing something somewhere?
> 
> Thanks in advance.
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