Re: [j-nsp] 1000Base-T SFP shows Link Up without cable inserted

2013-04-01 Thread Ben Dale 


On 01/04/2013, at 5:55 AM, Mathias Sundman math...@nilings.se wrote:

 I've just upgraded two of my MX5-T boxes to 11.4R7.5 and after that my 3rd 
 party 1000Base-T SFP (Transmode originals based on Finisar) started to show 
 Link Up as soon as the SFP is inserted (no cable inserted).
 
 On 11.2R5.4 it worked as it should. 11.4R1.14 that the boxes came with was 
 also broken.
 
 Bug or feature? Has anyone used any Juniper original 1000Base-T SFPs on the 
 MX-5/10/40/80-T platform with JunOS 11.4?

Both ; )  I've seen this a few times across various versions with different 
3rd-party 1GBaseT transceivers.  I don't know the specifics of why the issue is 
caused, but after swapping suppliers, and upgrading code, the issue appears to 
have gone away.

I guess that is the risk of using 3rd party - I'm not sure how much luck you'll 
have logging a case
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[j-nsp] 1000Base-T SFP shows Link Up without cable inserted

2013-03-31 Thread Mathias Sundman 
I've just upgraded two of my MX5-T boxes to 11.4R7.5 and after that my 
3rd party 1000Base-T SFP (Transmode originals based on Finisar) started 
to show Link Up as soon as the SFP is inserted (no cable inserted).


On 11.2R5.4 it worked as it should. 11.4R1.14 that the boxes came with 
was also broken.


Bug or feature? Has anyone used any Juniper original 1000Base-T SFPs on 
the MX-5/10/40/80-T platform with JunOS 11.4?


masun@solir1 show version
Hostname: solir1
Model: mx5-t
JUNOS Base OS boot [11.4R7.5]
JUNOS Base OS Software Suite [11.4R7.5]
JUNOS Kernel Software Suite [11.4R7.5]
JUNOS Crypto Software Suite [11.4R7.5]
JUNOS Packet Forwarding Engine Support (MX80) [11.4R7.5]
JUNOS Online Documentation [11.4R7.5]
JUNOS Routing Software Suite [11.4R7.5]

masun@solir1 show chassis pic fpc-slot 1 pic-slot 1
FPC slot 1, PIC slot 1 information:
  Type 10x 1GE(LAN) SFP
  StateOnline
  PIC version 2.26
  Uptime 2 days, 23 hours, 7 minutes, 20 seconds

PIC port information:
  FiberXcvr vendor
  Port  Cable typetype  Xcvr vendorpart number   Wavelength
  0 GIGE 1000Tn/a   FINISAR CORP.  FCLF8521P2BTL-TR  n/a

masun@solir1 show interfaces ge-1/1/0
Physical interface: ge-1/1/0, Enabled, Physical link is Up
  Interface index: 158, SNMP ifIndex: 526
  Description: Link sthir2 for Logical Systems (VPLS Lab)
  Link-level type: Ethernet, MTU: 2000, Speed: 1000mbps, BPDU Error: None, 
MAC-REWRITE Error: None,
  Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, 
Auto-negotiation: Enabled,
  Remote fault: Online
  Device flags   : Present Running
  Interface flags: SNMP-Traps Internal: 0x0
  Link flags : None
  CoS queues : 8 supported, 8 maximum usable queues
  Current address: 08:81:f4:81:26:68, Hardware address: 08:81:f4:81:26:68
  Last flapped   : 2013-03-31 15:11:42 EDT (00:04:46 ago)
  Input rate : 0 bps (0 pps)
  Output rate: 0 bps (0 pps)
  Active alarms  : None
  Active defects : None
  Interface transmit statistics: Disabled

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