ASR1002-X with SFP-GE-T

Hi all,
We are trying to connect an ASR1002-X with 6 SFP-GE-T to a C3750 Switch but the interface never came up in the ASR. They do in the C3750.
The SFP we are using are CISCO-FINISAR
The interfaces are configured in both sides with no negotiation auto and with speed 1000 and duplex full.
I've tested the SFP-GE-T from C3750 to C3750 and they work as spected.
I've googled around and, as far I can see many people with the same or very similar problem, no one have an answer for that.
Here is an output for the interfaces of ASR(0/0/0) and C3750 (1/0/1) that are connected to eachother.
GigabitEthernet0/0/0 is down, line protocol is down
Hardware is 6XGE-BUILT-IN, address is f07f.06d9.c000 (bia f07f.06d9.c000)
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not supported
Full Duplex, 1000Mbps, link type is force-up, media type is T
output flow-control is on, input flow-control is on
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters 04:04:41
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 18 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
C3750-Core(config-if)#do show int gi1/0/1
GigabitEthernet1/0/1 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 0012.7f03.eb81 (bia
0012.7f03.eb81)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, media type is 10/100/1000BaseTX
input flow-control is on, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
5579 packets output, 448107 bytes, 0 underruns
0 output errors, 0 collisions, 11 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
Also, the output for sh hw-module subslot 0/0 transceiver 0 idprom brief
IDPROM for transceiver GigabitEthernet0/0/0:
Description = SFP or SFP+ optics (type 3)
Transceiver Type: = GE T (26)
Product Identifier (PID) = N/A
Vendor Revision = A0
Serial Number (SN) = MTC164805GW
Vendor Name = CISCO-FINISAR
Vendor OUI (IEEE company ID) = 00.90.65 (36965)
CLEI code =
Cisco part number =
Device State = Enabled.
Date code (yy/mm/dd) = 14/09/15
Connector type = LC.
Encoding = 8B10B
NRZ
Nominal bitrate = GE (1300 Mbits/s)
Minimum bit rate as % of nominal bit rate = not specified
Maximum bit rate as % of nominal bit rate = not specified
Any help?
Thanks in advance

Ok, nevermind, is a know bug.
FYI: https://tools.cisco.com/bugsearch/bug/CSCud29930/?referring_site=bugqvinvisibleredir

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ASR 1002 with SFP GE-T ( Interface not came UP )

Hi Team,
e are trying to connect an ASR1002 ( 4XGE-BUILT-IN ) with SFP GE-T to a C3750 Switch but the interface never came up in the ASR and also at Cisco 3750 end.
The interfaces are configured in both sides with no negotiation auto and with speed 1000 and duplex full.
sh int gi0/0/1
GigabitEthernet0/0/1 is down, line protocol is down
Hardware is 4XGE-BUILT-IN, address is 8843.e179.3301 (bia 8843.e179.3301)
Description: *** Connect to Cisco 3750 ***
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not supported
Full Duplex, 1000Mbps, link type is force-up, media type is T
output flow-control is on, input flow-control is on
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 0 bits/sec, 0 packets/sec
30 second output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
show hw-module subslot 0/0 transceiver 1 idprom
IDPROM for transceiver GigabitEthernet0/0/1:
Description = SFP optics (type 3)
Transceiver Type: = GE T (26)
Product Identifier (PID) = N/A
Vendor Revision = A
Serial Number (SN) = F15MB614
Vendor Name = CIS-COMPAT-F
Vendor OUI (IEEE company ID) = 00.0B.40 (2880)
CLEI code = N/A
Cisco part number = N/A
Device State = Enabled.
Date code (yy/mm/dd) = 09/08/26
Connector type = Unknown.
Encoding = 8B10B
NRZ
Nominal bitrate = GE (1300 Mbits/s)
Minimum bit rate as % of nominal bit rate = not specified
Maximum bit rate as % of nominal bit rate = not specified
Please help to get any solution.
Thanks in ADV,

I have seen this before. Take a picture of the SFP. I want to see the front label which contains the serial number.
If I remembered correctly, ASR will only accept GLC-T with hardware version of "-03".

2960X-48FPS-L switch showing unknown with SFP plugged in.

show interface status
Gi1/0/49                     notconnect   1            auto   auto unknown     (GLC-SX-MMD)
Gi1/0/50                     notconnect   1            auto   auto Not Present(no SFP installed)
Gi1/0/51                     notconnect   1            auto   auto unknown     (GLC-SX-MM)
Gi1/0/52                     notconnect   1            auto   auto unknown     (GLC-LH-SM)
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show version
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.0(2)EX5, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Fri 21-Feb-14 05:54 by prod_rel_team
ROM: Bootstrap program is C2960X boot loader
BOOTLDR: C2960X Boot Loader (C2960X-HBOOT-M) Version 15.2(2r)E1, RELEASE SOFTWARE (fc1)
uptime is 3 weeks, 6 days, 16 hours, 53 minutes
System returned to ROM by power-on
System restarted at 00:49:12 UTC Fri Mar 20 2015
System image file is "flash:/c2960x-universalk9-mz.150-2.EX5/c2960x-universalk9-mz.150-2.EX5.bin"
Switch Ports Model              SW Version            SW Image
*    1 52    WS-C2960X-48FPS-L 15.0(2)EX5            C2960X-UNIVERSALK9-M
Configuration register is 0xF
I've read maybe a IOS issue, but why would the recommended version still have a bug like this in it?
I have upgraded to 15.2(2)E2, and also downgraded to 150(2)EX3 and no change with status on SFP ports, still showing unknown for any SFP plugged into them.
Moving on to another switch, just to verify if its a single switch issue or not. I had a c2960x-24ps-l and this switch was on IOS 15.0(2)EX5 like the 2960x-48fps-l, but this switch did recognize the 4 different SFP's I plugged in. So it doesn't look like an IOS image issue.
I have another 2960x-48fps-l, i'll fire up and see if it recognizes the SFP's.

Leo, just saw your updated message, I fired up two other same model switches with identical IOS's one 24port and the other another 48 port model, and both were able to identify the SFP's correctly.
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Hi everyone,
I am in the middle of a project where we are receiving a 2gig Internet connection from a service provider. I need to connect this to a switch , my question is related to what sfp, switch would be the most compatible. I was thinking about a 3750 switch with sfp modules, but i am not sure if a SFP 1000 sx is enough as we are receiving a 2 gig connection via fiber then I would need to use a 10G module, with 10G sfps... mm well i am very confuse... can anyone help me please in your experience with a similar situation
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Posting
A "2 gig" connection might mean a 10g logically limited to 2g, or it might mean the full duplex capacity of a gig link.
The SFP+ ports on 10g 3750X modules will support either a gig or 10g transceiver. The SPF ports, on either 10g or gig modules will only support gig.

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Hi everybody,
I'm sorry about my poor english... I'm French (but it is not contagious)
I need your help (or TAC Help ) about speed and duplex problems.
My network :
[C2960G-24TC-L with sfp GLC-FE-100LX on Gig 0/23] <--> (Singlemode Fiber 9/125µ) <--> [Cisco SF200-24 with sfp MFELX1 on Gi1]
Autonegociation everywhere...
My problem :
%CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet0/23 (not full duplex), with f02929f97095 gi1 (full duplex).
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- I can't force speed/duplex on GLC-FE-100LX (actually a-half a-100)
Is there an incompatibility between this equipements ?
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WS-C2960G-24TC-L   12.2(58)SE2           C2960-LANBASEK9-M
Cisco SF200-24 Firmware Version (Active Image): 1.2.9.44
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GigabitEthernet0/23
Model:                 WS-C2960G-24TC-L
Type:                  100BaseLX-FE SFP
Speed:                 100
Duplex:                half,full
Trunk encap. type:     802.1Q
Trunk mode:            on,off,desirable,nonegotiate
Channel:               yes
Broadcast suppression: percentage(0-100)
Flowcontrol:           rx-(off,on,desired),tx-(none)
Fast Start:            yes
QoS scheduling:        rx-(not configurable on per port basis),
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CoS rewrite:           yes
ToS rewrite:           yes
UDLD:                  yes
Inline power:          no
SPAN:                  source/destination
PortSecure:            yes
Dot1x:                 yes
Multiple Media Types: rj45, sfp, auto-select
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Diagnostic Monitoring is not implemented.
Name : Gi0/23
Administrative Speed: auto
Administrative Duplex: auto
Administrative Auto-MDIX: on
Administrative Power Inline: N/A
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Operational Duplex: half
Operational Auto-MDIX: on
Media Type: 100BaseLX-FE SFP
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Thank you Leo,
It doesn't work, but I found an solution !
A strange solution...
I forced the C2960G-24TC-L to work with SFP :
media-type sfp
When I do that, I have the possibility to force the duplex (but not the speed... ok why not... ) :
duplex full
It is not very clean but my link is up and full-100 both sides.
Not very clean because :
C2960 side = force duplex, auto speed
SF200 side = auto duplex, auto speed
No errors... the link is clean.
Anyone known the reason or a better solution ?

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10GBASE - LRM with Single Mode Cable

Dear Netpro community,
I have a problem with SFP+ module (10GBase - LRM) connecting to X2 module (10Gbase- LRM).
We are connecting the device using single mode cable but the switch interface doesnt going up.We tried to change the connector to X2 - LR but still doesnt going up.
However when we change the SFP+ module to LR and connect it to X2 - LR the interface is up.
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Dear Tom,
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