08-02-2013 09:15 PM - edited 03-04-2019 08:38 PM
Hi ,
I have Fiber Uplink port and want to connect in SFP port ( 2960 ) with Gbic connector . But Port on which the fiber is attached is down.
I used the other switch with SFP module ( Planet switch ) for testing fiber links , its working properly .
I have bypass bandwith with externded switch (planet) to convert fiber link to ethernet and connect One of the pors to cisco switch .
Please help me to up my SFP port on cisco 2960 switch and remove Addition switch (Planet switch ).
Thanks
Solved! Go to Solution.
08-03-2013 07:35 AM
I think you have an OM1 fibre optic link.
08-09-2013 07:57 AM
Hi,
Have you ever seen this link :
http://www.cisco.com/en/US/products/hw/modules/ps4999/products_tech_note09186a00807a30d6.shtml
which is introduced this type of module. Also this link :
https://supportforums.cisco.com/thread/2038428
which is discussed a little bit more in depth.
As you guessed it could becasue of some mismatch configuration and need to check your provider side too.
Regards
08-02-2013 10:06 PM
What is the model number of the SFP module you are using on the 2960?
08-02-2013 10:16 PM
Hi ,
Prod.# : GLC-SX-MM Cisco Malaysia
P/N : 30-1301-02
Regard
08-02-2013 10:59 PM
On the Cisco switch, can you post the output to the command "sh interface
08-02-2013 11:31 PM
yes here output command : sh interface :
2960#show interfaces gigabitEthernet 0/21
GigabitEthernet0/21 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet, address is d4a0.2a6b.d315 (bia d4a0.2a6b.d315)
Description: Fiber
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Auto-duplex, Auto-speed, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 03:41:20, 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
943 packets input, 172371 bytes, 0 no buffer
Received 943 broadcasts (538 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 538 multicast, 0 pause input
0 input packets with dribble condition detected
117 packets output, 25664 bytes, 0 underruns
0 output errors, 0 collisions, 1 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
08-02-2013 11:43 PM
Maybe the ends are the other way around.
How far is the other end?
08-02-2013 11:54 PM
Not far , about 300 meter
08-03-2013 12:02 AM
Not far , about 300 meter
What is the exact distance?
GLC-SX-MM can reach 300 metre if your fibre optic link is OM2.
Read Cisco Small Form-Factor Pluggable Modules for Gigabit Ethernet Applications Data Sheet and refer to Table 1.
08-03-2013 12:20 AM
The exact distance is 270 meter . But this link on planet switch with this Gbic is working properly.
08-03-2013 02:17 AM
Have you tried by issuing 'speed nonegotiate' SFP ?(or both ends?)
Thx
MS
08-03-2013 04:01 AM
Hi ,
The speed mode not change when SFP module attached in switch .
Thank you
08-03-2013 07:35 AM
I think you have an OM1 fibre optic link.
08-04-2013 11:30 PM
Hi Leo
Thank you for replay
This link will operate properly in the past ( on 2960 ) . We did not have a problem until it was changed by provider .
provider change other side router .
My optic link not changed in 5 past years and this link work with other switch . I think I need to change parameter on intherface. (Fiber)
Regard
08-09-2013 07:57 AM
Hi,
Have you ever seen this link :
http://www.cisco.com/en/US/products/hw/modules/ps4999/products_tech_note09186a00807a30d6.shtml
which is introduced this type of module. Also this link :
https://supportforums.cisco.com/thread/2038428
which is discussed a little bit more in depth.
As you guessed it could becasue of some mismatch configuration and need to check your provider side too.
Regards
08-10-2013 11:52 PM
Hi Hesam ,
Thanks for posting links . Cisco switch just work with CISCO SFP . I Think SFP attached in other side of my Fiber link is not cisco SFP .i should be call with provider and check other side SFP.
I am waiting for your comments
Best Regard
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