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SG550X Switch Stack SFP Module not working

hytec
Level 1
Level 1

I have a stack of 2 x SG550X-48-K9 that use xe1 & xe2 to connect to each other. The switches have 4 x SFP+ ports labelled xe1-4

 

I am now trying to use xe3 for a 1Gb SFP Fibre connection (normal port - not stack related) and although the SFP is recognized by the system the link does not come up.  The same SFP in another Cisco 2960X switch has no issues so I know the fibre and the SFP module are fine.  Does the SG550X support a 1Gb SFP mixed with 10G SFP's?

 

Switch#sh ver
Active-image: flash://system/images/image_tesla_hybrid_2.5.5.47_release_cisco_signed.bin
Version: 2.5.5.47
MD5 Digest: ff7132e875fd9ac0699a4b7bf04087c4
Date: 06-May-2020
Time: 17:32:16

 

Switch#sh inventory

NAME: "1" DESCR: "SG550X-48 48-Port Gigabit Stackable Managed Switch"
PID: SG550X-48-K9 VID: V03 SN: DNI2414****


NAME: "TenGigabitEthernet1/0/3" DESCR: "Cisco SFP-1000Base-SX"
PID: SFP-1000-SX VID: Information Unavailable SN: P1A4****


NAME: "2" DESCR: "SG550X-48 48-Port Gigabit Stackable Managed Switch"
PID: SG550X-48-K9 VID: V03 SN: DNI2414****

 

Switch#sh run int te1/0/3
interface TenGigabitEthernet1/0/3
switchport access vlan 64

 

Switch#sh int status | in Fiber
te1/0/3 10G-Fiber -- -- -- -- Down -- --
te1/0/4 10G-Fiber -- -- -- -- Down -- --
te2/0/3 10G-Fiber -- -- -- -- Down -- --
te2/0/4 10G-Fiber -- -- -- -- Down -- --

 


Switch#show fiber-ports optical-transceiver

Port Temp Voltage Current Output Input LOS
[C] [Volt] [mA] Power Power
[mWatt] [mWatt]
----------- ------ ------- ------- ------- ------- ---
te1/0/3 37 3.26 3.38 0.29 0.28 No

 

Switch#show stack links details

Topology is Chain

UNIT ID Link Status Speed Neighbor Neighbor Neighbor
Unit ID Link MAC Address
------- -------- ---------- ----- -------- -------- -------------------
1 te1 Active 10G 2 te2 5c:e1:76:46:xx:0d
1 te2 Active 10G 2 te1 5c:e1:76:46:xx:0d
2 te1 Active 10G 1 te2 5c:e1:76:46:xx:13
2 te2 Active 10G 1 te1 5c:e1:76:46:xx:13

 

1 Reply 1

marce1000
VIP
VIP

   Ref : https://tmgmatrix.cisco.com/?npid=3411

- For compatible SFP's check attachment, 

 

 M.



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