el 10-25-2022 09:18 AM
Hi, I have connected a nexus 3232 with a optical transceiver 1Gb (I´m using a CVR-QSFP-SFP10G) to other Sw Cisco, on both side of the optical tranceivers I can see power in Tx and Rx, but the interfaces are down, I configured other interface in the SW but electric (RJ45 to copper) and connected the other tranceiver electric to the 3232 in the same interface (I changed to electrical too using same CVR-QSFP-SFP10G) and the interfaces are up.
Can help me? why the opticals transceivers aren,t working and electrical are ok?
Nexus 3232 interface.
interface Ethernet1/19
description Po19.1-USU-CH3//49
switchport
switchport mode trunk
switchport trunk allowed vlan 8-9,20,90,311,406,408,416,418,420,430,500,510
speed 1000
logging event port link-status
logging event port trunk-status
storm-control broadcast level 20.00
storm-control multicast level 20.00
channel-group 19 mode active
no shutdown
SW Cisco and Nexus 3232 interfaces with transceivers Opticals
SWSCH-Usuarios#show int Gi1/1/1 transceiver detail … ++ : high alarm, + : high warning, - : low warning, -- : low alarm. A2D readouts (if they differ), are reported in parentheses. The threshold values are calibrated.
High Alarm High Warn Low Warn Low Alarm Temperature Threshold Threshold Threshold Threshold Port (Celsius) (Celsius) (Celsius) (Celsius) (Celsius) --------- ----------------- ---------- --------- --------- --------- Gi1/1/1 30.8 89.0 85.0 -5.0 -9.0
High Alarm High Warn Low Warn Low Alarm Voltage Threshold Threshold Threshold Threshold Port (Volts) (Volts) (Volts) (Volts) (Volts) --------- ----------------- ---------- --------- --------- --------- Gi1/1/1 3.27 3.60 3.50 3.10 3.00
High Alarm High Warn Low Warn Low Alarm Current Threshold Threshold Threshold Threshold Port Lane (milliamperes) (mA) (mA) (mA) (mA) --------- ---- --------------- ---------- --------- --------- --------- Gi1/1/1 N/A 21.2 69.9 64.9 5.5 4.5
Optical High Alarm High Warn Low Warn Low Alarm Transmit Power Threshold Threshold Threshold Threshold Port Lane (dBm) (dBm) (dBm) (dBm) (dBm) --------- ---- --------------- ---------- --------- --------- --------- Gi1/1/1 N/A -6.0 1.0 -3.0 -9.5 -13.5
Optical High Alarm High Warn Low Warn Low Alarm Receive Power Threshold Threshold Threshold Threshold Port Lane (dBm) (dBm) (dBm) (dBm) (dBm) --------- ---- --------------- ---------- --------- --------- --------- Gi1/1/1 N/A -9.4 1.0 -3.0 -19.0 -23.0
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SWSCP-CPD-CORE# show int Eth1/19 transceiver details Ethernet1/19 transceiver is present type is 1000base-LH name is CISCO part number is SCP6J44-C5-BMH revision is B serial number is SPC17430337 nominal bitrate is 1300 MBit/sec Link length supported for 9/125um fiber is 10 km cisco id is 3 cisco extended id number is 4 cisco part number is 10-2625-01 cisco product id is GLC-LH-SMD cisco version id is V01
SFP Detail Diagnostics Information (internal calibration) ---------------------------------------------------------------------------- Current Alarms Warnings Measurement High Low High Low ---------------------------------------------------------------------------- Temperature 27.82 C 90.00 C -10.00 C 85.00 C -5.00 C Voltage 3.28 V 3.63 V 2.97 V 3.47 V 3.14 V Current 4.63 mA 60.00 mA 0.10 mA 50.00 mA 0.10 mA Tx Power -7.42 dBm 0.00 dBm -13.56 dBm -3.00 dBm -9.50 dBm Rx Power -10.04 dBm 0.00 dBm -23.01 dBm -3.00 dBm -16.98 dBm Transmit Fault Count = 0 ---------------------------------------------------------------------------- Note: ++ high-alarm; + high-warning; -- low-alarm; - low-warning
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el 10-25-2022 09:40 AM
Quick question - what mode cable you using to connect? single or Multi-mode
what is other side SFP ? LH ?
el 10-25-2022 09:54 AM
Hi Balaji.bandi
both transceiver are LH and I'm using patch cords single mode
el 10-25-2022 10:14 AM
is this the same place or going via a different MDF ?
el 10-25-2022 11:30 AM
They are connecting back to back with patch cords
el 10-25-2022 10:23 AM
They are connecting back to back with the patch cord
el 10-25-2022 11:31 AM
In same place
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