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dlimadaumyat
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CCR2004-1G-12S+2XS DAC SFP28 not working

Mon Feb 13, 2023 8:16 pm

Hi all,
someone experienced a problem with Mikrotik device with 25Gbp ports ?

I have a problem on a double link between a Mikrotik CCR2004-1G-12S+2XS and a FS switch S5860-20SQ using two dac Sfp28 from Solid Optics.
Tried every combinations mixing autonegotiation, duplex, fec, sfp-rate but there is no way to get the links running at 25Gps.
The only way i get the link up was configuring the ports to 10Gbps.
Logically the configuration will be autonegotiation off, duplex full, speed 25Gps, fec fec91, rx/tx flow control off; but with this configuratio both the ports stay down.
Support told me to try the ROS 7.8rc1 but no resolution.

This is the configuration of the ports:
# feb/13/2023 19:07:23 by RouterOS 7.8rc1
# software id = NJ8U-YI2F
#
# model = CCR2004-1G-12S+2XS
# serial number = HDD08DGWKF4
/interface ethernet
set [ find default-name=sfp28-1 ] advertise=10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full auto-negotiation=no comment="Link to SNBSW00 port TFGigabitEthernet 1/0/22" fec-mode=fec91 l2mtu=9216 mtu=9216
set [ find default-name=sfp28-2 ] advertise=10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full auto-negotiation=no comment="Link to SNBSW00 port TFGigabitEthernet 2/0/22" fec-mode=fec91 l2mtu=9216 mtu=9216
This is the print detail:
print detail where default-name~"sfp28"
Flags: X - disabled, R - running; S - slave
13  S ;;; Link to SwStrange01 port TFGigabitEthernet 1/0/22
      name="sfp28-1" default-name="sfp28-1" mtu=9216 l2mtu=9216 mac-address=18:FD:74:F2:28:08 orig-mac-address=18:FD:74:F2:28:08 arp=enabled arp-timeout=auto loop-protect=default loop-protect-status=off loop-protect-send-interval=5s loop-protect-disable-time=5m
      auto-negotiation=no advertise=10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full full-duplex=yes tx-flow-control=off rx-flow-control=off speed=25Gbps bandwidth=unlimited/unlimited switch=switch1 sfp-rate-select=high fec-mode=fec91
      sfp-shutdown-temperature=95C

14  S ;;; Link to SwStrange02 port TFGigabitEthernet 2/0/22
      name="sfp28-2" default-name="sfp28-2" mtu=9216 l2mtu=9216 mac-address=18:FD:74:F2:28:09 orig-mac-address=18:FD:74:F2:28:09 arp=enabled arp-timeout=auto loop-protect=default loop-protect-status=off loop-protect-send-interval=5s loop-protect-disable-time=5m
      auto-negotiation=no advertise=10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full full-duplex=yes tx-flow-control=off rx-flow-control=off speed=25Gbps bandwidth=unlimited/unlimited switch=switch1 sfp-rate-select=high fec-mode=fec91
      sfp-shutdown-temperature=95C


Here the monitor on the interface sfp28-1 just as a reference, the sfp28-2 is the same.
monitor sfp28-1
                                 ;;; Link to SwStrange01 port TFGigabitEthernet 1/0/22
                               name: sfp28-1
                             status: no-link
                   auto-negotiation: disabled
                 sfp-module-present: yes
                        sfp-rx-loss: no
                       sfp-tx-fault: no
                           sfp-type: SFP-or-SFP+
                 sfp-connector-type: copper-pigtail
  sfp-link-length-copper-active-om4: 5m
                    sfp-vendor-name: SOLID-OPTICS
             sfp-vendor-part-number: SFP-H25GB-CU5M
                sfp-vendor-revision: 01
                  sfp-vendor-serial: SOTCU5mN0009
             sfp-manufacturing-date: 22103101
           sfp-dwdm-channel-spacing: 11Ghz
                    eeprom-checksum: good
                             eeprom: 0000: 03 04 21 01 00 00 00 00  04 00 00 00 ff 00 00 00  ..!..... ........
                                     0010: 00 00 05 00 53 4f 4c 49  44 2d 4f 50 54 49 43 53  ....SOLI D-OPTICS
                                     0020: 20 20 20 20 0b 8c 2f a6  53 46 50 2d 48 32 35 47      ../. SFP-H25G
                                     0030: 42 2d 43 55 35 4d 20 20  30 31 20 20 01 00 00 0e  B-CU5M   01  ....
                                     0040: 00 00 00 00 53 4f 54 43  55 35 6d 4e 30 30 30 39  ....SOTC U5mN0009
                                     0050: 20 20 20 20 32 32 31 30  33 31 30 31 00 00 00 51      2210 3101...Q
                                     0060: 37 32 30 2d 30 38 34 36  30 36 20 52 45 56 20 30  720-0846 06 REV 0
                                     0070: 31 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  1
                                     0080: ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  ........ ........
                                     *
                                     00d0: ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff a1  ........ ........
                                     00e0: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ........ ........
                                     *
Any idea to resolve this problem ?

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