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IvanBF
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Joined: Fri Feb 17, 2023 12:27 pm

Problems with connectivity against Cisco via SFP

Fri Feb 17, 2023 1:00 pm

Hello fellow members of the Mikrotik world,

I am having problems that I do not understand, I explain the scenario.

I have 2 Switch:

CISCO CBS250-48T-4G

MIKROTIK CRS326-24G-2S+

I want to connect them through the SFP links that both devices have, the way I want to connect them is doing a LACP on the Cisco on the fiber ports 49-50 and a Bonding on the Mikrotik on the sfp-sfpplus1 and sfp-sfpplus2 port.

The SFPs I use are Cisco SFP-1000Base-SX and Mikrotik S-85DLC05D, which from what I have seen are compatible.

Right now I only have connected the port 49 of the Cisco against the sfp-sfpplus1 port of the Mikrotik, on the Cisco side I get the Link up but on the mikrotik side it stays not linked.

[admin@MikroTik] > /interface/ethernet/monitor sfp-sfpplus1
name: sfp-sfpplus1
status: no-link
auto-negotiation: disabled
sfp-module-present: yes
sfp-rx-loss: yes
sfp-tx-fault: no
sfp-type: SFP-or-SFP+
sfp-connector-type: LC
sfp-link-length-om1: 300m
sfp-link-length-om2: 550m
sfp-vendor-name: MikroTik
sfp-vendor-part-number: S-85DLC05D
sfp-vendor-revision: 2.0
sfp-vendor-serial: OL2209261541
sfp-manufacturing-date: 22-10-12
sfp-wavelength: 850nm
sfp-temperature: 39C
sfp-supply-voltage: 3.184V
sfp-tx-bias-current: 7mA
sfp-tx-power: -5.699dBm
eeprom-checksum: good
eeprom: 0000: 03 04 07 00 00 00 01 20 40 0c 05 01 0d 00 00 00 ....... @.......
0010: 37 1e 00 00 4d 69 6b 72 6f 54 69 6b 20 20 20 20 7...Mikr oTik
0020: 20 20 20 20 00 00 00 00 53 2d 38 35 44 4c 43 30 .... S-85DLC0
0030: 35 44 20 20 20 20 20 20 32 2e 30 20 03 52 00 3b 5D 2.0 .R.;
0040: 00 1a 00 00 4f 4c 32 32 30 39 32 36 31 35 34 31 ....OL22 09261541
0050: 20 20 20 20 32 32 31 30 31 32 20 20 68 f0 01 f6 2210 12 h...
0060: 00 00 08 eb 59 cc ea e8 37 44 dd 72 12 b9 9a ae ....Y... 7D.r....
0070: 54 84 c5 00 00 00 00 00 00 00 00 00 81 5e 8f 6b T....... .....^.k
0080: 64 00 d8 00 5f 00 dd 00 8c a0 6d 60 88 b8 71 48 d..._... ..m`..qH
0090: 9c 40 01 f4 88 b8 03 e8 3d e9 02 77 31 2d 03 1a .@...... =..w1-..
00a0: 4d f1 00 32 27 10 00 64 00 00 00 00 00 00 00 00 M..2'..d ........
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00c0: 00 00 00 00 3f 80 00 00 00 00 00 00 01 00 00 00 ....?... ........
00d0: 01 00 00 00 01 00 00 00 01 00 00 00 00 00 00 4e ........ .......N
00e0: 27 1f 7c 68 0f 48 0a 84 00 00 ff ff ff ff 02 ff '.|h.H.. ........
00f0: 00 40 ff ff 00 40 ff ff ff ff ff ff ff ff ff 00 .@...@.. ........

Can you please help me?

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