Transceiver compatibility

Vendor locks, unsupported module errors, matching modules to switches, NICs and routers

4votes

4comments

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SFP-10G-LR recognized but no link between two Catalyst 1200 switches

Two Cisco Catalyst C1200-48T-4X switches were connected back-to-back with Cisco SFP-10G-LR modules in the ge49/te1 SFP+ slots. Both switches recognize the transceivers, the interfaces are administratively up, both ends transmit light and the DOM optical values are good, yet no link is established…

rack_pilot49 asked 20 days ago

0votes

0comments

70views

Catalyst 9300 with C9300-NM-4G shows OEM 1000BASE-LX SFP but port stays notconnect

The poster set up several new Cisco Catalyst 9300 switches fitted with C9300-NM-4G network modules, configured GigabitEthernet1/1/1 as a trunk and enabled it, but could not get a link with any of several SFPs. 'show interfaces' reports 'GigabitEthernet1/1/1 is down, line protocol is down…

1000base-lx c9300-nm-4g catalyst-9300 Cisco third-party-sfp

tx_node67 asked 20 days ago