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Questions tagged [sfp]

Small form-factor pluggables are mostly optical, modular transceivers for gigabit or 10 gigabit (SFP+) network connections.

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SFP Tranciever Cost. Use CAT 6 over short distances?

Hello I have two HP V1910-48G, which from my understanding are re-branded 3Com products. I'm running out of ports on both switches and both are deployed in different scenario's. 1) I need more ports and the new switch, HP V1910-24G, will be located…
paz
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How do I get past “SFP Validation Failed” on a FET-10G transceiver on a Nexus 5548UP?

I inserted a FET-10G (Fabric Extender Transceiver) SFP transceiver in my Nexus 5548UP and I got "access down" "SFP Validation Failed" in show interface. FET-10Gs came with my 2232's so I figured they'd be plug and play. This is with a blank port…
Alain O'Dea
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What SFPs can be used with Dell MD36x0f storage?

I've not found any information about used SFPs and supported cable length (which is what I actually want to know). Online configuration wizard does not allow to choose SFP type, only quantity. One presentation that I have states that maximum cable…
gelraen
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Experiences with (cheap) third-party SFP modules?

Possible Duplicate: Are Arista SFP Transceivers Compatible with Cisco Switches? As the topic suggests, it would be interesting to hear what some of you with more experience have to say about this. Pros * supported * known to reliable * in use by…
3molo
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SFP Uplinks from Cisco WS-C2960S-24TS-L to Non-SFP Ports

Our department recently purchased new WS-C2960S-24TS-L switches to act as our cabinet switches. However, these will be uplinked into existing WS-2960S-24TS-L that act as the aggregation switches. What are our options for connecting these switches…
rjk
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Do 3Com switches support generic SFPs?

I have a 4200 series switch with an empty sfp port, and existing unused fiber run (62.5nm multimode) to another building that I hope to bring up, with a 1000base-SX connection on the other end. Unfortunately I'm having trouble finding a 3Com…
Joel Coel
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Connecting 10G SFP+ slot to 1G SFP slot

Will connecting a switch operating in fixed 10GB mode and SFP+ slot and SFP+ module, to: A server's network adapter operating in fixed 1GB mode with SFP+ slot and SFP+ module result in damage to the SFP transceiver modules and the switch/Network…
SandShriner
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Questions on 40GBe QSFP+ to 4X 10GBe SFP+ breakout cables

I run a small(~400cores) Linux cluster. I am using aggregated 10GBe ethernet ports(with Netgear XS728T), but now considering an upgrade to 100GB ethernet with QSFP28 ports(Mellanox SN2100). As I don't want too much work on the upgrade, I want to use…
Kyungrae Kang
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Protocol conversion: 10GBASE-KR to 10GBASE-R

I wanted to get some insight if anyone is aware of transceivers or translation devices that would be able to convert 10GBASE-KR to 10GBASE-R. The intent is to support a 10GBASE-KR interface from a VPX backplane out to an SFP+ cage, but the processor…
kshah99
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sfp and sfp28 compatibility

I have gotten a server which has "Broadcom 57454 10/25GbE SFP28 4-port OCP Ethernet Adapter" When I connect it to a switch port which is sfp the link status on the server is reported as active and it even sends packets for the DHCPDiscover but the…
AAB
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Ubuntu ethernet bridge limited to 1Gbs?

I have an Intel 522SFP network adapter in a Ubuntu Server machine and I am facing a strange issue with speed. If I use it "directly" with this netplan (enp1s0f0 interface) : # This is the network config written by 'subiquity' network: …
Karnalta
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Is there any load when reading EEPROM inside SFP module?

I am trying to measure the optical receving/transmitting levels with ethtool on the server. It was confirmed that ethtool reads information from EEPROM inside the SFP module. When a read operation to check the optical level occurs in the EEPROM,…
beginner
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Connecting an SFP+ port to a QSFP28 switch

Background - I am working with a client trying to get a new Dell R540 server onto the client's network. They provided me with a single port on their Cisco Nexus 93240YC-FX2 Switch to connect the server to. The server has two 10GE SFP+ ports and we…
Jacob D
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How to force 1G speed for Juniper QFX5100 10G ports?

I have available a Juniper QFX5100-48S switch (48 SFP 10G ports, 6 QSFP ports) that I cannot join into our network since an SFP DAC 10G cable connecting it to an SFP port on a HP V1810-48G switch does not work (the web panel on the HP switch says…
Francesco
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What settings are needed to make a FortiSwitch 148F communicate with an HP 5130 using SFP Transceivers?

I have a FortiSwitch 148F-FPOE that will not communicate with an HP 5130 Switch. I get link lights on the ForitSwitch but not the HP. The HP 5130 has a Dell-branded SFP module and the FortiSwitch has a Axiom-branded 'for FortiSwitch' module.
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