Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [sfp]

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

95 questions
3
votes
2 answers

HP ProCurve 5406zl does not accept direct attach cable with error "Not an HP Networking transceiver"

I have an HP 5406zl switch running the latest firmware in the non-early release branch (K.15.14.0007, ROM K.15.30) and it is not accepting direct attach SFP+ cables in its SFP+ module. The module is a J9538A 8x 10GbE SFP+ module. The direct attach…
Aaron Friel
  • 588
  • 3
  • 11
3
votes
2 answers

Do HP switches lock their SFP Ports?

Does HP lock the SFP ports on their switches? I'm looking in particular at an HP E5406zl, but I imagine it's a policy across all their switches or all their switches at a particular level. We're replacing an existing aging switch with a new model,…
Joel Coel
  • 12,910
  • 13
  • 61
  • 99
3
votes
2 answers

What is the command to enable 3rd party SFP+ transceivers on Arista switch?

Does anyone know the command that enables the usage of 3rd party SFP+ on an Arista 7148S switch?
waszkiewicz
  • 992
  • 3
  • 16
  • 36
3
votes
5 answers

SFP+ twinax cable compatibility

How compatible are twinax SFP+ cables when used with different hardware vendors' equipment? E.g. are Cisco SFP+ cables fine between an Arista switch and a Solarflare card? How about an Amphenol cable with Cisco switches and Myricom cards? If in…
ewwhite
  • 194,921
  • 91
  • 434
  • 799
3
votes
5 answers

Are Arista SFP Transceivers Compatible with Cisco Switches?

Are the Arista SFP transceivers compatible with Cisco switches? For example, if I go to the CDW site they show multiple transceivers that vary in price. How can I know that they will work in the Cisco 2960 switch I have?
rjk
  • 330
  • 1
  • 3
  • 9
2
votes
1 answer

Collecting SFP+ attributes in Linux

I need to collect hw component inventory from physical systems running RHEL (6 and 7) and its derivatives. I need to collect the SFP+ attributes along with the rest of the components. I know I can easily get this with ethtool, as long as the…
Lubos A.
  • 35
  • 1
  • 1
  • 3
2
votes
0 answers

Dell X4012 copper options?

I've been using the Dell X4012 12x 10GbE switches with fibre and DAC cabling in several of our locations for a year now, and their lack of SFP+ ID checking made them easy to integrate. However, now I need to get some of these switches into an…
WooShell
  • 145
  • 6
2
votes
1 answer

Mellanox connectX-2 - compatibility

We want to upgrade our network to 10Gbits. On eBay you find a lot of old HP Mellanox connectX-2 SFP+ cards which are capable of 10Gbit/s. We want to give our server one of them and connect it to a HPE OfficeConnect 1950 Switch which is also capable…
ForJ9
  • 145
  • 4
2
votes
1 answer

Do i need to start using SFP+ or is 1GBE sufficient from isp router to sonicwall?

We are in the process of upgrading our leased fibre line from 100mbps to 300mbps, and are currently using cat6 1GBe to connect from the ISP provided Cisco router to our Sonicwall NSA3600 (and subsequently CAT 6 from the NSA to 5x Dell N3048…
Daniel McNicol
  • 23
  • 3
2
votes
3 answers

Does G.655 fiber supports 1310 nm wavelength?

I am using G.655 standard fiber for a project. We are using short haul SFP & long Haul SFP. Long haul (1550 nm) works fine with G.655 fiber, But Short haul SFP (1310 nm) is having some issue as link is not getting up. I am not sure whether the issue…
Vinay Singh
  • 39
  • 1
2
votes
1 answer

Can I safely replace a fiber SFP module with a copper one?

I have an expensive piece of network equipment that has an SFP+ port on it. It came installed with a 10-gigabit fiber optic transceiver installed the port. According to the device's specifications, it supports both 1- and 10-gigabit rates via the…
Jason R
  • 398
  • 1
  • 3
  • 10
2
votes
4 answers

Trunk fiber ports on switches

We are planning to purchase new switches for our network. We have three buildings in the same area that are all connected by fiber. Our main building is very large and needs to be connected by fiber from north to south. North is where our core…
skinneejoe
  • 264
  • 2
  • 8
  • 20
2
votes
1 answer

Can a 4GE SSM accept Twinax connections if the speed is set to 1000 on the switch?

I have a Nexus 5548UP and an ASA 5510 with the 4GE SSM. The 4GE has SFP ports and I would like to use them and conserve my Gigabit SFP transceivers for other uses. The Twinax will insert into the ASA 5510, but I don't get any indication from the…
Alain O'Dea
  • 625
  • 3
  • 12
  • 27
1
vote
1 answer

Why Cisco port is not connected but other side come up

On my Cisco Catalyst 3850 there is a SFP Module which is connected to another device, the port on the Other device (vendor equipment) come up but my interface is still down. The DOM Information show me receive and transmit pegel and if I do a shut…
kockiren
  • 886
  • 2
  • 14
  • 35
1
vote
2 answers

Linux optical 10Gbe networking, how to diagnose performance problems?

I have a small cluster consisting of 3 servers. Each has two 10Gbe SFP+ optical network cards. There are two separate 10Gbe switches. On all servers one NIC is connected to switch 1, second NIC is connected to switch 2 to provide fault…
Mateusz Bartczak
  • 11
  • 2
1
2
3 4 5 6 7