Having a real hard time making a decision here wanted to talk to get some opinions, insight, and experience from fellow infrastructure warriors. Thanks in advance for any stories and advice.
I'm currently working on a DC block and Campus LAN refresh with new cores and some access layer refresh. This includes a new C9606 chassis, N9K-9336c-fx, and C9410R for access density.
We are moving from 10G backbone MMF OM3 to 40G backbone with SMF. We have decided to go SMF for the future and not run any OM5 MMF.
The SMF optics for QSFP-40G-LR4-S 40GBASE-LR4 are 4500$ an optic (after discounts) and we need upwards of 400k of them. Also some QSA module optics to help with 10G to 40G migration. Currently we use vendor optics with full support and I don't have to worry about. period end of story. We normally buy all cisco optics for our current MMF but the cost wasn't that high to second guess it.
Now I'm flirting with the idea of using 3rd-party optics but I've never used them in any environment. I could spend 50K for the same amount of optics and even have full backups saving 350K to spend elsewhere on upgrading the network.
For example the same optic on fs.com is 279.00$ it's insane the price difference.
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