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I just tried to establish a fiber connection between a c4503 and a c2960x using glc-lh-sm modules on both sides, but with no success.Link comes up on the c2960x but not on the c4503.I tried "speed nonegotiate" on both sides: link comes up on both sid...
Mixing tx and rx was the first I tried As changing patch fibers and fiber modules > When you say it's not coming up - is it disabling it or just staying notconnect?The 2960x logs an int-up event. The 4503 reports nothing. Just like there's nothing...
Thank you for your reply, but indeed the 2960x is capable of using 1G SFPs. SFP+ ports can be used both with 1G SFPs and 10G SFP+ modules.1G connection over single mode fiber with GLC-LH-SM works between two 2960x or a 2960x and an older 2960 or the ...
