About tkruggel11

tkruggel11 · 02-02-2015

I'm pulling my hair out on a simple issue, and I could use some advice. Thank you, in advance.I've got a core 4510 switch with 2 12-port 10GE SFP+ modules and my closet has a stack of 3 3850-48p with 2 4-port C3850-NM-2-10G modules.I'm using 4 SFP...

tkruggel11 · 12-13-2019

Out of the 20 things that could prevent tftp file transfers from working, this was number 19. Thanks for the post.

tkruggel11 · 02-04-2015

This is great advice and it took a while, but i eventually came back to it. In the process, I discovered that I've got on bad SFP so support replaced it. But that wasn't the problem. The patch cable was crossed from the factory. I disassembled th...

tkruggel11 · 02-02-2015

Yes it is the correct sup, and yes they are Cisco optics. SFP-10Gb-SR to be exact. I don't have any other 10Gb etherchannels in use, but i do have several 1Gb channels configured. I have four other individual 10Gb links, but i'm using 10Gb-LR and 1...

tkruggel11 · 02-02-2015

I've removed the interfaces from the etherchannel and tried cross looping. On the 4510 I get no indication from the LEDs. On the 3850 I get immediate indication on the LEDs.One might conclude, Cisco support included, that the SFPs on the 4510 side ...

Member Since	‎02-02-2015 06:00 AM
Date Last Visited	‎06-10-2024 01:59 AM
Posts	5

User Statistics

User Activity

10G etherchannel between 4510 and 3850 - NO Link

Re: I had a same scenario just an

This is great advice and it

Yes it is the correct sup,

I've removed the interfaces