Cisco does not test third-party optics in its products. You can use them in Cisco products, but if you run into an issue that does not occur with Cisco-branded optics, you must contact the third-party vendor for support. TAC will not troubleshoot iss...

Hi @a1111  I believe the question as to whether Ethernet is serial or parallel first raises the question: "What is 'Ethernet'?" By that I mean, what do 10Mbps, 100Mbps, 1Gbps, 10Gbps, 100Gbps, and 400Gbps "Ethernets" all have in common such that we c...

If you are asking about a specific defect, then it is best to ask your account team why it was terminated to get the answer for that particular bug.  If you are asking a general question about why a bug would be terminated, then there can be a number...

Hi @Giuseppe Larosa  I tried mentally giving the definition author (machine or human) the benefit of the doubt as they said "a message is broken into several parts, called packets". As you mentioned, this is true of ATM's slice-and-dice and even TCP'...

I hit the "Feedback" link at the bottom of the referenced page and asked for someone to review the provided definition of Packet Switching, as it is obviously in error. Perhaps AI generated?