We currently have three 4507s where A and C are both uplinked to B. If we add a 2960S and uplink to A and C will PVST prevent any problems? The concern is (however unlikely) that if a connection from ...

Is there a way to interrogate a SFP in a Cisco switch (2950, 3750, etc) in order to glean info about fiber quality? Noise, signal loss.. my company is too cheap to buy a real fiber tester.

Cisco is boosting network density support for its data center switch and router portfolio as it works to deliver the network infrastructure its customers need for cloud architecture, AI workloads and ...

Cisco warned customers today of four critical remote code execution vulnerabilities with public exploit code affecting multiple Small Business Series Switches. All four security flaws received almost ...