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HTTP Response Status Codes (Full List)

HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes: 1, Informational responses (100–199) 2, Successful responses (200–299) 3, Redirects (300–399) 4, Client errors (400–499) 5, Server errors (500–599) The below status codes are defined by section 10 of RFC 2616. You can find an updated specification Read More

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Rapid Spanning Tree Protocol (RSTP) vs Spanning Tree Protocol (STP)

RSTP needs backwards compatibility with STP switches. Thus Discarding state merges Disabled, Blocking, Listening into one. Ideally if running a complete RSTP topology then discarding becomes practically unneeded due to the explanation below. In STP BPDU will only be sent from root bridge > down, therefore non-root bridges would only forward on BPDUs that are Read More