DCBX Protocol – Cisco Describing Data Center Ethernet Enhancements

DCBX Protocol The PFC and the ETS provide the means to divide, mark, and control the traffic and the bandwidth used, but there is still the need for these parameters and capabilities to be exchanged and negotiated between the devices in the converged infrastructure. The devices need to support the same standards. They need to […]

Fibre Channel Physical Addressing – Cisco Fibre Channel Protocol Fundamentals

Fibre Channel Physical Addressing Two types of physical addresses are used in the Fibre Channel Protocol. The World Wide Names (WWNs), also known as World Wide Identifiers (WWIDs), are the physical addresses used in FCP communication. The WWNs are similar in concept to the Media Access Control (MAC) addresses in the Ethernet communication. WWNs have […]