Exam 300-550 topic 1 question 51 discussion

B. It provides separation on the management and data planes. Out-of-Band Management Interface Out-of-band refers to an interface that allows only management protocol traffic to be forwarded or processed. An out-of-band management interface is defined by the network operator to specifically receive network management traffic. The advantage is that forwarding (or customer) traffic cannot interfere with the management of the router, which significantly reduces the possibility of denial-of-service attacks. REf:https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-1/security/configuration/guide/syssec_cg41crs_chapter7.html