When used as an in-line service, the Content Steering service has which two characteristics? (Choose two.)

The correct answer is A. Directs subscriber traffic into the ECS subsystem B. Uses ACLs to control the flow of packets into and out of the system. A is correct because when deployed in-line, the Content Steering service acts as a traffic director, intercepting subscriber flows and steering them into the ECS (Enhanced Charging System) subsystem for further processing - this is its core in-line function. B is correct because

Cisco Mobile Packet Core Architecture

Question

Options

ADirects subscriber traffic into the ECS subsystem
BUses ACLs to control the flow of packets into and out of the system
CExamines uplink and downlink traffic
DIs responsible for analyzing the individual protocol fields during inspection
EUses multiple servers
FCan inspect and maintain a state across various protocols at all layers of the OSI stack

How the community answered

(36 responses)

A
89% (32)
C
6% (2)
E
3% (1)
F
3% (1)

Explanation

A is correct because when deployed in-line, the Content Steering service acts as a traffic director, intercepting subscriber flows and steering them into the ECS (Enhanced Charging System) subsystem for further processing - this is its core in-line function.

B is correct because the in-line Content Steering service uses Access Control Lists (ACLs) as its mechanism to govern which packets enter and exit the system, giving it policy-based control over traffic flow.

C is wrong because examining both uplink and downlink traffic describes a monitoring or inspection function (more characteristic of Deep Packet Inspection engines), not the steering role.

D is wrong because analyzing individual protocol fields is a DPI (Deep Packet Inspection) function - that responsibility belongs to a separate inspection component, not the Content Steering service.

E is wrong because using multiple servers describes a deployment/redundancy architecture, not a functional characteristic of the in-line service mode itself.

F is wrong because maintaining stateful inspection across all OSI layers describes a stateful firewall or advanced security appliance - far beyond the scope of Content Steering.

Memory tip: Think of Content Steering in-line as a traffic cop at a checkpoint - it directs cars (A) to the right lane (ECS) and uses a rulebook (ACLs/B) to decide who gets through. It doesn't search the car (DPI/D,F) or watch both directions of traffic (C).

Topics

#Content Steering#In-line Services#ACLs#ECS Integration

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