How do VRFs assist ISPs in providing services to multiple customers?

The correct answer is A. by allowing an ISP to segregate customer routing tables while using the same hardware. VRFs (Virtual Routing and Forwarding instances) allow an ISP to maintain separate routing tables for each customer on the same physical hardware. This ensures customer traffic and routes remain isolated, enabling multiple customers to share the same ISP infrastructure securely…

Layer 3 VPNs

Question

Options

Aby allowing an ISP to segregate customer routing tables while using the same hardware
Bby providing the ability to transmit Layer 3 traffic using AToM
Cby enabling the use of different media types to support connections of varying lengths
Dby using both IP and MPLS to forward in the core

How the community answered

(31 responses)

A
90% (28)
C
6% (2)
D
3% (1)

Explanation

VRFs (Virtual Routing and Forwarding instances) allow an ISP to maintain separate routing tables for each customer on the same physical hardware. This ensures customer traffic and routes remain isolated, enabling multiple customers to share the same ISP infrastructure securely without interference.

Topics

#VRF#customer segregation#routing table isolation#L3VPN

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