Showing results for. Search instead for. Did you mean:. All Community This category This board. Luis Seyler. VRFs and Vlans. Labels: Labels: Other Networking. Tags: vlans. I have this problem too. All forum topics Previous Topic Next Topic. Accepted Solutions. Seb Rupik. CLOS Topology.
What is Cisco ACI? This site uses Akismet to reduce spam. Learn how your comment data is processed. Table of Contents. GNS3 Lab for above examples is added. Enjoy labbing. There was an unintentional error on the last configuration example which missed sub-interface numbers in configuration. It is corrected now, sorry. Like this: Like Loading Sets of sites that privately communicate together over other private or public networks over the internet are virtual private networks VPNs.
Virtual routing and forwarding or VRF configurations enable multiple VPN environments to simultaneously co-exist in a router on the same physical network or infrastructure. This allows an organization to have segregated network services that reside in the same physical infrastructure invisible to each other—such as wireless, voice VoIP , data, and video. Virtual device contexts VDCs have a broader focus: virtualizing the device itself.
VLANs split ethernet networks into multiple segregated virtual networks to improve security and performance without constraining the physical layout of the network. Avi Vantage application delivery platform has a feature which enables the assignment of Avi service engine data interfaces to multiple VRFs. The Avi platform helps each VRF network achieve the target level of performance and increases network security.
VRF Virtual Routing and Forwarding is a technology which allows to have more than one routing table on a single router. With help of VRF technology — Network administrator can create multiple routing table under one router. VRF manage multiple routing table in the same time and keep them isolated and running them independently.
The other advantage of VFR is — Subnet overlapping , where service provider can use same IP address range for multiple customer without conflicting with each other.
For example — you can use that same IP address assigned to two different interfaces on a router at the same time. Generally in basic small networks routing is configured at layer3 devices to destine packet to its destination location on onother network.
But VRF is introduced for large to very large network were logically routing tables are created in layer3 devices as per requirement and hight end layer3 switch has feasibility to create more than 4 VRF table in layer3 devices as per our requirements.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 5 years, 5 months ago. Active 1 year, 2 months ago. Viewed 33k times. Subnets Imagine I have two switches and one router in my network. VRFs Imagine I have multiple switches and one router. Improve this question. Michael Michael 1 1 gold badge 2 2 silver badges 6 6 bronze badges.
Add a comment. Active Oldest Votes. If you are running a multi-tenant datacenter scenario each customer may have their own possibly overlapping set of subnets and want different routing and filtering rules. If you are doing DDOS scrubbing you may want to separate unscrubbed traffic from scrubbed traffic. If you have multiple classes of customer you may want to apply different routing rules to their traffic.
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