Internet access for 2 separate groups of users via 2 separate ISP links from a pair of core switches in VSS?
With reference to the attached diagram, let's say I have 2 separate organizations (let's call them Section A and Section B) residing in separate buildings within the same campus. The core switches (6807 with Sup2T) are in a VSS configuration.
My question is, if I want to achieve this:
- Section A users (belonging to a set of VLANs) use only the ISP A link to access the Internet
- Section B users (belonging to another set of VLANs) use only the ISP B link to access the Internet
- The VLAN SVIs all terminate on the core switch
How should I configure the routing so that I can achieve the above, and avoid assymetric routing? Off the top of my head, I was thinking of using VRFs such that Section A users see only Router A (linked to ISP A), and Section B users see only Router B (linked to ISP B), but I was wondering if there is a better way of doing this.
For instance, you have a default route to ISP A, and want subnets x and y to use ISP B. Set up a Route map to match the source IP subnets for x and y and set next-hop address to ISP B. All other traffic will use ISP A.
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Table of Contents
Hardware Additions since IOS-XE 17.2.1
Key Summary Features
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