Configure the core switch as the management subnet gateway of the aggregation and access switches. This solution uses the following configuration as an example: The PEN central switches connect to one access switch and one RU through the passive aggregation module, as shown in Table 7-9. However, two existing 4500-X Core switches (in VSS) have no ports available to connect these stacks. I have another set of 4500-X which I want to connect to the Core as an aggregation switches (Layer 2 only) and use them to. For maximum throughput in gateway-to-aggregation switch connections, it is recommended to use SFP+. You are. I'd like to know, is it possible to uplink a fiber link from the WS-C2960G-48TC-L to each of the core switches. We're planning to aggregate both links to. As the aggregation point of access switches, the aggregation switch is required with the ability to process the access layer information and submits it to the upstream chain of the core layer. Therefore, it usually adopts the.