Setup an access list on the router allowing them to communicate in the first place. If that is the 4500 set it up there.

Say hello to Quality of Service, Link Aggregation, Access Control Lists, Spanning Tree Protocol, and IGMP Snooping.

Forgive the naive question, but I do not have have much knowledge with Cisco. I've only worked with HP Procurves in past. If I have the following config. Switch 1 - Port 1: switchport access vlan 50 ...

Cisco Access Lists allow businesses to increase system security by defining exactly which devices are allowed to access network resources. Each Access List comprises a series of entries, with each ...