You can use a qos policy to achieve this on a router:
class-map match-any NoAccess
match source-address mac 0011.2233.4455
match source-address mac 0123.4567.89AB
service-policy input DropBadPC
In case the switch allows for it, you could also setup a MAC access-list on a switch to block unwanted traffic. You also could setup private VLANs on the switch, which would allow you to define which ports can communicate with which other ports finally blocking router access for some PCs.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...