With many VLANs configured PVST+/Per-VLAN RSTP is known for high CPU utilization.
The solution would be to look for an alternative; Multiple Spanning Tree which is capable of load balancing traffic on a single instance per multiple-VLANs instead of maintaining a single instance per-VLAN.
You could try limiting which VLANS are allowed on which ports. We ran into this issue a while back and ended up limiting all of our trunk ports to 1-3 specific vlans each. The greatly reduced our High cpu usage.
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 ...