Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

Performance issue of WS-X4013 on 4006

Dear All,

I have created many vlan on 4006 switch with sup WS-X4013. I found that the cpu usage is high (esp. on STP process).

What is the maximum number of vlan and stp support on WS-X4013 with 4006?

How can I solve this high cpu problem.

Thanks.

3 REPLIES
Silver

Re: Performance issue of WS-X4013 on 4006

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.

HTH

Leon

* Please rate useful posts.

Cisco Employee

Re: Performance issue of WS-X4013 on 4006

What you need consider is the number of STP logical ports. The release notes has the maximum supported logical ports details.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/relnotes/ol_4502.htm#wp78893

New Member

Re: Performance issue of WS-X4013 on 4006

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.

266
Views
0
Helpful
3
Replies
CreatePlease login to create content