Re: [c-nsp] STP over Port-channel issue

2024-05-06 Thread james list via cisco-nsp
Thanks good point on LACP Fast, we'll test it. RSTP should be in any case slower than 3 seconds with LACP FAST. Cheers James Il giorno lun 6 mag 2024 alle ore 15:22 Saku Ytti ha scritto: > On Mon, 6 May 2024 at 15:53, james list via cisco-nsp > wrote: > > > The question: since the PO

Re: [c-nsp] STP over Port-channel issue

2024-05-06 Thread Saku Ytti via cisco-nsp
On Mon, 6 May 2024 at 15:53, james list via cisco-nsp wrote: > The question: since the PO remains up, why we see this behaviour ? > are BDPU sent just over one link (ie the higher interfac e) ? Correct. > how can we solve this issue keeping this scenario ? > moving to RSTP could solve ? No.

[c-nsp] STP over Port-channel issue

2024-05-06 Thread james list via cisco-nsp
dear experts a customer of mine has a legacy environment with 4 x Cisco 9500 (IOS XE 17.09.03) connected in a square mode with 2 links (2 per each connection) and each couple of links is considered a single virtual port (port-channel). Loops are managed with PVSTP. Two x C9500 are in DC1 while the