Can anyone please suggest me any looping trouble shooting steps.( Total LAN will be down – One PC could not access other PC in other switch( Not periodically – Twice or thrice in a week) .There are third party switches as well non Cisco IP phone in the setup)
Spanning tree (RSTP ) , BPDU and root guard enabled.
2) No indication of BPDUs in the show logs.
3) There is no much spanning tree topology changes.
4) Also the LAN QoS is enabled and configured for the Non Cisco IP phones.
But if I restart all of my Cisco ( Only Cisco) switches LAN Network will come up and function normally.
Please suggest me any steps to come out apart from enabling the spanning tree debugs.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...