It really depends on the supervisor and how vlans , how many trunks , how many of the vlans are allowed across each trunk etc.... there is a formula that you can use to figure it out but off the top of my head I don't remember it . For a sup1a we had about 70 vlans trunked to access layer switches and we had all vlans allowed to all switches , we were bumping against the upper limit of the Sup1 card capabilities and just recently we manually pruned off unused subnets of the access layer boxes just to give you an idea .
Just found the info on how to determine how many vlans will be supported , it's really a spanning tree issue because cisco uses a per vlan spanning tree configuration .
The sum of all logical ports equals the number of trunks on the switch times the number of active VLANs on the trunks, plus the number of nontrunking ports on the
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 customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...