It will list all switches in the stack with number and MAC addresses. Through MAC address, you can refer it physically to the switch (rear) you want to become master of the stack. Now check that switch number from the "show switch" output.
Priority 15 makes the switch master of the stack. You may want to identify the backup by setting the priority to 14.
Take note that if you enable L3 Routing and create VLAN interfaces. The VLAN interfaces MAC Address is pooled from current master switch. If the master switch is replaced, the MAC Address will change for all VLAN interfaces, you have to remember this specially if you have firewall (notably old PIX, old NOKIA/Checkpoint) or servers (notably UNIX and Windows NT4) will not automatically learn the new MAC address. You need to login to those devices and clear arp cache, if not you have to wait 4 hours.
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...