Stackwise

Stack master election criteria The criteria is in order, if the first criteria does not meet the second criteria will be the tie breaker. 1. The switch that is configured with the highest stack priority. 2. The switch that is not using the default configuration. 3. The switch that is using a higher priority IOS, … Continue reading Stackwise →

IOS installation for Catalyst 3750 switch

Precaution 1. When adding an additional switch to the current switch stack always check the new switch IOS version first. 2. If the new switch is added to the current stack and if the IOS is mismatched the stack knows and the master of the stack will attempt to synchronize its own IOS with the … Continue reading IOS installation for Catalyst 3750 switch →

Stackwise:Stack cabling

One stack cable connecting two switches. SW-1#sh switch stack-ring speed Stack Ring Speed : 16G Stack Ring Configuration: Half Stack Ring Protocol : StackWise Two stack cables connecting two switches SW-1#sh switch stack-ring speed Stack Ring Speed : 32G Stack Ring Configuration: Full Stack Ring Protocol : StackWise Each 3750 switch's back has two stack … Continue reading Stackwise:Stack cabling →

Attention to detail

Catalyst 3750 series is the only series that can do switch stacking, Cisco call this Stackwise technology, the later switch also includes Energywise technology which is to optimize the energy utilization for each switch in a switch stack. A switch stack is described as multiple switches stacked together to form a single unit, this is … Continue reading Attention to detail →

Stackwise

Switch#sh switch stack-ports Switch # Port 1 Port 2 -------- ------ ------ 1 Ok Down 2 Ok Down To show stack ports status, currently only stack 1 is connected to each other. There are Stack 1 and Stack 2 for one WS-3750G-24TS Switch#sh switch Switch/Stack Mac Address : 0817.358d.ea00 H/W Current Switch# Role Mac Address … Continue reading Stackwise →