i have 2 switches in a fabric with 2 isl's in a truck group. i have added new isl port to the switches but they have joined a new truck group. i would like to have all three ports in the same truck group.
not sure how to do this.
A new ISL connection between the same pair of switches should automatically add to the same trunk as long as all the requirments are met.
The most common issue is that you must have all the ports in the trunk in the same port group. A port group is a group of eight ports based on the user port number ie 0-7 or 8-15. This has to be the same for the switches on both sides of the trunk. If either of them have one of the ISL connections in a seperate port group it will create a new seperate trunk.
The main criteria to maeet for Trunkable ISLS are