Physical connectivity is implemented between the two Layer 2 switches, and the network connectivity between them must be configured

1. Configure an LACP EtherChannel and number it as 1; configure it between switches SW1 and SVV2 using interfaces Ethernet0/0 and Ethernet0/1 on both sides. The LACP mode must match on both ends

2 Configure the EtherChannel as a trunk link.

3. Configure the trunk link with 802.1 q tags.

4. Configure the native VLAN of the EtherChannel as VLAN 15.