The common types of trunking are; VLAN trunking, LTR trunking systems, EDACS trunking systems, Motorola trunking tystems.
VLAN
What is the purpose of VLAN trunking
vlan trunking protocols. eg :802.1q ,ISL
VTP (VLAN Trunking Protocol) supports two main trunking protocols: IEEE 802.1Q and Cisco's proprietary ISL (Inter-Switch Link). IEEE 802.1Q is the industry standard for VLAN tagging, while ISL is specific to Cisco devices. VTP uses these protocols to manage and propagate VLAN information across a network of switches.
Trunking
Virtual Trunking Protocol (VTP) is a Cisco proprietary protocol used in switched networks to manage VLAN configurations across multiple switches. It allows switches to share VLAN information, ensuring consistency in VLAN configuration throughout the network. VTP reduces the need for manual VLAN configuration on each switch, thereby simplifying network management and reducing the risk of errors. It operates in different modes, including server, client, and transparent, each with specific roles in VLAN information dissemination.
The frames are assigned to the native VLAN.
One sub-interface per VLANA compatible trunking protocol encapsulation for each sub-interfaceOne IP network or sub-network for each sub-interface
To prevent VLAN hopping attacks, it is essential to implement best practices such as disabling unused switch ports and setting them to an "inactive" state. Additionally, configuring VLAN trunking protocols properly and using port security to limit the number of MAC addresses per port can significantly reduce the risk. Implementing Access Control Lists (ACLs) to restrict traffic between VLANs and ensuring that dynamic trunking protocol (DTP) is disabled on trunk ports further enhances security. Regularly monitoring network traffic for anomalies can also help detect and mitigate potential VLAN hopping attempts.
The answer is 'Trunking'. The definition of trunking is = The aggregation of multiple logical connections on one physical connection between connectivity devices. In the case of VLANS, trunking allows data from multiple VLANS to share interface on a switch. Network + Guide To Networks Review Question Chapter 6 #18
Since VLAN's cannot communicate with other VLAN's directly, I believe you would have to set up a router to do that. I would check out how to set up a bridge between two VLAN's.