Redundant power supplies, hot-swappable modules and Spanning Tree Protocol (STP) support are all mandatory elements of a backbone switch, as is support for emerging switch technologies, including virtual LANs.
英
美
- 具有冗余能力的電源、可熱插拔的模塊和對生成樹(shù)協(xié)議（STP）的支持都是基干交換機必備的成分，實(shí)際上它支持新出現的交換技術(shù)，如虛擬局域網(wǎng)。
