1.
The advantages of Layer 2 switches lie in speed and cost.
第二层交换机的优点在于速度和成本。
2.
These switches, however, will cost more than Layer 2 switches.
但这些交换机要比第2层交换机贵。
3.
Second-generation Layer 3 switches added advanced silicon technology to boost overall performance dramatically.
第二代第3层交换机增加了先进的硅技术，大大地提高了整体性能。
4.
This is because they support Layer 2 switching and Layer 3 routing.
这是因为它们支持第二层交换和第三层路由。
5.
Research on Layer2 Management Technique for Multicast Traffic in Layer3 Switch;
三层交换机组播流二层管理技术研究
6.
The Implementation of Layer 2 Ethernet Switch Driver and Protocol;
以太网二层交换机驱动和协议的实现
7.
Research on the Implementation Technology of IGMP Snooping for the Layer 2 Switch;
二层交换机上IGMP Snooping协议的实现研究
8.
The Design and Implementation of Layer 3 Switch s Ethernet Driver;
第三层交换机以太网驱动的设计与实现
9.
Design and Application of Embedded Layer 2 Ethernet Switch
嵌入式二层以太网交换机的开发与应用
10.
MPLS-enabled devices--called MPLS nodes or Label Switch Routers (LSR) -- process labels at Layer 2.
MPLS允许的设备——称作MPLS节点或标签交换路由器（LSR），在第二层处理标签。
11.
Workgroup and departmental LANs are constructed as flat networks using Layer 2 switching.
工作组和部门局域网被建成一种利用第二层交换的简单网。
12.
These new Layer 3 switches support Gigabit Ethernet speeds and provide wire-speed routing.
这些新型的第3层交换机支持千兆以太网的速度和提供高速路由。
13.
By speeding IP packet forwarding, conventional Layer 3 and Layer 4 switches have greatly improved network performance.
通过加快IP包的转发，常规的第3层和第4层交换机大大地改善了网络性能。
14.
VLAN Construction for Campus Network Based upon Layer3 Switching Technology;
基于第三层交换技术的校园网VLAN建设
15.
Application of the second and third level exchange technology in the campus LAN;
校园局域网中二、三层交换技术的应用
16.
A new third generation of Layer 3 switches is emerging, offering dramatic price/performance advantages and advanced network policy functions.
新的第三代第3层交换机正在出现，提供引人注目的性能/价格优势和先进的网络政策功能。
17.
Past solutions used general-purpose routers or first-or second-generation Layer 3 switches with integrated switching and routing capabilities.
过去的解决方案采用通用路由器或者将交换与路由功能结合起来的第一代或第2代第3层交换机。
18.
Routers and Layer 3 switches can read IP and other Layer 3 protocols.
路由器和第三层交换器可以读出IP和其他的第三层协议。