根据转发状态的变化情况，构建出组播数据的二层转发表。
And a forwarding table for multicast traffic should be built according to the changes of the forwarding state.
目前，路由模块还没有实现，转发表的维护通过命令行实现。
At present, the routing module has not yet realized, Forward table can be maintained by command.
本课题会实现添加、删除转发表项，以及查找和显示转发表项的功能。
This article will be achieved to add, delete forwarding entries, and search and display functions of forwarding entries.
针对这个不足提出一种改进的基于地址转发表的物理网络拓扑发现算法。
Aiming at this insufficiency, we propose a new physical Network topology discovery algorithm based on address forwarding table.
突出特点是转发表不需排序、查找速率高、表项更新快、查表连续性好。
Its outstanding advantages include that no entry sorting is needed, lookup speed is high, entry updating completes fast with pipelining, and lookup continuity is enhanced.
路由表的实现是路由器软件的核心，而硬件转发表的维护则是硬件高速转发的关键。
An implementation of routing table is the core of a router's software, and maintenance of hardware forwarding table is the key to hardware high-speed forwarding.
算法的主要特点是在交换机地址转发表不完整的情况下，有效地实现正确的拓扑推理。
An important feature of the algorithm is that it can infer the network physical topology correctly on the lack of the integrality of the forwarding database of switches.
控制平面与数据平面的转发表同步问题是影响分布式路由器可靠性与可扩展性的重要因素。
The synchronization of forwarding table between control plane and forwarding plane is an important factor that influences the data forwarding reliability and the scalability.
针对分布式路由器，设计了组播转发表优化分布式存储及组播报文两级转发方案提高性能。
Aiming at distributed router, we design the optimized distributed storage of multicast forwarding table, and two level forwarding project for multicast datagram.
进而设计了转发表的格式、转发表的更新机制以及从转发到主控的数据驱动报文实现形式。
Especially, the designs of forwarding table, forwarding table update and transferring data-driven message from forwarding engine to main controller are given.
FC捆绑口可以作为转发表项的出接口，在有选中成员口的情况下，可以接收和发送报文。
FC bundled port as the output interface of forwarding items, if there are members of the FC bundled port selected, can receive and send packets.
在分析原有基于MAC地址转发表算法的基础上，提出一种新的基于生成树协议的拓扑发现算法。
Based on the analysis of the existing algorithm of MAC address forwarding table, it presents a kind of new physical topology discovery algorithm depended on spanning tree protocol.
不需要地址转发表完整而解决了不同子网的结点之间连接关系的判定问题，使得结果更接近实际。
The algorithm gives a link relationship of two nodes which belong to different subnets without complete AFT, and the result is more similar to the fact.
第四章还介绍了内部网用户地址管理的主要问题，并设计了基于SNMP协议和交换机地址转发表的用户地址管理方法。
The chapter then analyzed the main problem in of address management in intranet and gives out a method based on SNMP and dot1dTpFdbTable in switches to solve that problem.
转发模块收到报文以后会根据报文的目的地址查询转发表得到报文的出接口，并根据报文的出接口对报文进行上送或转发。
After receiving packets, forward module will check out the interface of packets based on destination address, and according to the interface to send or forward packets.
比如说，新浪微博允许用户发表视频和图片，评论他人的更新，很容易就可以在转发朋友的信息时添加评论，这都跟t witter不同。
For example, unlike Twitter, Sina Weibo allows users to post videos and photos, comment on other people's updates, and easily add comments when re-posting a friend's message.
@craigsilverman透明地说，我们确实发表了NPR新闻的内容，但是我决定删除掉它们，因为在几个小时以后这些内容还在不断的被转发。
craigsilverman in all transparency, we did tweet NPR’s news, but I chose to delete it because it kept getting retweeted hours later.
新浪微博的活力主要体现在用户转发别人帖子或发表评论的习惯上。
The vitality especially of Sina Weibo is driven by users' habit to pass on others' posts and add their own views.
该字典还报告称，在康维发表评论之后，“事实”(fact)一词的搜索量骤升，然后它的定义被纷纷转发到了Twitter上，显然是作为一种提醒。
The dictionary also reported that searches for the word "fact" spiked after Ms. Conway's comments, and then, as an apparent reminder, tweeted the dictionary's definition.
该字典还报告称，在康维发表评论之后，“事实”(fact)一词的搜索量骤升，然后它的定义被纷纷转发到了Twitter上，显然是作为一种提醒。
The dictionary also reported that searches for the word "fact" spiked after Ms. Conway's comments, and then, as an apparent reminder, tweeted the dictionary's definition.
应用推荐