本地路由器

该系统能够使局域网接入端E1链路拥有冗余度为1的热备份链路，并具备E1链路接入端和本地路由器之间线路、设备等故障的自动检测，自动定位，自动处理。

The system can make El link of LAN access point have a redundant hot-backup link , which has the ability of links and devices 's malfunction auto detected 、 oriented 、 handled between access point of El link and local router .

本地路由器对照自己计算期待杂凑函数的数值来检查回覆。

The local router checks the response against its own calculation of the expected hash value .

参加者想要加入到多点传送的会话，发送一个请求去加入会话，到他们本地的MBONE路由器。

Participants who wish to join a multicast session send a request to join the session to their local MBONE router .

如果查找路由表显示包的目的地不在本地子网，路由器就利用下一跳路由器的MAC地址把包转发给下一跳路由器。

If the route table lookup shows that the packet is destined for a non-local subnet , the router forwards the packet to the next-hop router using the next-hop router 's MAC address .

对于本地网络中可以通过本地路由器或网桥访问的主机，参见清单23。

For hosts in the local network that might be accessible through a local router or bridge , see Listing 23 .