...的启动方式：当最低4位为0-0-0-0，网件路由器不装载系统镜像，而是进入监控状态 (ROM monitor mode)或维护状态(Maintenance mode)，需要手工引导，当最低4位为0-0-0-1，网件路由器装载从ROMs里找到的系统镜像。
基于6个网页-相关网页
路由器可以创建或维护一个包含可用路由及其状态的路由表，同时根据这些信息，利用距离和成本算法为数据包选择最佳路由。
A router may create or maintain a table of the available routes and their conditions and use this information along with distance and cost algorithms to determine the best route for a given packet.
通常，它通过保留对单个线程有效的一级缓存实例，维护它负责的映射实体类实例的可识别性或状态，从而做到这一点。
Generally, it does this by maintaining awareness or state of the mapped entity class instances it is responsible for by keeping a first-level cache of instances, valid for a single thread.
其他信息，例如优先级、状态，或风险也需要维护。
Other information such as priority, status, or risk, need to be maintained as well.
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