2012年5月18日 · Intra Area routes are the "O" routes that you see in the routing table. These routes are routes that are in the same area. Inter-area routes are the "O IA" routes that are learned in different areas. If you have 2 areas, area 0 and 1, the routes that are originated in Area 0 and learned by other routers in Area 0 are intra-area routes.

so if O IA means that the route was learned from a neighbour within the area what does a O by itself mean?

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2011年4月29日 · 它们代表的是外部路由1和外部路由2，它们的区别就在于是否加内部路由（度量花销）。 默认是OE2就是不加内部路由，假设我的网络只有一个出口，那么使用OE1和OE2都一样； A、如果有多个ASBR宣告一条到达同一外部AS的外部路由时候用只需要比较域外部开销，只需考虑外部开销更小就可以了，不需要考虑内部开销。 所以优先选择OE2。 B、单出口 (ASBR),计不计算域内开销已经没有意义,所以默认OE2。 C、如果我们只有一个出口那么OE2就能帮我们 …

2023年8月27日 · Intra-Area路由，通常简称为O型路由，是指在同一个区域内的路由。 当数据包在同一区域内传输时，OSPF将选择Intra-Area路由，以确保数据包能够以 最短路径 到达目的地。 Intra-Area路径选择的依据是链路的成本，该成本通常基于链路带宽。 带宽较高的链路具有较低的成本，因此数据包会优先选择带宽更高的路径。 这种选择机制确保了数据包能够在区域内以高效的方式传输，最大程度地利用网络资源。 随着网络规模的扩大，一个OSPF区域可能不足以覆盖 …

2012年11月27日 · When a route crosses an OSPF Area Border Router (ABR), the route is known as an OSPF Inter-Area route. These routes are flagged as O IA in the “show ip route” command output. Both Intra and Inter-Area routes are also called OSPF Internal routes, as they are generated by OSPF itself, when an interface is covered with the OSPF network command.

2024年5月13日 · GPT‑4o (“o” for “omni”) is a step towards much more natural human-computer interaction—it accepts as input any combination of text, audio, image, and video and generates any combination of text, audio, and image outputs.

2016年3月20日 · 其中，ospf o ia（ospf，o：inter-area）是其一个重要的特性，本文将介绍这一特性的原理和应用。ospf o ia可以被理解为ospf的一个区域间路由扩展，它使得不同区域的路由器之间能够交换彼此的路由信息。在ospf协议中，网络被划分为不同的区域

2025年1月2日 · In written use by Hellenistic Jews in the Septuagint before the Christian era, when it became standard to substitute Κύριος (Kúrios, “Lord”). It is unclear whether the Greek term initially represented Iaō or Iahō; the former persisted …

2012年5月26日 · Intra-area routes are indicated by the "O". As the route was originated in Area 1, and learned on C2's Area 1 interface (next hop is 10.180.21.22, it is an intra-area ("O") route. Inter-area routes are routes that originate in one area and learned in another. Those are the "IA O" routes. Hopefully I've helped some? Best, -Ed. Oops!