Why are neighbors not displayed after RIP is configured

1

This is due to the IP Operating System (IPOS) implementation. Verify that the Routing Information Protocol (RIP) imported the route, and view the RIP neighbors again.

Other related questions:
Why the Configuration Is Displayed After the version 1 Command Is Used in the RIP View
Q: The default version of RIP is version 1. Why is there configuration information displayed after version 1 is configured in the rip view. A: The default version of RIP is version 1. By default, version 1 is not configured. In this case, the protocol stack can receive version 1 and version 2 packets but can send only version 1 packets. If version 1 is configured in the rip view, the protocol stack can receive and send only version 1 packets. The preceding describes differences of configured version 1 and default version 1. After version 1 is configured, the configuration information is displayed.

How to configure RIP on S series switches
For details on how to configure basic RIP functions on S series switches, click Example for Configuring Basic RIP Functions

Why can one switch view neighbor information but cannot the other switch view neighbor information after the two S series switches establish RIP neighbor relationship
Q: Why can one switch view neighbor information but cannot the other switch view neighbor information after the two switches establish RIP neighbor relationship? A: A switch enabled with RIP does not send the route of the interface directly connected to the neighbor. If both ends only have direct routes, only one switch can discover the neighbor. For example, before device A and device B establish RIP neighbor relationship, if device A sends the interface route to device B, device B will discover device A. Device B then does not advertise its interface route to device A. Consequently, device A cannot discover the neighbor device B. RIP does not stipulate that whether a switch needs to send the route of the interface directly connected to the neighbor to the neighbor. This issue occurs when Huawei's communications products establish RIP neighbor relationship.

Why can IS-IS neighbors not be established
This has the following possible causes: -Point-to-multipoint (P2MP) interfaces do not support the Intermediate System to Intermediate System routing protocol (IS-IS). -The MTU of the Ethernet Interface is smaller than the max-size of IS-IS LSP packets plus 3. -The MTU of the point-to-point (P2P) interface is less than the length of the IS-IS LSP packet. -The two ends have different parameter configurations.

RIP configuration method on an AR router
The Routing Information Protocol (RIP) is a simple Interior Gateway Protocol (IGP) and based on a distance vector algorithm. RIP measures the distance to the destination network based on the hop count. For details about the AR router RIP configuration method, see the URL: Example for Configuring RIP.

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