Whether the OSPF protocol needs to be configured for WDM devices and methods for configuring the OSPF protocol

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The OSPF protocol is required in the IP over DCC solution used in the DCN communication between WDM devices. The OSPF protocol is a dynamic routing protocol based on link status.

You can enable the OSPF protocol so that the routing information on the gateway NE can be automatically diffused to other NEs.

Other related questions:
Whether the OSPF protocol is supported by WDM devices and functions of the OSPF protocol
The OSPF protocol is required in the IP over DCC solution used in the DCN communication between WDM devices. The OSPF protocol is a dynamic routing protocol based on link status. It divides an AS (Autonomous System) into several areas. Route nodes exchange routing information in an area. The route nodes at the edge of an area make summary and exchange information with the routers in other areas. Each area is identified by different IDs and the area IDs have the same format as the IP addresses. Currently, the OSPF protocol of a WDM device supports only intra-area routes but does not support inter-area routes. Therefore, the gateway NE and non-gateway NEs managed by the protocol must be in the same OSPF area. By default, the line port of a WDM device is enabled with the OSPF protocol but the Ethernet port is not enabled with the OSPF protocol. To form a network through the Ethernet port, you need to modify the OSPF setting of the NE. In addition to the dynamic routing protocol, the NE supports static routes, which are manually configured. Static routes have a higher priority than dynamic routes. When a route conflict occurs, the device selects static routes.

Method used to configure the OSPF protocol for ASON NEs?
In general, it is not allowed to disable the OSPF protocol for an ASON network. In some scenarios, however, disabling the OSPF protocol for ASON NEs can release resources and therefore enable resources to be properly utilized.

How to configure OSPF on S series switches
For OSPF configuration on S series switches, see Common OSPF Operations on S Series Switches. For typical OSPF configuration examples on S series switches, see "Typical Routing Configuration - Typical OSPF Configuration" in S1720&S2700&S3700&S5700&S6700&S7700&S9700 Typical Configuration Examples.

Functions of the OSPF protocol intended for ASON
The control plane of Huawei ASON applies the OSPF-TE, which is an extended protocol for OSPF, and implements the following functions. Creates and maintains control links. Establishes neighbor relationship. Floods and collects the information about the control links on the control plane. Based on the information, the protocol then generates the information about the routes that are required for forwarding messages on the control plane. Floods and collects the information about the TE links on the transport plane. The protocol then generates the information about the network service topologies for service trail computation.

Support for SNMP on WDM devices
Question: Which WDM devices support SNMP? Analysis: None Answer: LH WDM devices support the SNMP protocol since 5.08.04.xx, that is, devices using OSP07. Metro WDM devices support the SNMP protocol since 5.39.xx.xx, that is, devices using OSP06.

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