HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 82
Configuring stub routers, Configuring OSPF authentication
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Step Command 3. Disable interfaces from receiving and sending OSPF packets. silent-interface { interface-type interface-number | all } Remarks By default, an OSPF interface can receive and send OSPF packets. The silent-interface command disables only the interfaces associated with the current process rather than other processes. Multiple OSPF processes can disable the same interface from receiving and sending OSPF packets. Configuring stub routers A stub router is used for traffic control. It reports its status as a stub router to neighboring OSPF routers. The neighboring routers do not use the stub router to forward data although they have a route to it. Router LSAs from the stub router might contain different link type values. A value of 3 means a link to a stub network, and the cost of the link will not be changed. A value of 1, 2 or 4 means a point-to-point link, a link to a transit network, or a virtual link. On such links, a maximum cost value of 65535 is used. Neighbors do not send packets to the stub router as long as they have a route with a smaller cost. To configure a router as a stub router: Step 1. Enter system view. 2. Enter OSPF view. Command system-view ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * 3. Configure the router as a stub router. stub-router Remarks N/A N/A By default, the router is not configured as a stub router. A stub router has no associations with a stub area. Configuring OSPF authentication Configure OSPF packet authentication to ensure the packet exchange security. After authentication is configured, OSPF only receives packets that pass authentication. Failed packets cannot establish neighboring relationships. You must configure the same area authentication mode on all the routers in an area. In addition, the authentication mode and password for all interfaces attached to the same area must be identical. To configure OSPF authentication: Step 1. Enter system view. 2. Enter OSPF view. Command system-view ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * Remarks N/A N/A 71