HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 75
Configuring Type-3 LSA filtering, Configuring an OSPF cost for an interface
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Step Command 2. Enter OSPF view. ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * filter-policy { acl-number [ gateway 3. Configure OSPF to ip-prefix-name ] | gateway ip-prefix-name | filter routes calculated ip-prefix ip-prefix-name [ gateway using received LSAs. ip-prefix-name ] | route-policy route-policy-name } import Remarks N/A By default, OSPF accepts all routes calculated using received LSAs. Configuring Type-3 LSA filtering Perform this task to filter Type-3 LSAs advertised to an area on an ABR. To configure Type-3 LSA filtering: Step 1. Enter system view. 2. Enter OSPF view. 3. Enter area view. 4. Configure Type-3 LSA filtering. Command system-view ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * area area-id filter { acl-number | ip-prefix ip-prefix-name } { import | export } Remarks N/A N/A N/A By default, the ABR does not filter Type-3 LSAs. Configuring an OSPF cost for an interface Configure an OSPF cost for an interface by using either of the following methods: • Configure the cost value in interface view. • Configure a bandwidth reference value for the interface. OSPF computes the cost with this formula: Interface OSPF cost = Bandwidth reference value (100 Mbps) / Interface bandwidth (Mbps). If the calculated cost is greater than 65535, the value of 65535 is used. If the calculated cost is less than 1, the value of 1 is used. If no cost or bandwidth reference value is configured for an interface, OSPF computes the interface cost based on the interface bandwidth and default bandwidth reference value. To configure an OSPF cost for an interface: Step 1. Enter system view. 2. Enter interface view. Command system-view interface interface-type interface-number 3. Configure an OSPF cost for the interface. ospf cost value Remarks N/A N/A By default, the OSPF cost is calculated according to the interface bandwidth. For a loopback interface, the OSPF cost is 0 by default. To configure a bandwidth reference value: 64